From 5022939765ae21987d8b65487912943e631fa965 Mon Sep 17 00:00:00 2001
From: pyjavo <javierdazacomas@gmail.com>
Date: Mon, 20 May 2024 11:21:45 -0500
Subject: [PATCH 1/8] Update docs with installation of jupyter lab

---
 docs/developer.md | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/docs/developer.md b/docs/developer.md
index c03238311..5a2a2728e 100644
--- a/docs/developer.md
+++ b/docs/developer.md
@@ -59,6 +59,12 @@ pip install -e .[dev]
 pre-commit install
 ```
 
+**Note**:
+- If you need to run the notebooks and you are not using VSCode or Anaconda, then you need to install [jupyter lab](https://jupyterlab.readthedocs.io/en/stable/getting_started/installation.html)
+```
+pip install jupyterlab
+```
+
 ## Style
 
 - Follow [Google Python Style Guide](https://google.github.io/styleguide/pyguide.html) and existing code.

From 52bb9fefbf9546c6932ff1678e8a9b07c2f66ba2 Mon Sep 17 00:00:00 2001
From: Joaquin Matres <4514346+joamatab@users.noreply.github.com>
Date: Wed, 29 May 2024 09:22:19 -0700
Subject: [PATCH 2/8] better serialization

---
 gdsfactory/get_netlist.py       | 97 +++++++++++++++++----------------
 gdsfactory/routing/get_route.py |  7 ++-
 gdsfactory/serialization.py     |  2 +-
 3 files changed, 57 insertions(+), 49 deletions(-)

diff --git a/gdsfactory/get_netlist.py b/gdsfactory/get_netlist.py
index 85cc48dd2..d393267ff 100644
--- a/gdsfactory/get_netlist.py
+++ b/gdsfactory/get_netlist.py
@@ -197,12 +197,11 @@ def get_netlist(
 
         # Prefer name from settings over c.name
         if c.settings:
-            settings = dict(c.settings)
+            settings = c.settings.model_dump(exclude_none=True)
 
             if merge_info:
-                settings.update(
-                    {k: v for k, v in dict(c.info).items() if k in settings}
-                )
+                info = c.info.model_dump(exclude_none=True)
+                settings.update({k: v for k, v in info.items() if k in settings})
 
             settings = clean_value_json(settings)
             instance.update(
@@ -598,9 +597,11 @@ def get_netlist_recursive(
                 inst_name = get_instance_name(component, ref)
                 netlist_dict = {"component": f"{rcell.name}{component_suffix}"}
                 if rcell.settings:
-                    netlist_dict.update(settings=rcell.settings)
+                    netlist_dict.update(
+                        settings=rcell.settings.model_dump(exclude_none=True)
+                    )
                 if rcell.info:
-                    netlist_dict.update(info=rcell.info)
+                    netlist_dict.update(info=rcell.info.model_dump(exclude_none=True))
                 netlist["instances"][inst_name] = netlist_dict
 
     return all_netlists
@@ -638,43 +639,47 @@ def _demo_mzi_lattice() -> None:
 
 if __name__ == "__main__":
     import gdsfactory as gf
-    from gdsfactory.decorators import flatten_offgrid_references
-
-    rotation_value = 35
-    cname = "test_get_netlist_transformed"
-    c = gf.Component(cname)
-    i1 = c.add_ref(gf.components.straight(), "i1")
-    i2 = c.add_ref(gf.components.straight(), "i2")
-    i1.rotate(rotation_value)
-    i2.connect("o2", i1.ports["o1"])
-
-    # flatten the oddly rotated refs
-    c = flatten_offgrid_references(c)
-    print(c.get_dependencies())
-    c.show()
-
-    # perform the initial sanity checks on the netlist
-    netlist = c.get_netlist()
-    connections = netlist["connections"]
-    assert len(connections) == 1, len(connections)
-    cpairs = list(connections.items())
-    extracted_port_pair = set(cpairs[0])
-    expected_port_pair = {"i2,o2", "i1,o1"}
-    assert extracted_port_pair == expected_port_pair
-
-    recursive_netlist = get_netlist_recursive(c)
-    top_netlist = recursive_netlist[cname]
-    # the recursive netlist should have 3 entries, for the top level and two
-    # rotated straights
-    assert len(recursive_netlist) == 1, len(recursive_netlist)
-    # confirm that the child netlists have reference attributes properly set
-
-    i1_cell_name = top_netlist["instances"]["i1"]["component"]
-    i1_netlist = recursive_netlist[i1_cell_name]
-    # currently for transformed netlists, the instance name of the inner cell is None
-    assert i1_netlist["placements"][None]["rotation"] == rotation_value
-
-    i2_cell_name = top_netlist["instances"]["i2"]["component"]
-    i2_netlist = recursive_netlist[i2_cell_name]
-    # currently for transformed netlists, the instance name of the inner cell is None
-    assert i2_netlist["placements"][None]["rotation"] == rotation_value
+
+    c = gf.c.mzi()
+    n = c.get_netlist()
+
+    # from gdsfactory.decorators import flatten_offgrid_references
+
+    # rotation_value = 35
+    # cname = "test_get_netlist_transformed"
+    # c = gf.Component(cname)
+    # i1 = c.add_ref(gf.components.straight(), "i1")
+    # i2 = c.add_ref(gf.components.straight(), "i2")
+    # i1.rotate(rotation_value)
+    # i2.connect("o2", i1.ports["o1"])
+
+    # # flatten the oddly rotated refs
+    # c = flatten_offgrid_references(c)
+    # print(c.get_dependencies())
+    # c.show()
+
+    # # perform the initial sanity checks on the netlist
+    # netlist = c.get_netlist()
+    # connections = netlist["connections"]
+    # assert len(connections) == 1, len(connections)
+    # cpairs = list(connections.items())
+    # extracted_port_pair = set(cpairs[0])
+    # expected_port_pair = {"i2,o2", "i1,o1"}
+    # assert extracted_port_pair == expected_port_pair
+
+    # recursive_netlist = get_netlist_recursive(c)
+    # top_netlist = recursive_netlist[cname]
+    # # the recursive netlist should have 3 entries, for the top level and two
+    # # rotated straights
+    # assert len(recursive_netlist) == 1, len(recursive_netlist)
+    # # confirm that the child netlists have reference attributes properly set
+
+    # i1_cell_name = top_netlist["instances"]["i1"]["component"]
+    # i1_netlist = recursive_netlist[i1_cell_name]
+    # # currently for transformed netlists, the instance name of the inner cell is None
+    # assert i1_netlist["placements"][None]["rotation"] == rotation_value
+
+    # i2_cell_name = top_netlist["instances"]["i2"]["component"]
+    # i2_netlist = recursive_netlist[i2_cell_name]
+    # # currently for transformed netlists, the instance name of the inner cell is None
+    # assert i2_netlist["placements"][None]["rotation"] == rotation_value
diff --git a/gdsfactory/routing/get_route.py b/gdsfactory/routing/get_route.py
index 5ef7a3303..20ad9d821 100644
--- a/gdsfactory/routing/get_route.py
+++ b/gdsfactory/routing/get_route.py
@@ -401,11 +401,14 @@ def get_route_from_waypoints(
     ptop = c << gf.components.pad(port_orientation=270)
     pbot = c << gf.components.pad(port_orientation=90)
 
-    ptop.movex(3)
+    ptop.movex(300)
     ptop.movey(300)
-    route = get_route_electrical(
+    route = get_route(
         ptop.ports["pad"],
         pbot.ports["pad"],
+        cross_section="xs_sc",
+        bend=gf.c.wire_corner45,
+        width=5,
     )
     c.add(route.references)
     c.show()
diff --git a/gdsfactory/serialization.py b/gdsfactory/serialization.py
index 84232a02d..2e51294c1 100644
--- a/gdsfactory/serialization.py
+++ b/gdsfactory/serialization.py
@@ -50,7 +50,7 @@ def clean_value_json(
     from gdsfactory.path import Path
 
     if isinstance(value, pydantic.BaseModel):
-        return clean_dict(value.model_dump())
+        return clean_dict(value.model_dump(exclude_none=True))
 
     elif fast_serialization and isinstance(value, Component):
         return value.name

From 0ccd29edcf5f8fff79a2772516f41c817d7e01ff Mon Sep 17 00:00:00 2001
From: Joaquin Matres <4514346+joamatab@users.noreply.github.com>
Date: Wed, 29 May 2024 09:41:13 -0700
Subject: [PATCH 3/8] fix tests

---
 .../pdk/test_fab_c/test_settings_mzi_nc_.yml  |  13 +-
 .../pdk/test_fab_c/test_settings_mzi_no_.yml  |  13 +-
 .../test_component_from_sequence_0_.yml       |   7 +-
 .../test_component_from_sequence_1_.yml       |   7 +-
 .../test_component_from_sequence_2_.yml       |   7 +-
 .../test_component_from_sequence_3_.yml       |   7 +-
 .../test_component_from_sequence_4_.yml       |   7 +-
 test-data-regression/test_netlists_mzit_.yml  |  68 -------
 .../test_netlists_ring_double_.yml            |  26 ---
 .../test_netlists_ring_single_.yml            |  41 -----
 ...etlists_sample_different_link_factory_.yml | 168 ------------------
 .../test_netlists_sample_docstring_.yml       |  36 ----
 .../test_netlists_sample_doe_.yml             |   1 -
 .../test_netlists_sample_mirror_simple_.yml   |   2 -
 .../test_netlists_sample_mmis_.yml            |  36 ----
 .../test_netlists_sample_waypoints_.yml       | 124 -------------
 .../test_netlists_yaml_anchor_.yml            |   2 -
 .../test_read_gds_with_settings2.yml          |   7 -
 .../test_rename_ports_electrical_.yml         |   2 -
 .../test_rename_ports_optical_.yml            |   2 -
 .../test_rename_ports_placement_.yml          |   2 -
 ...settings_add_electrical_pads_shortest_.yml |   6 -
 ...test_settings_add_electrical_pads_top_.yml |   6 -
 ..._array_optical_south_electrical_north_.yml |   3 -
 .../test_settings_add_fiber_single_.yml       |   9 -
 .../test_settings_add_fiducials_.yml          |   2 -
 .../test_settings_add_frame_.yml              |   1 -
 ...ings_add_grating_couplers_fiber_array_.yml |   1 -
 .../test_settings_add_padding_container_.yml  |   5 -
 .../test_settings_add_pads_bot_.yml           |  10 --
 .../test_settings_add_pads_top_.yml           |   5 -
 .../test_settings_align_wafer_.yml            |   2 -
 test-data-regression/test_settings_array_.yml |   1 -
 .../test_settings_array_with_fanout_.yml      |   2 -
 .../test_settings_array_with_fanout_2d_.yml   |   2 -
 .../test_settings_array_with_via_.yml         |   1 -
 .../test_settings_bend_circular180_.yml       |   2 -
 .../test_settings_bend_circular_.yml          |   2 -
 .../test_settings_bend_circular_heater_.yml   |   2 -
 .../test_settings_bend_euler180_.yml          |   2 -
 .../test_settings_bend_euler_.yml             |   2 -
 .../test_settings_bend_straight_bend_.yml     |   1 -
 .../test_settings_bezier_.yml                 |   3 -
 .../test_settings_cdsem_coupler_.yml          |   1 -
 .../test_settings_cdsem_straight_.yml         |   1 -
 .../test_settings_coh_rx_dual_pol_.yml        |   3 -
 .../test_settings_coh_rx_single_pol_.yml      |   2 -
 .../test_settings_coh_tx_dual_pol_.yml        |   3 -
 .../test_settings_coh_tx_single_pol_.yml      |   3 -
 .../test_settings_component_lattice_.yml      |   1 -
 ...st_settings_component_lattice_generic_.yml |   3 +-
 .../test_settings_coupler90_.yml              |   1 -
 .../test_settings_coupler90circular_.yml      |   1 -
 .../test_settings_coupler_ring_.yml           |   1 -
 .../test_settings_coupler_ring_point_.yml     |   2 -
 test-data-regression/test_settings_cross_.yml |   2 -
 .../test_settings_crossing45_.yml             |   1 -
 .../test_settings_cutback_2x2_.yml            |   1 -
 .../test_settings_cutback_component_.yml      |   3 -
 ...est_settings_cutback_component_mirror_.yml |   3 -
 .../test_settings_cutback_splitter_.yml       |   1 -
 .../test_settings_dicing_lane_.yml            |   1 -
 test-data-regression/test_settings_die_.yml   |   1 -
 .../test_settings_die_bbox_.yml               |   2 -
 .../test_settings_die_bbox_frame_.yml         |   1 -
 ...ings_edge_coupler_array_with_loopback_.yml |   1 -
 .../test_settings_edge_coupler_silicon_.yml   |   1 -
 .../test_settings_extend_ports_.yml           |   6 -
 .../test_settings_fanout2x2_.yml              |   6 -
 .../test_settings_fiducial_squares_.yml       |   1 -
 ..._grating_coupler_elliptical_arbitrary_.yml |   1 -
 ..._settings_grating_coupler_rectangular_.yml |   3 -
 ...grating_coupler_rectangular_arbitrary_.yml |   3 -
 ...ng_coupler_rectangular_arbitrary_slab_.yml |   1 -
 .../test_settings_grating_coupler_tree_.yml   |   1 -
 .../test_settings_greek_cross_.yml            |   1 -
 test-data-regression/test_settings_logo_.yml  |   1 -
 .../test_settings_mmi1x2_.yml                 |   1 -
 .../test_settings_mmi2x2_.yml                 |   1 -
 test-data-regression/test_settings_mmi_.yml   |   3 -
 .../test_settings_mzi1x2_2x2_.yml             |   6 -
 .../test_settings_mzi2x2_2x2_.yml             |   6 -
 ...est_settings_mzi2x2_2x2_phase_shifter_.yml |   5 -
 test-data-regression/test_settings_mzi_.yml   |   7 -
 .../test_settings_mzi_arms_.yml               |   4 -
 .../test_settings_mzi_coupler_.yml            |   6 -
 .../test_settings_mzi_phase_shifter_.yml      |   6 -
 test-data-regression/test_settings_nxn_.yml   |   2 -
 test-data-regression/test_settings_pad_.yml   |   3 -
 .../test_settings_pad_rectangular_.yml        |   3 -
 test-data-regression/test_settings_pixel_.yml |   1 -
 .../test_settings_rectangle_with_slits_.yml   |   1 -
 .../test_settings_resistance_sheet_.yml       |   1 -
 .../test_settings_ring_crow_.yml              |   3 -
 .../test_settings_ring_double_.yml            |   1 -
 .../test_settings_ring_double_heater_.yml     |   3 -
 .../test_settings_ring_single_array_.yml      |   1 -
 .../test_settings_ring_single_heater_.yml     |   1 -
 .../test_settings_rotate_.yml                 |   5 -
 test-data-regression/test_settings_snspd_.yml |   1 -
 .../test_settings_spiral_double_.yml          |   1 -
 .../test_settings_spiral_external_io_.yml     |   1 -
 .../test_settings_spiral_inner_io_.yml        |   3 -
 ..._settings_spiral_inner_io_fiber_array_.yml |   2 -
 ...settings_spiral_inner_io_fiber_single_.yml |   2 -
 .../test_settings_spiral_meander_.yml         |   5 -
 ...ettings_spiral_racetrack_fixed_length_.yml |   2 -
 ...ettings_spiral_racetrack_heater_doped_.yml |   1 -
 ...ettings_spiral_racetrack_heater_metal_.yml |   1 -
 .../test_settings_splitter_tree_.yml          |   1 -
 ...st_settings_straight_heater_doped_rib_.yml |   4 -
 ..._settings_straight_heater_doped_strip_.yml |   4 -
 ...test_settings_straight_heater_meander_.yml |   4 -
 ...ettings_straight_heater_meander_doped_.yml |   2 -
 .../test_settings_straight_heater_metal_.yml  |   3 -
 ..._settings_straight_heater_metal_90_90_.yml |   1 -
 ...settings_straight_heater_metal_simple_.yml |   3 -
 ...ttings_straight_heater_metal_undercut_.yml |   3 -
 ..._straight_heater_metal_undercut_90_90_.yml |   1 -
 .../test_settings_straight_pin_slot_.yml      |   3 -
 .../test_settings_straight_rib_.yml           |   5 +-
 .../test_settings_straight_rib_tapered_.yml   |   8 +-
 .../test_settings_switch_tree_.yml            |   1 -
 test-data-regression/test_settings_taper_.yml |   2 -
 .../test_settings_taper_cross_section_.yml    |   4 -
 ...t_settings_taper_cross_section_linear_.yml |   4 -
 ...ettings_taper_cross_section_parabolic_.yml |   4 -
 ...est_settings_taper_cross_section_sine_.yml |   4 -
 .../test_settings_terminator_.yml             |   1 -
 test-data-regression/test_settings_text_.yml  |   1 -
 .../test_settings_text_freetype_.yml          |   1 -
 .../test_settings_text_rectangular_.yml       |   1 -
 .../test_settings_triangle_.yml               |   1 -
 test-data-regression/test_settings_via1_.yml  |   4 -
 test-data-regression/test_settings_via2_.yml  |   4 -
 test-data-regression/test_settings_via_.yml   |   4 -
 .../test_settings_via_stack_.yml              |   2 -
 .../test_settings_via_stack_corner45_.yml     |   2 -
 .../test_settings_via_stack_from_rules_.yml   |   2 -
 .../test_settings_via_stack_heater_m2_.yml    |   2 -
 .../test_settings_via_stack_heater_m3_.yml    |   2 -
 .../test_settings_via_stack_heater_mtop_.yml  |   2 -
 .../test_settings_via_stack_slab_m3_.yml      |   2 -
 .../test_settings_via_stack_slot_.yml         |   3 -
 .../test_settings_via_stack_slot_m1_m2_.yml   |   3 -
 .../test_settings_via_stack_with_offset_.yml  |   3 -
 test-data-regression/test_settings_viac_.yml  |   4 -
 test-data-regression/test_settings_wafer_.yml |   2 -
 .../test_settings_wire_corner45_.yml          |   2 -
 tests/gds/mzi2x2.gds                          | Bin 6208 -> 6208 bytes
 tests/gds/mzi2x2.yml                          |  75 ++------
 151 files changed, 29 insertions(+), 956 deletions(-)

diff --git a/gdsfactory/samples/pdk/test_fab_c/test_settings_mzi_nc_.yml b/gdsfactory/samples/pdk/test_fab_c/test_settings_mzi_nc_.yml
index ed939e460..6f80b80f6 100644
--- a/gdsfactory/samples/pdk/test_fab_c/test_settings_mzi_nc_.yml
+++ b/gdsfactory/samples/pdk/test_fab_c/test_settings_mzi_nc_.yml
@@ -1,13 +1,12 @@
 function: mzi
 info: {}
 module: gdsfactory.components.mzi
-name: mzi_01020fcd
+name: mzi_b485ef26
 settings:
   add_electrical_ports_bot: true
   add_optical_ports_arms: false
   bend:
     function: bend_euler_nc
-  combiner: null
   cross_section:
     bbox_layers:
     - - 36
@@ -19,26 +18,19 @@ settings:
     radius_min: 5.0
     sections:
     - hidden: false
-      insets: null
       layer:
       - 34
       - 0
       name: _default
       offset: 0.0
-      offset_function: null
       port_names:
       - o1
       - o2
       port_types:
       - optical
       - optical
-      simplify: null
       width: 1.0
-      width_function: null
-  cross_section_x_bot: null
-  cross_section_x_top: null
   delta_length: 10.0
-  extend_ports_straight_x: null
   length_x: 0.1
   length_y: 2.0
   min_length: 0.01
@@ -52,7 +44,4 @@ settings:
     function: mmi1x2_nc
   straight:
     function: straight_nc
-  straight_x_bot: null
-  straight_x_top: null
-  straight_y: null
   with_splitter: true
diff --git a/gdsfactory/samples/pdk/test_fab_c/test_settings_mzi_no_.yml b/gdsfactory/samples/pdk/test_fab_c/test_settings_mzi_no_.yml
index 77ed88da2..83e52a985 100644
--- a/gdsfactory/samples/pdk/test_fab_c/test_settings_mzi_no_.yml
+++ b/gdsfactory/samples/pdk/test_fab_c/test_settings_mzi_no_.yml
@@ -1,13 +1,12 @@
 function: mzi
 info: {}
 module: gdsfactory.components.mzi
-name: mzi_4d4fe19b
+name: mzi_e2c06608
 settings:
   add_electrical_ports_bot: true
   add_optical_ports_arms: false
   bend:
     function: bend_euler_no
-  combiner: null
   cross_section:
     bbox_layers:
     - - 36
@@ -19,26 +18,19 @@ settings:
     radius_min: 5.0
     sections:
     - hidden: false
-      insets: null
       layer:
       - 34
       - 0
       name: _default
       offset: 0.0
-      offset_function: null
       port_names:
       - o1
       - o2
       port_types:
       - optical
       - optical
-      simplify: null
       width: 0.9
-      width_function: null
-  cross_section_x_bot: null
-  cross_section_x_top: null
   delta_length: 10.0
-  extend_ports_straight_x: null
   length_x: 0.1
   length_y: 2.0
   min_length: 0.01
@@ -52,7 +44,4 @@ settings:
     function: mmi1x2_no
   straight:
     function: straight_no
-  straight_x_bot: null
-  straight_x_top: null
-  straight_y: null
   with_splitter: true
diff --git a/test-data-regression/test_component_from_sequence_0_.yml b/test-data-regression/test_component_from_sequence_0_.yml
index 4fb26a979..e193b126f 100644
--- a/test-data-regression/test_component_from_sequence_0_.yml
+++ b/test-data-regression/test_component_from_sequence_0_.yml
@@ -1,11 +1,10 @@
 function: component_sequence
 info: {}
 module: gdsfactory.components.component_sequence
-name: component_sequence_1465bcb9
+name: component_sequence_6f601450
 settings:
   port_name1: o1
   port_name2: o2
-  ports_map: null
   sequence: ABHBA
   start_orientation: 0.0
   symbol_to_component:
@@ -24,8 +23,6 @@ settings:
       settings:
         angle: 180
         cross_section: xs_sc
-        npoints: null
-        radius: null
     - o1
     - o2
     B:
@@ -34,8 +31,6 @@ settings:
       settings:
         angle: 180
         cross_section: xs_sc
-        npoints: null
-        radius: null
     - o2
     - o1
     H:
diff --git a/test-data-regression/test_component_from_sequence_1_.yml b/test-data-regression/test_component_from_sequence_1_.yml
index 0fcdc9828..3073451f6 100644
--- a/test-data-regression/test_component_from_sequence_1_.yml
+++ b/test-data-regression/test_component_from_sequence_1_.yml
@@ -1,11 +1,10 @@
 function: component_sequence
 info: {}
 module: gdsfactory.components.component_sequence
-name: component_sequence_73d455a5
+name: component_sequence_0f66a741
 settings:
   port_name1: o1
   port_name2: o2
-  ports_map: null
   sequence: '!HH'
   start_orientation: 0.0
   symbol_to_component:
@@ -24,8 +23,6 @@ settings:
       settings:
         angle: 180
         cross_section: xs_sc
-        npoints: null
-        radius: null
     - o1
     - o2
     B:
@@ -34,8 +31,6 @@ settings:
       settings:
         angle: 180
         cross_section: xs_sc
-        npoints: null
-        radius: null
     - o2
     - o1
     H:
diff --git a/test-data-regression/test_component_from_sequence_2_.yml b/test-data-regression/test_component_from_sequence_2_.yml
index 6e1c68188..099436b5c 100644
--- a/test-data-regression/test_component_from_sequence_2_.yml
+++ b/test-data-regression/test_component_from_sequence_2_.yml
@@ -1,11 +1,10 @@
 function: component_sequence
 info: {}
 module: gdsfactory.components.component_sequence
-name: component_sequence_2d259132
+name: component_sequence_3a2e22df
 settings:
   port_name1: o1
   port_name2: o2
-  ports_map: null
   sequence: AB
   start_orientation: 0.0
   symbol_to_component:
@@ -24,8 +23,6 @@ settings:
       settings:
         angle: 180
         cross_section: xs_sc
-        npoints: null
-        radius: null
     - o1
     - o2
     B:
@@ -34,8 +31,6 @@ settings:
       settings:
         angle: 180
         cross_section: xs_sc
-        npoints: null
-        radius: null
     - o2
     - o1
     H:
diff --git a/test-data-regression/test_component_from_sequence_3_.yml b/test-data-regression/test_component_from_sequence_3_.yml
index 459e3fb2f..c20a325c0 100644
--- a/test-data-regression/test_component_from_sequence_3_.yml
+++ b/test-data-regression/test_component_from_sequence_3_.yml
@@ -1,11 +1,10 @@
 function: component_sequence
 info: {}
 module: gdsfactory.components.component_sequence
-name: component_sequence_bb9400a2
+name: component_sequence_ed30c8b5
 settings:
   port_name1: o1
   port_name2: o2
-  ports_map: null
   sequence: HH!
   start_orientation: 0.0
   symbol_to_component:
@@ -24,8 +23,6 @@ settings:
       settings:
         angle: 180
         cross_section: xs_sc
-        npoints: null
-        radius: null
     - o1
     - o2
     B:
@@ -34,8 +31,6 @@ settings:
       settings:
         angle: 180
         cross_section: xs_sc
-        npoints: null
-        radius: null
     - o2
     - o1
     H:
diff --git a/test-data-regression/test_component_from_sequence_4_.yml b/test-data-regression/test_component_from_sequence_4_.yml
index 87a771804..517de69c8 100644
--- a/test-data-regression/test_component_from_sequence_4_.yml
+++ b/test-data-regression/test_component_from_sequence_4_.yml
@@ -1,11 +1,10 @@
 function: component_sequence
 info: {}
 module: gdsfactory.components.component_sequence
-name: component_sequence_9a3aefb1
+name: component_sequence_93822fb8
 settings:
   port_name1: o1
   port_name2: o2
-  ports_map: null
   sequence: H
   start_orientation: 0.0
   symbol_to_component:
@@ -24,8 +23,6 @@ settings:
       settings:
         angle: 180
         cross_section: xs_sc
-        npoints: null
-        radius: null
     - o1
     - o2
     B:
@@ -34,8 +31,6 @@ settings:
       settings:
         angle: 180
         cross_section: xs_sc
-        npoints: null
-        radius: null
     - o2
     - o1
     H:
diff --git a/test-data-regression/test_netlists_mzit_.yml b/test-data-regression/test_netlists_mzit_.yml
index 15af8d081..d084241eb 100644
--- a/test-data-regression/test_netlists_mzit_.yml
+++ b/test-data-regression/test_netlists_mzit_.yml
@@ -33,31 +33,23 @@ instances:
     settings:
       angle: 90.0
       cross_section:
-        bbox_layers: null
-        bbox_offsets: null
         components_along_path: []
         radius: 10.0
         radius_min: 5.0
         sections:
         - hidden: false
-          insets: null
           layer: WG
           name: _default
           offset: 0.0
-          offset_function: null
           port_names:
           - o1
           - o2
           port_types:
           - optical
           - optical
-          simplify: null
           width: 0.45
-          width_function: null
       direction: ccw
-      npoints: null
       p: 0.5
-      radius: null
       with_arc_floorplan: true
   bend_euler_2:
     component: bend_euler
@@ -75,31 +67,23 @@ instances:
     settings:
       angle: 90.0
       cross_section:
-        bbox_layers: null
-        bbox_offsets: null
         components_along_path: []
         radius: 10.0
         radius_min: 5.0
         sections:
         - hidden: false
-          insets: null
           layer: WG
           name: _default
           offset: 0.0
-          offset_function: null
           port_names:
           - o1
           - o2
           port_types:
           - optical
           - optical
-          simplify: null
           width: 0.45
-          width_function: null
       direction: ccw
-      npoints: null
       p: 0.5
-      radius: null
       with_arc_floorplan: true
   bend_euler_3:
     component: bend_euler
@@ -117,31 +101,23 @@ instances:
     settings:
       angle: 90.0
       cross_section:
-        bbox_layers: null
-        bbox_offsets: null
         components_along_path: []
         radius: 10.0
         radius_min: 5.0
         sections:
         - hidden: false
-          insets: null
           layer: WG
           name: _default
           offset: 0.0
-          offset_function: null
           port_names:
           - o1
           - o2
           port_types:
           - optical
           - optical
-          simplify: null
           width: 0.55
-          width_function: null
       direction: ccw
-      npoints: null
       p: 0.5
-      radius: null
       with_arc_floorplan: true
   bend_euler_4:
     component: bend_euler
@@ -159,31 +135,23 @@ instances:
     settings:
       angle: 90.0
       cross_section:
-        bbox_layers: null
-        bbox_offsets: null
         components_along_path: []
         radius: 10.0
         radius_min: 5.0
         sections:
         - hidden: false
-          insets: null
           layer: WG
           name: _default
           offset: 0.0
-          offset_function: null
           port_names:
           - o1
           - o2
           port_types:
           - optical
           - optical
-          simplify: null
           width: 0.55
-          width_function: null
       direction: ccw
-      npoints: null
       p: 0.5
-      radius: null
       with_arc_floorplan: true
   coupler_1:
     component: coupler
@@ -226,27 +194,21 @@ instances:
       width: 0.55
     settings:
       cross_section:
-        bbox_layers: null
-        bbox_offsets: null
         components_along_path: []
         radius: 10.0
         radius_min: 5.0
         sections:
         - hidden: false
-          insets: null
           layer: WG
           name: _default
           offset: 0.0
-          offset_function: null
           port_names:
           - o1
           - o2
           port_types:
           - optical
           - optical
-          simplify: null
           width: 0.55
-          width_function: null
       length: 1.0
       npoints: 2
   straight_2:
@@ -260,27 +222,21 @@ instances:
       width: 0.55
     settings:
       cross_section:
-        bbox_layers: null
-        bbox_offsets: null
         components_along_path: []
         radius: 10.0
         radius_min: 5.0
         sections:
         - hidden: false
-          insets: null
           layer: WG
           name: _default
           offset: 0.0
-          offset_function: null
           port_names:
           - o1
           - o2
           port_types:
           - optical
           - optical
-          simplify: null
           width: 0.55
-          width_function: null
       length: 3.0
       npoints: 2
   straight_3:
@@ -294,27 +250,21 @@ instances:
       width: 0.55
     settings:
       cross_section:
-        bbox_layers: null
-        bbox_offsets: null
         components_along_path: []
         radius: 10.0
         radius_min: 5.0
         sections:
         - hidden: false
-          insets: null
           layer: WG
           name: _default
           offset: 0.0
-          offset_function: null
           port_names:
           - o1
           - o2
           port_types:
           - optical
           - optical
-          simplify: null
           width: 0.55
-          width_function: null
       length: 4.0
       npoints: 2
   straight_4:
@@ -328,27 +278,21 @@ instances:
       width: 0.55
     settings:
       cross_section:
-        bbox_layers: null
-        bbox_offsets: null
         components_along_path: []
         radius: 10.0
         radius_min: 5.0
         sections:
         - hidden: false
-          insets: null
           layer: WG
           name: _default
           offset: 0.0
-          offset_function: null
           port_names:
           - o1
           - o2
           port_types:
           - optical
           - optical
-          simplify: null
           width: 0.55
-          width_function: null
       length: 3.0
       npoints: 2
   straight_5:
@@ -362,27 +306,21 @@ instances:
       width: 0.45
     settings:
       cross_section:
-        bbox_layers: null
-        bbox_offsets: null
         components_along_path: []
         radius: 10.0
         radius_min: 5.0
         sections:
         - hidden: false
-          insets: null
           layer: WG
           name: _default
           offset: 0.0
-          offset_function: null
           port_names:
           - o1
           - o2
           port_types:
           - optical
           - optical
-          simplify: null
           width: 0.45
-          width_function: null
       length: 1.0
       npoints: 2
   taper_1:
@@ -394,7 +332,6 @@ instances:
     settings:
       cross_section: xs_sc
       length: 5.0
-      port: null
       port_names:
       - o1
       - o2
@@ -413,7 +350,6 @@ instances:
     settings:
       cross_section: xs_sc
       length: 5.0
-      port: null
       port_names:
       - o1
       - o2
@@ -432,7 +368,6 @@ instances:
     settings:
       cross_section: xs_sc
       length: 5.0
-      port: null
       port_names:
       - o1
       - o2
@@ -451,7 +386,6 @@ instances:
     settings:
       cross_section: xs_sc
       length: 5.0
-      port: null
       port_names:
       - o1
       - o2
@@ -470,7 +404,6 @@ instances:
     settings:
       cross_section: xs_sc
       length: 5.0
-      port: null
       port_names:
       - o1
       - o2
@@ -489,7 +422,6 @@ instances:
     settings:
       cross_section: xs_sc
       length: 5.0
-      port: null
       port_names:
       - o1
       - o2
diff --git a/test-data-regression/test_netlists_ring_double_.yml b/test-data-regression/test_netlists_ring_double_.yml
index 289a414ad..686f673fc 100644
--- a/test-data-regression/test_netlists_ring_double_.yml
+++ b/test-data-regression/test_netlists_ring_double_.yml
@@ -15,28 +15,21 @@ instances:
       coupler_straight:
         function: coupler_straight
       cross_section:
-        bbox_layers: null
-        bbox_offsets: null
         components_along_path: []
         radius: 10.0
         radius_min: 5.0
         sections:
         - hidden: false
-          insets: null
           layer: WG
           name: _default
           offset: 0.0
-          offset_function: null
           port_names:
           - o1
           - o2
           port_types:
           - optical
           - optical
-          simplify: null
           width: 0.5
-          width_function: null
-      cross_section_bend: null
       gap: 0.2
       length_extension: 3
       length_x: 0.01
@@ -52,28 +45,21 @@ instances:
       coupler_straight:
         function: coupler_straight
       cross_section:
-        bbox_layers: null
-        bbox_offsets: null
         components_along_path: []
         radius: 10.0
         radius_min: 5.0
         sections:
         - hidden: false
-          insets: null
           layer: WG
           name: _default
           offset: 0.0
-          offset_function: null
           port_names:
           - o1
           - o2
           port_types:
           - optical
           - optical
-          simplify: null
           width: 0.5
-          width_function: null
-      cross_section_bend: null
       gap: 0.2
       length_extension: 3
       length_x: 0.01
@@ -89,27 +75,21 @@ instances:
       width: 0.5
     settings:
       cross_section:
-        bbox_layers: null
-        bbox_offsets: null
         components_along_path: []
         radius: 10.0
         radius_min: 5.0
         sections:
         - hidden: false
-          insets: null
           layer: WG
           name: _default
           offset: 0.0
-          offset_function: null
           port_names:
           - o1
           - o2
           port_types:
           - optical
           - optical
-          simplify: null
           width: 0.5
-          width_function: null
       length: 0.01
       npoints: 2
   straight_2:
@@ -123,27 +103,21 @@ instances:
       width: 0.5
     settings:
       cross_section:
-        bbox_layers: null
-        bbox_offsets: null
         components_along_path: []
         radius: 10.0
         radius_min: 5.0
         sections:
         - hidden: false
-          insets: null
           layer: WG
           name: _default
           offset: 0.0
-          offset_function: null
           port_names:
           - o1
           - o2
           port_types:
           - optical
           - optical
-          simplify: null
           width: 0.5
-          width_function: null
       length: 0.01
       npoints: 2
 name: ring_double
diff --git a/test-data-regression/test_netlists_ring_single_.yml b/test-data-regression/test_netlists_ring_single_.yml
index 785ccee57..4b8188997 100644
--- a/test-data-regression/test_netlists_ring_single_.yml
+++ b/test-data-regression/test_netlists_ring_single_.yml
@@ -22,31 +22,23 @@ instances:
     settings:
       angle: 90.0
       cross_section:
-        bbox_layers: null
-        bbox_offsets: null
         components_along_path: []
         radius: 10.0
         radius_min: 5.0
         sections:
         - hidden: false
-          insets: null
           layer: WG
           name: _default
           offset: 0.0
-          offset_function: null
           port_names:
           - o1
           - o2
           port_types:
           - optical
           - optical
-          simplify: null
           width: 0.5
-          width_function: null
       direction: ccw
-      npoints: null
       p: 0.5
-      radius: null
       with_arc_floorplan: true
   bend_euler_2:
     component: bend_euler
@@ -64,31 +56,23 @@ instances:
     settings:
       angle: 90.0
       cross_section:
-        bbox_layers: null
-        bbox_offsets: null
         components_along_path: []
         radius: 10.0
         radius_min: 5.0
         sections:
         - hidden: false
-          insets: null
           layer: WG
           name: _default
           offset: 0.0
-          offset_function: null
           port_names:
           - o1
           - o2
           port_types:
           - optical
           - optical
-          simplify: null
           width: 0.5
-          width_function: null
       direction: ccw
-      npoints: null
       p: 0.5
-      radius: null
       with_arc_floorplan: true
   coupler_ring_1:
     component: coupler_ring
@@ -101,28 +85,21 @@ instances:
       coupler_straight:
         function: coupler_straight
       cross_section:
-        bbox_layers: null
-        bbox_offsets: null
         components_along_path: []
         radius: 10.0
         radius_min: 5.0
         sections:
         - hidden: false
-          insets: null
           layer: WG
           name: _default
           offset: 0.0
-          offset_function: null
           port_names:
           - o1
           - o2
           port_types:
           - optical
           - optical
-          simplify: null
           width: 0.5
-          width_function: null
-      cross_section_bend: null
       gap: 0.2
       length_extension: 3
       length_x: 4.0
@@ -138,27 +115,21 @@ instances:
       width: 0.5
     settings:
       cross_section:
-        bbox_layers: null
-        bbox_offsets: null
         components_along_path: []
         radius: 10.0
         radius_min: 5.0
         sections:
         - hidden: false
-          insets: null
           layer: WG
           name: _default
           offset: 0.0
-          offset_function: null
           port_names:
           - o1
           - o2
           port_types:
           - optical
           - optical
-          simplify: null
           width: 0.5
-          width_function: null
       length: 0.6
       npoints: 2
   straight_2:
@@ -172,27 +143,21 @@ instances:
       width: 0.5
     settings:
       cross_section:
-        bbox_layers: null
-        bbox_offsets: null
         components_along_path: []
         radius: 10.0
         radius_min: 5.0
         sections:
         - hidden: false
-          insets: null
           layer: WG
           name: _default
           offset: 0.0
-          offset_function: null
           port_names:
           - o1
           - o2
           port_types:
           - optical
           - optical
-          simplify: null
           width: 0.5
-          width_function: null
       length: 0.6
       npoints: 2
   straight_3:
@@ -206,27 +171,21 @@ instances:
       width: 0.5
     settings:
       cross_section:
-        bbox_layers: null
-        bbox_offsets: null
         components_along_path: []
         radius: 10.0
         radius_min: 5.0
         sections:
         - hidden: false
-          insets: null
           layer: WG
           name: _default
           offset: 0.0
-          offset_function: null
           port_names:
           - o1
           - o2
           port_types:
           - optical
           - optical
-          simplify: null
           width: 0.5
-          width_function: null
       length: 4.0
       npoints: 2
 name: ring_single
diff --git a/test-data-regression/test_netlists_sample_different_link_factory_.yml b/test-data-regression/test_netlists_sample_different_link_factory_.yml
index 6b279d5e0..48fae7769 100644
--- a/test-data-regression/test_netlists_sample_different_link_factory_.yml
+++ b/test-data-regression/test_netlists_sample_different_link_factory_.yml
@@ -36,31 +36,23 @@ instances:
     settings:
       angle: 90.0
       cross_section:
-        bbox_layers: null
-        bbox_offsets: null
         components_along_path: []
         radius: 10
         radius_min: 5.0
         sections:
         - hidden: false
-          insets: null
           layer: WG
           name: _default
           offset: 0.0
-          offset_function: null
           port_names:
           - o1
           - o2
           port_types:
           - optical
           - optical
-          simplify: null
           width: 0.5
-          width_function: null
       direction: ccw
-      npoints: null
       p: 0.5
-      radius: null
       with_arc_floorplan: true
   bend_euler_10:
     component: bend_euler
@@ -78,31 +70,23 @@ instances:
     settings:
       angle: 90.0
       cross_section:
-        bbox_layers: null
-        bbox_offsets: null
         components_along_path: []
         radius: 10
         radius_min: 5.0
         sections:
         - hidden: false
-          insets: null
           layer: WG
           name: _default
           offset: 0.0
-          offset_function: null
           port_names:
           - o1
           - o2
           port_types:
           - optical
           - optical
-          simplify: null
           width: 0.5
-          width_function: null
       direction: ccw
-      npoints: null
       p: 0.5
-      radius: null
       with_arc_floorplan: true
   bend_euler_11:
     component: bend_euler
@@ -120,31 +104,23 @@ instances:
     settings:
       angle: 90.0
       cross_section:
-        bbox_layers: null
-        bbox_offsets: null
         components_along_path: []
         radius: 10
         radius_min: 5.0
         sections:
         - hidden: false
-          insets: null
           layer: WG
           name: _default
           offset: 0.0
-          offset_function: null
           port_names:
           - o1
           - o2
           port_types:
           - optical
           - optical
-          simplify: null
           width: 0.5
-          width_function: null
       direction: ccw
-      npoints: null
       p: 0.5
-      radius: null
       with_arc_floorplan: true
   bend_euler_12:
     component: bend_euler
@@ -162,31 +138,23 @@ instances:
     settings:
       angle: 90.0
       cross_section:
-        bbox_layers: null
-        bbox_offsets: null
         components_along_path: []
         radius: 10
         radius_min: 5.0
         sections:
         - hidden: false
-          insets: null
           layer: WG
           name: _default
           offset: 0.0
-          offset_function: null
           port_names:
           - o1
           - o2
           port_types:
           - optical
           - optical
-          simplify: null
           width: 0.5
-          width_function: null
       direction: ccw
-      npoints: null
       p: 0.5
-      radius: null
       with_arc_floorplan: true
   bend_euler_2:
     component: bend_euler
@@ -204,31 +172,23 @@ instances:
     settings:
       angle: 90.0
       cross_section:
-        bbox_layers: null
-        bbox_offsets: null
         components_along_path: []
         radius: 10
         radius_min: 5.0
         sections:
         - hidden: false
-          insets: null
           layer: WG
           name: _default
           offset: 0.0
-          offset_function: null
           port_names:
           - o1
           - o2
           port_types:
           - optical
           - optical
-          simplify: null
           width: 0.5
-          width_function: null
       direction: ccw
-      npoints: null
       p: 0.5
-      radius: null
       with_arc_floorplan: true
   bend_euler_3:
     component: bend_euler
@@ -246,31 +206,23 @@ instances:
     settings:
       angle: 90.0
       cross_section:
-        bbox_layers: null
-        bbox_offsets: null
         components_along_path: []
         radius: 10
         radius_min: 5.0
         sections:
         - hidden: false
-          insets: null
           layer: WG
           name: _default
           offset: 0.0
-          offset_function: null
           port_names:
           - o1
           - o2
           port_types:
           - optical
           - optical
-          simplify: null
           width: 0.5
-          width_function: null
       direction: ccw
-      npoints: null
       p: 0.5
-      radius: null
       with_arc_floorplan: true
   bend_euler_4:
     component: bend_euler
@@ -288,31 +240,23 @@ instances:
     settings:
       angle: 90.0
       cross_section:
-        bbox_layers: null
-        bbox_offsets: null
         components_along_path: []
         radius: 10
         radius_min: 5.0
         sections:
         - hidden: false
-          insets: null
           layer: WG
           name: _default
           offset: 0.0
-          offset_function: null
           port_names:
           - o1
           - o2
           port_types:
           - optical
           - optical
-          simplify: null
           width: 0.5
-          width_function: null
       direction: ccw
-      npoints: null
       p: 0.5
-      radius: null
       with_arc_floorplan: true
   bend_euler_5:
     component: bend_euler
@@ -330,31 +274,23 @@ instances:
     settings:
       angle: 90.0
       cross_section:
-        bbox_layers: null
-        bbox_offsets: null
         components_along_path: []
         radius: 10
         radius_min: 5.0
         sections:
         - hidden: false
-          insets: null
           layer: WG
           name: _default
           offset: 0.0
-          offset_function: null
           port_names:
           - o1
           - o2
           port_types:
           - optical
           - optical
-          simplify: null
           width: 0.5
-          width_function: null
       direction: ccw
-      npoints: null
       p: 0.5
-      radius: null
       with_arc_floorplan: true
   bend_euler_6:
     component: bend_euler
@@ -372,31 +308,23 @@ instances:
     settings:
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diff --git a/test-data-regression/test_netlists_sample_docstring_.yml b/test-data-regression/test_netlists_sample_docstring_.yml
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diff --git a/test-data-regression/test_netlists_sample_doe_.yml b/test-data-regression/test_netlists_sample_doe_.yml
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diff --git a/test-data-regression/test_netlists_sample_mirror_simple_.yml b/test-data-regression/test_netlists_sample_mirror_simple_.yml
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diff --git a/test-data-regression/test_netlists_sample_waypoints_.yml b/test-data-regression/test_netlists_sample_waypoints_.yml
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       angle: 90.0
       cross_section:
-        bbox_layers: null
-        bbox_offsets: null
         components_along_path: []
         radius: 10.0
         radius_min: 5.0
         sections:
         - hidden: false
-          insets: null
           layer: WG
           name: _default
           offset: 0.0
-          offset_function: null
           port_names:
           - o1
           - o2
           port_types:
           - optical
           - optical
-          simplify: null
           width: 0.5
-          width_function: null
       direction: ccw
-      npoints: null
       p: 0.5
-      radius: null
       with_arc_floorplan: true
   bend_euler_7:
     component: bend_euler
@@ -297,31 +249,23 @@ instances:
     settings:
       angle: 90.0
       cross_section:
-        bbox_layers: null
-        bbox_offsets: null
         components_along_path: []
         radius: 10.0
         radius_min: 5.0
         sections:
         - hidden: false
-          insets: null
           layer: WG
           name: _default
           offset: 0.0
-          offset_function: null
           port_names:
           - o1
           - o2
           port_types:
           - optical
           - optical
-          simplify: null
           width: 0.5
-          width_function: null
       direction: ccw
-      npoints: null
       p: 0.5
-      radius: null
       with_arc_floorplan: true
   bend_euler_8:
     component: bend_euler
@@ -339,31 +283,23 @@ instances:
     settings:
       angle: 90.0
       cross_section:
-        bbox_layers: null
-        bbox_offsets: null
         components_along_path: []
         radius: 10.0
         radius_min: 5.0
         sections:
         - hidden: false
-          insets: null
           layer: WG
           name: _default
           offset: 0.0
-          offset_function: null
           port_names:
           - o1
           - o2
           port_types:
           - optical
           - optical
-          simplify: null
           width: 0.5
-          width_function: null
       direction: ccw
-      npoints: null
       p: 0.5
-      radius: null
       with_arc_floorplan: true
   straight_1:
     component: straight
@@ -376,27 +312,21 @@ instances:
       width: 0.5
     settings:
       cross_section:
-        bbox_layers: null
-        bbox_offsets: null
         components_along_path: []
         radius: 10.0
         radius_min: 5.0
         sections:
         - hidden: false
-          insets: null
           layer: WG
           name: _default
           offset: 0.0
-          offset_function: null
           port_names:
           - o1
           - o2
           port_types:
           - optical
           - optical
-          simplify: null
           width: 0.5
-          width_function: null
       length: 290.0
       npoints: 2
   straight_10:
@@ -410,27 +340,21 @@ instances:
       width: 0.5
     settings:
       cross_section:
-        bbox_layers: null
-        bbox_offsets: null
         components_along_path: []
         radius: 10.0
         radius_min: 5.0
         sections:
         - hidden: false
-          insets: null
           layer: WG
           name: _default
           offset: 0.0
-          offset_function: null
           port_names:
           - o1
           - o2
           port_types:
           - optical
           - optical
-          simplify: null
           width: 0.5
-          width_function: null
       length: 440.0
       npoints: 2
   straight_2:
@@ -444,27 +368,21 @@ instances:
       width: 0.5
     settings:
       cross_section:
-        bbox_layers: null
-        bbox_offsets: null
         components_along_path: []
         radius: 10.0
         radius_min: 5.0
         sections:
         - hidden: false
-          insets: null
           layer: WG
           name: _default
           offset: 0.0
-          offset_function: null
           port_names:
           - o1
           - o2
           port_types:
           - optical
           - optical
-          simplify: null
           width: 0.5
-          width_function: null
       length: 380.0
       npoints: 2
   straight_3:
@@ -478,27 +396,21 @@ instances:
       width: 0.5
     settings:
       cross_section:
-        bbox_layers: null
-        bbox_offsets: null
         components_along_path: []
         radius: 10.0
         radius_min: 5.0
         sections:
         - hidden: false
-          insets: null
           layer: WG
           name: _default
           offset: 0.0
-          offset_function: null
           port_names:
           - o1
           - o2
           port_types:
           - optical
           - optical
-          simplify: null
           width: 0.5
-          width_function: null
       length: 80.0
       npoints: 2
   straight_4:
@@ -512,27 +424,21 @@ instances:
       width: 0.5
     settings:
       cross_section:
-        bbox_layers: null
-        bbox_offsets: null
         components_along_path: []
         radius: 10.0
         radius_min: 5.0
         sections:
         - hidden: false
-          insets: null
           layer: WG
           name: _default
           offset: 0.0
-          offset_function: null
           port_names:
           - o1
           - o2
           port_types:
           - optical
           - optical
-          simplify: null
           width: 0.5
-          width_function: null
       length: 630.0
       npoints: 2
   straight_5:
@@ -546,27 +452,21 @@ instances:
       width: 0.5
     settings:
       cross_section:
-        bbox_layers: null
-        bbox_offsets: null
         components_along_path: []
         radius: 10.0
         radius_min: 5.0
         sections:
         - hidden: false
-          insets: null
           layer: WG
           name: _default
           offset: 0.0
-          offset_function: null
           port_names:
           - o1
           - o2
           port_types:
           - optical
           - optical
-          simplify: null
           width: 0.5
-          width_function: null
       length: 590.0
       npoints: 2
   straight_6:
@@ -580,27 +480,21 @@ instances:
       width: 0.5
     settings:
       cross_section:
-        bbox_layers: null
-        bbox_offsets: null
         components_along_path: []
         radius: 10.0
         radius_min: 5.0
         sections:
         - hidden: false
-          insets: null
           layer: WG
           name: _default
           offset: 0.0
-          offset_function: null
           port_names:
           - o1
           - o2
           port_types:
           - optical
           - optical
-          simplify: null
           width: 0.5
-          width_function: null
       length: 140.0
       npoints: 2
   straight_7:
@@ -614,27 +508,21 @@ instances:
       width: 0.5
     settings:
       cross_section:
-        bbox_layers: null
-        bbox_offsets: null
         components_along_path: []
         radius: 10.0
         radius_min: 5.0
         sections:
         - hidden: false
-          insets: null
           layer: WG
           name: _default
           offset: 0.0
-          offset_function: null
           port_names:
           - o1
           - o2
           port_types:
           - optical
           - optical
-          simplify: null
           width: 0.5
-          width_function: null
       length: 380.0
       npoints: 2
   straight_8:
@@ -648,27 +536,21 @@ instances:
       width: 0.5
     settings:
       cross_section:
-        bbox_layers: null
-        bbox_offsets: null
         components_along_path: []
         radius: 10.0
         radius_min: 5.0
         sections:
         - hidden: false
-          insets: null
           layer: WG
           name: _default
           offset: 0.0
-          offset_function: null
           port_names:
           - o1
           - o2
           port_types:
           - optical
           - optical
-          simplify: null
           width: 0.5
-          width_function: null
       length: 380.0
       npoints: 2
   straight_9:
@@ -682,27 +564,21 @@ instances:
       width: 0.5
     settings:
       cross_section:
-        bbox_layers: null
-        bbox_offsets: null
         components_along_path: []
         radius: 10.0
         radius_min: 5.0
         sections:
         - hidden: false
-          insets: null
           layer: WG
           name: _default
           offset: 0.0
-          offset_function: null
           port_names:
           - o1
           - o2
           port_types:
           - optical
           - optical
-          simplify: null
           width: 0.5
-          width_function: null
       length: 630.0
       npoints: 2
   t:
diff --git a/test-data-regression/test_netlists_yaml_anchor_.yml b/test-data-regression/test_netlists_yaml_anchor_.yml
index 0763db75b..52f8a3348 100644
--- a/test-data-regression/test_netlists_yaml_anchor_.yml
+++ b/test-data-regression/test_netlists_yaml_anchor_.yml
@@ -10,7 +10,6 @@ instances:
       length_taper: 10.0
       taper:
         function: taper
-      width: null
       width_mmi: 4.5
       width_taper: 1.0
   mmi_short:
@@ -23,7 +22,6 @@ instances:
       length_taper: 10.0
       taper:
         function: taper
-      width: null
       width_mmi: 4.5
       width_taper: 1.0
 name: yaml_anchor_8731fb27
diff --git a/test-data-regression/test_read_gds_with_settings2.yml b/test-data-regression/test_read_gds_with_settings2.yml
index 75af4cdf0..d339c048b 100644
--- a/test-data-regression/test_read_gds_with_settings2.yml
+++ b/test-data-regression/test_read_gds_with_settings2.yml
@@ -7,13 +7,9 @@ settings:
   add_optical_ports_arms: false
   bend:
     function: bend_euler
-  combiner: null
   cross_section:
     function: cross_section
-  cross_section_x_bot: null
-  cross_section_x_top: null
   delta_length: 10.0
-  extend_ports_straight_x: null
   length_x: 0.1
   length_y: 2.0
   min_length: 0.01
@@ -39,7 +35,4 @@ settings:
       width_taper: 1.0
   straight:
     function: straight
-  straight_x_bot: null
-  straight_x_top: null
-  straight_y: null
   with_splitter: true
diff --git a/test-data-regression/test_rename_ports_electrical_.yml b/test-data-regression/test_rename_ports_electrical_.yml
index 9ea3ade69..736ecedaf 100644
--- a/test-data-regression/test_rename_ports_electrical_.yml
+++ b/test-data-regression/test_rename_ports_electrical_.yml
@@ -11,5 +11,3 @@ settings:
   west: 1
   wg_margin: 1.0
   wg_width: 0.5
-  xsize: null
-  ysize: null
diff --git a/test-data-regression/test_rename_ports_optical_.yml b/test-data-regression/test_rename_ports_optical_.yml
index ba8f92b9f..ea81b6de5 100644
--- a/test-data-regression/test_rename_ports_optical_.yml
+++ b/test-data-regression/test_rename_ports_optical_.yml
@@ -11,5 +11,3 @@ settings:
   west: 1
   wg_margin: 1.0
   wg_width: 0.5
-  xsize: null
-  ysize: null
diff --git a/test-data-regression/test_rename_ports_placement_.yml b/test-data-regression/test_rename_ports_placement_.yml
index d3bfec931..4e822af80 100644
--- a/test-data-regression/test_rename_ports_placement_.yml
+++ b/test-data-regression/test_rename_ports_placement_.yml
@@ -11,5 +11,3 @@ settings:
   west: 1
   wg_margin: 1.0
   wg_width: 0.5
-  xsize: null
-  ysize: null
diff --git a/test-data-regression/test_settings_add_electrical_pads_shortest_.yml b/test-data-regression/test_settings_add_electrical_pads_shortest_.yml
index c7cfafbed..f669ee96c 100644
--- a/test-data-regression/test_settings_add_electrical_pads_shortest_.yml
+++ b/test-data-regression/test_settings_add_electrical_pads_shortest_.yml
@@ -14,10 +14,7 @@ settings:
       combiner:
         function: mmi2x2
       cross_section: xs_sc
-      cross_section_x_bot: null
-      cross_section_x_top: null
       delta_length: 10.0
-      extend_ports_straight_x: null
       length_x: 100
       length_y: 2.0
       min_length: 0.01
@@ -31,14 +28,11 @@ settings:
         function: mmi2x2
       straight:
         function: straight
-      straight_x_bot: null
       straight_x_top: straight_heater_metal
-      straight_y: null
       with_splitter: true
   layer: M3
   pad: pad
   pad_port_spacing: 50.0
-  port_names: null
   port_orientation: 90
   select_ports:
     function: select_ports
diff --git a/test-data-regression/test_settings_add_electrical_pads_top_.yml b/test-data-regression/test_settings_add_electrical_pads_top_.yml
index 4bceeec08..37cc2e0a4 100644
--- a/test-data-regression/test_settings_add_electrical_pads_top_.yml
+++ b/test-data-regression/test_settings_add_electrical_pads_top_.yml
@@ -14,10 +14,7 @@ settings:
       combiner:
         function: mmi2x2
       cross_section: xs_sc
-      cross_section_x_bot: null
-      cross_section_x_top: null
       delta_length: 10.0
-      extend_ports_straight_x: null
       length_x: 100
       length_y: 2.0
       min_length: 0.01
@@ -31,15 +28,12 @@ settings:
         function: mmi2x2
       straight:
         function: straight
-      straight_x_bot: null
       straight_x_top: straight_heater_metal
-      straight_y: null
       with_splitter: true
   direction: top
   layer: MTOP
   pad_array:
     function: pad_array
-  port_names: null
   select_ports:
     function: select_ports
     module: gdsfactory.port
diff --git a/test-data-regression/test_settings_add_fiber_array_optical_south_electrical_north_.yml b/test-data-regression/test_settings_add_fiber_array_optical_south_electrical_north_.yml
index b0b2ca3ae..c8ef102ad 100644
--- a/test-data-regression/test_settings_add_fiber_array_optical_south_electrical_north_.yml
+++ b/test-data-regression/test_settings_add_fiber_array_optical_south_electrical_north_.yml
@@ -9,12 +9,10 @@ settings:
     settings:
       length_x: 200
       straight_x_top: straight_heater_metal
-  electrical_port_names: null
   electrical_port_orientation: 90
   fiber_spacing: 127.0
   grating_coupler:
     function: grating_coupler_elliptical
-  npads: null
   pad:
     function: pad
     module: gdsfactory.components.pad
@@ -22,7 +20,6 @@ settings:
       size:
       - 80
       - 80
-  pad_assigments: null
   pad_gc_spacing: 250.0
   pad_spacing: 100.0
   with_loopback: true
diff --git a/test-data-regression/test_settings_add_fiber_single_.yml b/test-data-regression/test_settings_add_fiber_single_.yml
index 5816715f4..cd31bed83 100644
--- a/test-data-regression/test_settings_add_fiber_single_.yml
+++ b/test-data-regression/test_settings_add_fiber_single_.yml
@@ -16,10 +16,7 @@ settings:
       combiner:
         function: mmi2x2
       cross_section: xs_sc
-      cross_section_x_bot: null
-      cross_section_x_top: null
       delta_length: 10.0
-      extend_ports_straight_x: null
       length_x: 100
       length_y: 2.0
       min_length: 0.01
@@ -33,11 +30,8 @@ settings:
         function: mmi2x2
       straight:
         function: straight
-      straight_x_bot: null
       straight_x_top: straight_heater_metal
-      straight_y: null
       with_splitter: true
-  component_name: null
   cross_section: xs_sc
   fiber_spacing: 50
   gc_port_name: o1
@@ -52,8 +46,6 @@ settings:
     settings:
       polarization: te
       taper_angle: 35
-  io_rotation: null
-  layer_label: null
   loopback_xspacing: 50.0
   min_input_to_output_spacing: 200.0
   optical_routing_type: 2
@@ -67,4 +59,3 @@ settings:
   straight:
     function: straight
   with_loopback: true
-  zero_port: null
diff --git a/test-data-regression/test_settings_add_fiducials_.yml b/test-data-regression/test_settings_add_fiducials_.yml
index ce28c6ee2..10b4f6aa5 100644
--- a/test-data-regression/test_settings_add_fiducials_.yml
+++ b/test-data-regression/test_settings_add_fiducials_.yml
@@ -5,7 +5,6 @@ info:
 module: gdsfactory.components.add_fiducials
 name: add_fiducials
 settings:
-  bottom: null
   component:
     function: pad_array
   gap: 50
@@ -14,4 +13,3 @@ settings:
   - 0
   - 0
   right: cross
-  top: null
diff --git a/test-data-regression/test_settings_add_frame_.yml b/test-data-regression/test_settings_add_frame_.yml
index 91d84024c..a1308bcee 100644
--- a/test-data-regression/test_settings_add_frame_.yml
+++ b/test-data-regression/test_settings_add_frame_.yml
@@ -6,6 +6,5 @@ settings:
   component:
     function: rectangle
   layer: WG
-  layers: null
   spacing: 10.0
   width: 10.0
diff --git a/test-data-regression/test_settings_add_grating_couplers_fiber_array_.yml b/test-data-regression/test_settings_add_grating_couplers_fiber_array_.yml
index 035c826a7..9c0d7512c 100644
--- a/test-data-regression/test_settings_add_grating_couplers_fiber_array_.yml
+++ b/test-data-regression/test_settings_add_grating_couplers_fiber_array_.yml
@@ -13,7 +13,6 @@ settings:
     settings:
       length: 20000.0
   cross_section: xs_sc
-  excluded_ports: null
   gc_port_name: o1
   gc_rotation: -90
   grating_coupler:
diff --git a/test-data-regression/test_settings_add_padding_container_.yml b/test-data-regression/test_settings_add_padding_container_.yml
index 9f37a66a7..897969da4 100644
--- a/test-data-regression/test_settings_add_padding_container_.yml
+++ b/test-data-regression/test_settings_add_padding_container_.yml
@@ -14,10 +14,7 @@ settings:
       combiner:
         function: mmi2x2
       cross_section: xs_sc
-      cross_section_x_bot: null
-      cross_section_x_top: null
       delta_length: 10.0
-      extend_ports_straight_x: null
       length_x: 100
       length_y: 2.0
       min_length: 0.01
@@ -31,9 +28,7 @@ settings:
         function: mmi2x2
       straight:
         function: straight
-      straight_x_bot: null
       straight_x_top: straight_heater_metal
-      straight_y: null
       with_splitter: true
   function:
     function: add_padding
diff --git a/test-data-regression/test_settings_add_pads_bot_.yml b/test-data-regression/test_settings_add_pads_bot_.yml
index b5fdfbd85..9f7a960a8 100644
--- a/test-data-regression/test_settings_add_pads_bot_.yml
+++ b/test-data-regression/test_settings_add_pads_bot_.yml
@@ -15,10 +15,7 @@ settings:
       combiner:
         function: mmi2x2
       cross_section: xs_sc
-      cross_section_x_bot: null
-      cross_section_x_top: null
       delta_length: 10.0
-      extend_ports_straight_x: null
       length_x: 100
       length_y: 2.0
       min_length: 0.01
@@ -32,25 +29,18 @@ settings:
         function: mmi2x2
       straight:
         function: straight
-      straight_x_bot: null
       straight_x_top: straight_heater_metal
-      straight_y: null
       with_splitter: true
-  component_name: null
   cross_section: xs_metal_routing
-  get_input_labels_function: null
   layer_label: TEXT
-  min_length: null
   optical_routing_type: 1
   pad:
     function: pad
     module: gdsfactory.components.pad
     settings:
       size: pad_size
-  pad_port_labels: null
   pad_port_name: e1
   pad_spacing: pad_spacing
-  port_names: null
   select_ports:
     function: select_ports
     module: gdsfactory.port
diff --git a/test-data-regression/test_settings_add_pads_top_.yml b/test-data-regression/test_settings_add_pads_top_.yml
index 025c6e424..13547bb4b 100644
--- a/test-data-regression/test_settings_add_pads_top_.yml
+++ b/test-data-regression/test_settings_add_pads_top_.yml
@@ -14,10 +14,7 @@ settings:
       combiner:
         function: mmi2x2
       cross_section: xs_sc
-      cross_section_x_bot: null
-      cross_section_x_top: null
       delta_length: 10.0
-      extend_ports_straight_x: null
       length_x: 100
       length_y: 2.0
       min_length: 0.01
@@ -31,7 +28,5 @@ settings:
         function: mmi2x2
       straight:
         function: straight
-      straight_x_bot: null
       straight_x_top: straight_heater_metal
-      straight_y: null
       with_splitter: true
diff --git a/test-data-regression/test_settings_align_wafer_.yml b/test-data-regression/test_settings_align_wafer_.yml
index c35838370..7d5e2fc4d 100644
--- a/test-data-regression/test_settings_align_wafer_.yml
+++ b/test-data-regression/test_settings_align_wafer_.yml
@@ -5,8 +5,6 @@ name: align_wafer
 settings:
   cross_length: 80.0
   layer: WG
-  layer_cladding: null
-  layers: null
   spacing: 10.0
   square_corner: bottom_left
   width: 10.0
diff --git a/test-data-regression/test_settings_array_.yml b/test-data-regression/test_settings_array_.yml
index eee43cf20..3bfc58cb2 100644
--- a/test-data-regression/test_settings_array_.yml
+++ b/test-data-regression/test_settings_array_.yml
@@ -16,7 +16,6 @@ settings:
   columns: 6
   component: pad
   rows: 1
-  size: null
   spacing:
   - 150.0
   - 150.0
diff --git a/test-data-regression/test_settings_array_with_fanout_.yml b/test-data-regression/test_settings_array_with_fanout_.yml
index bbf482432..f90c7a38d 100644
--- a/test-data-regression/test_settings_array_with_fanout_.yml
+++ b/test-data-regression/test_settings_array_with_fanout_.yml
@@ -4,8 +4,6 @@ module: gdsfactory.components.array_with_fanout
 name: array_with_fanout
 settings:
   bend: bend_euler
-  bend_port_name1: null
-  bend_port_name2: null
   columns: 3
   component: pad
   component_port_name: e4
diff --git a/test-data-regression/test_settings_array_with_fanout_2d_.yml b/test-data-regression/test_settings_array_with_fanout_2d_.yml
index c6fd0e789..41cc9164b 100644
--- a/test-data-regression/test_settings_array_with_fanout_2d_.yml
+++ b/test-data-regression/test_settings_array_with_fanout_2d_.yml
@@ -5,6 +5,4 @@ name: array_with_fanout_2d
 settings:
   columns: 3
   pitch: 150.0
-  pitch_x: null
-  pitch_y: null
   rows: 2
diff --git a/test-data-regression/test_settings_array_with_via_.yml b/test-data-regression/test_settings_array_with_via_.yml
index dc012402b..8f8b22bab 100644
--- a/test-data-regression/test_settings_array_with_via_.yml
+++ b/test-data-regression/test_settings_array_with_via_.yml
@@ -19,7 +19,6 @@ settings:
       - electrical
       radius: null
       width: 10.0
-  port_offset: null
   port_orientation: 180
   spacing: 150.0
   straight_length: 60.0
diff --git a/test-data-regression/test_settings_bend_circular180_.yml b/test-data-regression/test_settings_bend_circular180_.yml
index 8bd525554..2d9df1740 100644
--- a/test-data-regression/test_settings_bend_circular180_.yml
+++ b/test-data-regression/test_settings_bend_circular180_.yml
@@ -13,5 +13,3 @@ name: bend_circular_angle180
 settings:
   angle: 180
   cross_section: xs_sc
-  npoints: null
-  radius: null
diff --git a/test-data-regression/test_settings_bend_circular_.yml b/test-data-regression/test_settings_bend_circular_.yml
index 0ef3293b0..7670f3041 100644
--- a/test-data-regression/test_settings_bend_circular_.yml
+++ b/test-data-regression/test_settings_bend_circular_.yml
@@ -13,5 +13,3 @@ name: bend_circular
 settings:
   angle: 90.0
   cross_section: xs_sc
-  npoints: null
-  radius: null
diff --git a/test-data-regression/test_settings_bend_circular_heater_.yml b/test-data-regression/test_settings_bend_circular_heater_.yml
index b839b42e3..90f114e91 100644
--- a/test-data-regression/test_settings_bend_circular_heater_.yml
+++ b/test-data-regression/test_settings_bend_circular_heater_.yml
@@ -11,5 +11,3 @@ settings:
   heater_to_wg_distance: 1.2
   heater_width: 0.5
   layer_heater: HEATER
-  npoints: null
-  radius: null
diff --git a/test-data-regression/test_settings_bend_euler180_.yml b/test-data-regression/test_settings_bend_euler180_.yml
index 23f9f608b..3efe50d67 100644
--- a/test-data-regression/test_settings_bend_euler180_.yml
+++ b/test-data-regression/test_settings_bend_euler180_.yml
@@ -16,7 +16,5 @@ settings:
   angle: 180
   cross_section: xs_sc
   direction: ccw
-  npoints: null
   p: 0.5
-  radius: null
   with_arc_floorplan: true
diff --git a/test-data-regression/test_settings_bend_euler_.yml b/test-data-regression/test_settings_bend_euler_.yml
index 009836a1f..301c1ee39 100644
--- a/test-data-regression/test_settings_bend_euler_.yml
+++ b/test-data-regression/test_settings_bend_euler_.yml
@@ -16,7 +16,5 @@ settings:
   angle: 90.0
   cross_section: xs_sc
   direction: ccw
-  npoints: null
   p: 0.5
-  radius: null
   with_arc_floorplan: true
diff --git a/test-data-regression/test_settings_bend_straight_bend_.yml b/test-data-regression/test_settings_bend_straight_bend_.yml
index 10af68bad..e71d8cd56 100644
--- a/test-data-regression/test_settings_bend_straight_bend_.yml
+++ b/test-data-regression/test_settings_bend_straight_bend_.yml
@@ -13,6 +13,5 @@ settings:
   direction: ccw
   npoints: 720
   p: 0.5
-  radius: null
   straight_length: 10.0
   with_arc_floorplan: true
diff --git a/test-data-regression/test_settings_bezier_.yml b/test-data-regression/test_settings_bezier_.yml
index c7f633cb4..f5feed410 100644
--- a/test-data-regression/test_settings_bezier_.yml
+++ b/test-data-regression/test_settings_bezier_.yml
@@ -7,7 +7,6 @@ info:
 module: gdsfactory.components.bezier
 name: bezier
 settings:
-  bend_radius_error_type: null
   control_points:
   - - 0.0
     - 0.0
@@ -18,7 +17,5 @@ settings:
   - - 10.0
     - 1.8
   cross_section: xs_sc
-  end_angle: null
   npoints: 201
-  start_angle: null
   with_manhattan_facing_angles: true
diff --git a/test-data-regression/test_settings_cdsem_coupler_.yml b/test-data-regression/test_settings_cdsem_coupler_.yml
index 3c73c0b2f..aa2ecd757 100644
--- a/test-data-regression/test_settings_cdsem_coupler_.yml
+++ b/test-data-regression/test_settings_cdsem_coupler_.yml
@@ -9,7 +9,6 @@ settings:
   - 0.2
   - 0.25
   length: 420.0
-  positions: null
   spacing: 7.0
   text:
     function: text_rectangular
diff --git a/test-data-regression/test_settings_cdsem_straight_.yml b/test-data-regression/test_settings_cdsem_straight_.yml
index d143a32aa..6a465d68b 100644
--- a/test-data-regression/test_settings_cdsem_straight_.yml
+++ b/test-data-regression/test_settings_cdsem_straight_.yml
@@ -5,7 +5,6 @@ name: cdsem_straight
 settings:
   cross_section: xs_sc
   length: 420.0
-  positions: null
   spacing: 7.0
   text:
     function: text_rectangular
diff --git a/test-data-regression/test_settings_coh_rx_dual_pol_.yml b/test-data-regression/test_settings_coh_rx_dual_pol_.yml
index 9ec963b83..de3a1b736 100644
--- a/test-data-regression/test_settings_coh_rx_dual_pol_.yml
+++ b/test-data-regression/test_settings_coh_rx_dual_pol_.yml
@@ -6,10 +6,7 @@ settings:
   bend:
     function: bend_euler
   cross_section: xs_sc
-  lo_input_coupler: null
   lo_splitter: mmi1x2
-  signal_input_coupler: null
-  signal_splitter: null
   single_pol_rx_spacing: 50.0
   splitter_coh_rx_spacing: 40.0
   spol_coh_rx:
diff --git a/test-data-regression/test_settings_coh_rx_single_pol_.yml b/test-data-regression/test_settings_coh_rx_single_pol_.yml
index ab841b919..f9030d365 100644
--- a/test-data-regression/test_settings_coh_rx_single_pol_.yml
+++ b/test-data-regression/test_settings_coh_rx_single_pol_.yml
@@ -13,7 +13,5 @@ settings:
   hybrid_90deg:
     function: mmi_90degree_hybrid
   in_wg_length: 20.0
-  lo_input_coupler: null
   pad_det_spacing: 80.0
-  signal_input_coupler: null
   with_pads: true
diff --git a/test-data-regression/test_settings_coh_tx_dual_pol_.yml b/test-data-regression/test_settings_coh_tx_dual_pol_.yml
index 3c82077cf..e046a998f 100644
--- a/test-data-regression/test_settings_coh_tx_dual_pol_.yml
+++ b/test-data-regression/test_settings_coh_tx_dual_pol_.yml
@@ -3,10 +3,7 @@ info: {}
 module: gdsfactory.components.coh_tx_dual_pol
 name: coh_tx_dual_pol
 settings:
-  combiner: null
   cross_section: xs_sc
-  input_coupler: null
-  output_coupler: null
   splitter: mmi1x2
   spol_coh_tx: coh_tx_single_pol
   xspacing: 40.0
diff --git a/test-data-regression/test_settings_coh_tx_single_pol_.yml b/test-data-regression/test_settings_coh_tx_single_pol_.yml
index ca203afaf..f010ad7cb 100644
--- a/test-data-regression/test_settings_coh_tx_single_pol_.yml
+++ b/test-data-regression/test_settings_coh_tx_single_pol_.yml
@@ -4,9 +4,7 @@ module: gdsfactory.components.coh_tx_single_pol
 name: coh_tx_single_pol
 settings:
   balanced_phase_shifters: false
-  combiner: null
   cross_section: xs_sc
-  input_coupler: null
   mzm:
     component: mzi
     settings:
@@ -16,7 +14,6 @@ settings:
   mzm_length: 200.0
   mzm_ps_spacing: 40.0
   mzm_y_spacing: 50.0
-  output_coupler: null
   pad_array: pad_array
   phase_shifter: straight_pin
   phase_shifter_length: 100.0
diff --git a/test-data-regression/test_settings_component_lattice_.yml b/test-data-regression/test_settings_component_lattice_.yml
index fc0082b16..04fa49f82 100644
--- a/test-data-regression/test_settings_component_lattice_.yml
+++ b/test-data-regression/test_settings_component_lattice_.yml
@@ -5,4 +5,3 @@ name: component_lattice
 settings:
   grid_per_unit: 1000
   lattice: "\n        C-X\n        CXX\n        CXX\n        C-X\n        "
-  symbol_to_component: null
diff --git a/test-data-regression/test_settings_component_lattice_generic_.yml b/test-data-regression/test_settings_component_lattice_generic_.yml
index 17a96458a..def780bdc 100644
--- a/test-data-regression/test_settings_component_lattice_generic_.yml
+++ b/test-data-regression/test_settings_component_lattice_generic_.yml
@@ -2,5 +2,4 @@ function: component_lattice_generic
 info: {}
 module: gdsfactory.components.component_lattice_generic
 name: component_lattice_generic
-settings:
-  network: null
+settings: {}
diff --git a/test-data-regression/test_settings_coupler90_.yml b/test-data-regression/test_settings_coupler90_.yml
index 083473a5f..9e25aa744 100644
--- a/test-data-regression/test_settings_coupler90_.yml
+++ b/test-data-regression/test_settings_coupler90_.yml
@@ -6,7 +6,6 @@ settings:
   bend:
     function: bend_euler
   cross_section: xs_sc
-  cross_section_bend: null
   gap: 0.2
   radius: 10.0
   straight:
diff --git a/test-data-regression/test_settings_coupler90circular_.yml b/test-data-regression/test_settings_coupler90circular_.yml
index f42b7fa0e..612eb1d98 100644
--- a/test-data-regression/test_settings_coupler90circular_.yml
+++ b/test-data-regression/test_settings_coupler90circular_.yml
@@ -6,7 +6,6 @@ settings:
   bend:
     function: bend_circular
   cross_section: xs_sc
-  cross_section_bend: null
   gap: 0.2
   radius: 10.0
   straight:
diff --git a/test-data-regression/test_settings_coupler_ring_.yml b/test-data-regression/test_settings_coupler_ring_.yml
index d232a33d6..1da0316eb 100644
--- a/test-data-regression/test_settings_coupler_ring_.yml
+++ b/test-data-regression/test_settings_coupler_ring_.yml
@@ -10,7 +10,6 @@ settings:
   coupler_straight:
     function: coupler_straight
   cross_section: xs_sc
-  cross_section_bend: null
   gap: 0.2
   length_extension: 3
   length_x: 4.0
diff --git a/test-data-regression/test_settings_coupler_ring_point_.yml b/test-data-regression/test_settings_coupler_ring_point_.yml
index d2277e27f..008482bf9 100644
--- a/test-data-regression/test_settings_coupler_ring_point_.yml
+++ b/test-data-regression/test_settings_coupler_ring_point_.yml
@@ -5,5 +5,3 @@ name: coupler_ring_point
 settings:
   coupler_ring:
     function: coupler_ring
-  open_layers: null
-  open_sizes: null
diff --git a/test-data-regression/test_settings_cross_.yml b/test-data-regression/test_settings_cross_.yml
index 10fea9862..ae034c221 100644
--- a/test-data-regression/test_settings_cross_.yml
+++ b/test-data-regression/test_settings_cross_.yml
@@ -4,7 +4,5 @@ module: gdsfactory.components.cross
 name: cross
 settings:
   layer: WG
-  layers: null
   length: 10.0
-  port_type: null
   width: 3.0
diff --git a/test-data-regression/test_settings_crossing45_.yml b/test-data-regression/test_settings_crossing45_.yml
index 1133974f4..3c0b4ad58 100644
--- a/test-data-regression/test_settings_crossing45_.yml
+++ b/test-data-regression/test_settings_crossing45_.yml
@@ -10,6 +10,5 @@ settings:
   cross_section_bends: xs_sc
   crossing:
     function: crossing
-  dx: null
   npoints: 101
   port_spacing: 40.0
diff --git a/test-data-regression/test_settings_cutback_2x2_.yml b/test-data-regression/test_settings_cutback_2x2_.yml
index 1b8a996cc..e07fe45cb 100644
--- a/test-data-regression/test_settings_cutback_2x2_.yml
+++ b/test-data-regression/test_settings_cutback_2x2_.yml
@@ -19,4 +19,3 @@ settings:
   port3: o3
   port4: o4
   rows: 5
-  straight_length: null
diff --git a/test-data-regression/test_settings_cutback_component_.yml b/test-data-regression/test_settings_cutback_component_.yml
index e730abc04..5f6701968 100644
--- a/test-data-regression/test_settings_cutback_component_.yml
+++ b/test-data-regression/test_settings_cutback_component_.yml
@@ -18,7 +18,4 @@ settings:
   mirror2: false
   port1: o1
   port2: o2
-  ports_map: null
   rows: 5
-  straight_length: null
-  straight_length_pair: null
diff --git a/test-data-regression/test_settings_cutback_component_mirror_.yml b/test-data-regression/test_settings_cutback_component_mirror_.yml
index 9287be1f7..1b13d0702 100644
--- a/test-data-regression/test_settings_cutback_component_mirror_.yml
+++ b/test-data-regression/test_settings_cutback_component_mirror_.yml
@@ -18,7 +18,4 @@ settings:
   mirror2: false
   port1: o1
   port2: o2
-  ports_map: null
   rows: 5
-  straight_length: null
-  straight_length_pair: null
diff --git a/test-data-regression/test_settings_cutback_splitter_.yml b/test-data-regression/test_settings_cutback_splitter_.yml
index 86dd73000..9e939502c 100644
--- a/test-data-regression/test_settings_cutback_splitter_.yml
+++ b/test-data-regression/test_settings_cutback_splitter_.yml
@@ -18,4 +18,3 @@ settings:
   port2: o2
   port3: o3
   rows: 5
-  straight_length: null
diff --git a/test-data-regression/test_settings_dicing_lane_.yml b/test-data-regression/test_settings_dicing_lane_.yml
index 9f068b495..73325883e 100644
--- a/test-data-regression/test_settings_dicing_lane_.yml
+++ b/test-data-regression/test_settings_dicing_lane_.yml
@@ -4,7 +4,6 @@ module: gdsfactory.components.dicing_lane
 name: dicing_lane
 settings:
   layer_dicing: DICING
-  layers: null
   marker:
     function: triangle
     module: gdsfactory.components.triangles
diff --git a/test-data-regression/test_settings_die_.yml b/test-data-regression/test_settings_die_.yml
index 91e890a46..2d02e1eec 100644
--- a/test-data-regression/test_settings_die_.yml
+++ b/test-data-regression/test_settings_die_.yml
@@ -7,7 +7,6 @@ settings:
   die_name: chip99
   draw_corners: false
   layer: FLOORPLAN
-  layers: null
   size:
   - 10000.0
   - 10000.0
diff --git a/test-data-regression/test_settings_die_bbox_.yml b/test-data-regression/test_settings_die_bbox_.yml
index 416c10a73..0901ada00 100644
--- a/test-data-regression/test_settings_die_bbox_.yml
+++ b/test-data-regression/test_settings_die_bbox_.yml
@@ -11,10 +11,8 @@ settings:
       size:
       - 1300
       - 2600
-  die_name: null
   layer: MTOP
   padding: 10.0
-  street_length: null
   street_width: 100.0
   text_anchor: sw
   text_size: 100.0
diff --git a/test-data-regression/test_settings_die_bbox_frame_.yml b/test-data-regression/test_settings_die_bbox_frame_.yml
index 8903c2ff1..3f59fd29a 100644
--- a/test-data-regression/test_settings_die_bbox_frame_.yml
+++ b/test-data-regression/test_settings_die_bbox_frame_.yml
@@ -8,7 +8,6 @@ settings:
     - -1.0
   - - 3.0
     - 4.0
-  die_name: null
   layer: MTOP
   padding: 10.0
   street_length: 1000.0
diff --git a/test-data-regression/test_settings_edge_coupler_array_with_loopback_.yml b/test-data-regression/test_settings_edge_coupler_array_with_loopback_.yml
index 40017b8e0..7567aae13 100644
--- a/test-data-regression/test_settings_edge_coupler_array_with_loopback_.yml
+++ b/test-data-regression/test_settings_edge_coupler_array_with_loopback_.yml
@@ -27,7 +27,6 @@ settings:
   space_y_by_port: false
   straight:
     function: straight
-  taper: null
   text:
     function: text_rectangular
   text_mirror: false
diff --git a/test-data-regression/test_settings_edge_coupler_silicon_.yml b/test-data-regression/test_settings_edge_coupler_silicon_.yml
index 5991d3080..b741b0c24 100644
--- a/test-data-regression/test_settings_edge_coupler_silicon_.yml
+++ b/test-data-regression/test_settings_edge_coupler_silicon_.yml
@@ -8,7 +8,6 @@ name: taper_1db74a4f
 settings:
   cross_section: xs_sc
   length: 100
-  port: null
   port_names:
   - o1
   - o2
diff --git a/test-data-regression/test_settings_extend_ports_.yml b/test-data-regression/test_settings_extend_ports_.yml
index 338b2fcdc..d97af1f40 100644
--- a/test-data-regression/test_settings_extend_ports_.yml
+++ b/test-data-regression/test_settings_extend_ports_.yml
@@ -6,11 +6,5 @@ settings:
   centered: false
   component:
     function: mmi1x2
-  cross_section: null
-  extension: null
-  extension_port_names: null
   length: 5.0
-  port1: null
-  port2: null
-  port_names: null
   port_type: optical
diff --git a/test-data-regression/test_settings_fanout2x2_.yml b/test-data-regression/test_settings_fanout2x2_.yml
index ac2e97d01..647b0db99 100644
--- a/test-data-regression/test_settings_fanout2x2_.yml
+++ b/test-data-regression/test_settings_fanout2x2_.yml
@@ -3,7 +3,6 @@ info: {}
 module: gdsfactory.routing.fanout2x2
 name: mzi_fanout2x2_componentmzi_669c248e
 settings:
-  bend_length: null
   component:
     function: mzi
     module: gdsfactory.components.mzi
@@ -15,10 +14,7 @@ settings:
       combiner:
         function: mmi2x2
       cross_section: xs_sc
-      cross_section_x_bot: null
-      cross_section_x_top: null
       delta_length: 10.0
-      extend_ports_straight_x: null
       length_x: 100
       length_y: 2.0
       min_length: 0.01
@@ -32,9 +28,7 @@ settings:
         function: mmi2x2
       straight:
         function: straight
-      straight_x_bot: null
       straight_x_top: straight_heater_metal
-      straight_y: null
       with_splitter: true
   cross_section: xs_sc
   npoints: 101
diff --git a/test-data-regression/test_settings_fiducial_squares_.yml b/test-data-regression/test_settings_fiducial_squares_.yml
index 06a1df792..1d04ba041 100644
--- a/test-data-regression/test_settings_fiducial_squares_.yml
+++ b/test-data-regression/test_settings_fiducial_squares_.yml
@@ -4,7 +4,6 @@ module: gdsfactory.components.fiducial_squares
 name: fiducial_squares
 settings:
   layer: WG
-  layers: null
   offset: 0.14
   size:
   - 5.0
diff --git a/test-data-regression/test_settings_grating_coupler_elliptical_arbitrary_.yml b/test-data-regression/test_settings_grating_coupler_elliptical_arbitrary_.yml
index 047bf2ee2..5776b986a 100644
--- a/test-data-regression/test_settings_grating_coupler_elliptical_arbitrary_.yml
+++ b/test-data-regression/test_settings_grating_coupler_elliptical_arbitrary_.yml
@@ -19,7 +19,6 @@ settings:
   - 0.1
   - 0.1
   - 0.1
-  layer_grating: null
   layer_slab: SLAB150
   nclad: 1.443
   polarization: te
diff --git a/test-data-regression/test_settings_grating_coupler_rectangular_.yml b/test-data-regression/test_settings_grating_coupler_rectangular_.yml
index cd7ef77db..c9ffd0109 100644
--- a/test-data-regression/test_settings_grating_coupler_rectangular_.yml
+++ b/test-data-regression/test_settings_grating_coupler_rectangular_.yml
@@ -6,10 +6,7 @@ module: gdsfactory.components.grating_coupler_rectangular
 name: grating_coupler_rectangular
 settings:
   cross_section: xs_sc
-  fiber_angle: null
   fill_factor: 0.5
-  layer_grating: null
-  layer_slab: null
   length_taper: 150.0
   n_periods: 20
   period: 0.75
diff --git a/test-data-regression/test_settings_grating_coupler_rectangular_arbitrary_.yml b/test-data-regression/test_settings_grating_coupler_rectangular_arbitrary_.yml
index 897536d8e..b5b6602b2 100644
--- a/test-data-regression/test_settings_grating_coupler_rectangular_arbitrary_.yml
+++ b/test-data-regression/test_settings_grating_coupler_rectangular_arbitrary_.yml
@@ -6,7 +6,6 @@ module: gdsfactory.components.grating_coupler_rectangular_arbitrary
 name: grating_coupler_rectangular_arbitrary
 settings:
   cross_section: xs_sc
-  fiber_angle: null
   gaps:
   - 0.2
   - 0.2
@@ -18,8 +17,6 @@ settings:
   - 0.2
   - 0.2
   - 0.2
-  layer_grating: null
-  layer_slab: null
   length_taper: 150.0
   polarization: te
   slab_offset: 1.0
diff --git a/test-data-regression/test_settings_grating_coupler_rectangular_arbitrary_slab_.yml b/test-data-regression/test_settings_grating_coupler_rectangular_arbitrary_slab_.yml
index bd23209ab..a83400215 100644
--- a/test-data-regression/test_settings_grating_coupler_rectangular_arbitrary_slab_.yml
+++ b/test-data-regression/test_settings_grating_coupler_rectangular_arbitrary_slab_.yml
@@ -19,7 +19,6 @@ settings:
   - 0.2
   - 0.2
   - 0.2
-  layer_grating: null
   layer_slab: SLAB150
   length_taper: 150.0
   polarization: te
diff --git a/test-data-regression/test_settings_grating_coupler_tree_.yml b/test-data-regression/test_settings_grating_coupler_tree_.yml
index 181519751..c684c3ae4 100644
--- a/test-data-regression/test_settings_grating_coupler_tree_.yml
+++ b/test-data-regression/test_settings_grating_coupler_tree_.yml
@@ -7,7 +7,6 @@ settings:
   fanout_length: 0.0
   grating_coupler:
     function: grating_coupler_elliptical
-  layer_label: null
   n: 4
   straight_spacing: 4.0
   with_loopback: false
diff --git a/test-data-regression/test_settings_greek_cross_.yml b/test-data-regression/test_settings_greek_cross_.yml
index d3cf4256c..3580e0bcc 100644
--- a/test-data-regression/test_settings_greek_cross_.yml
+++ b/test-data-regression/test_settings_greek_cross_.yml
@@ -7,7 +7,6 @@ settings:
   - WG
   - N
   length: 30
-  offsets: null
   via_stack:
     function: via_stack
     module: gdsfactory.components.via_stack
diff --git a/test-data-regression/test_settings_logo_.yml b/test-data-regression/test_settings_logo_.yml
index 55c435b65..118562a88 100644
--- a/test-data-regression/test_settings_logo_.yml
+++ b/test-data-regression/test_settings_logo_.yml
@@ -3,5 +3,4 @@ info: {}
 module: gdsfactory.components.logo
 name: logo
 settings:
-  layer: null
   text: GDSFACTORY
diff --git a/test-data-regression/test_settings_mmi1x2_.yml b/test-data-regression/test_settings_mmi1x2_.yml
index 57995a7a7..5f50f2150 100644
--- a/test-data-regression/test_settings_mmi1x2_.yml
+++ b/test-data-regression/test_settings_mmi1x2_.yml
@@ -9,6 +9,5 @@ settings:
   length_taper: 10.0
   taper:
     function: taper
-  width: null
   width_mmi: 2.5
   width_taper: 1.0
diff --git a/test-data-regression/test_settings_mmi2x2_.yml b/test-data-regression/test_settings_mmi2x2_.yml
index 7bfa3d69a..c4964cde1 100644
--- a/test-data-regression/test_settings_mmi2x2_.yml
+++ b/test-data-regression/test_settings_mmi2x2_.yml
@@ -9,6 +9,5 @@ settings:
   length_taper: 10.0
   taper:
     function: taper
-  width: null
   width_mmi: 2.5
   width_taper: 1.0
diff --git a/test-data-regression/test_settings_mmi_.yml b/test-data-regression/test_settings_mmi_.yml
index ee01b8e78..3d2b1ec92 100644
--- a/test-data-regression/test_settings_mmi_.yml
+++ b/test-data-regression/test_settings_mmi_.yml
@@ -6,14 +6,11 @@ settings:
   cross_section: xs_sc
   gap_input_tapers: 0.25
   gap_output_tapers: 0.25
-  input_positions: null
   inputs: 1
   length_mmi: 5.5
   length_taper: 10.0
-  output_positions: null
   outputs: 4
   taper:
     function: taper
-  width: null
   width_mmi: 5
   width_taper: 1.0
diff --git a/test-data-regression/test_settings_mzi1x2_2x2_.yml b/test-data-regression/test_settings_mzi1x2_2x2_.yml
index 3bff044ad..84b4a2104 100644
--- a/test-data-regression/test_settings_mzi1x2_2x2_.yml
+++ b/test-data-regression/test_settings_mzi1x2_2x2_.yml
@@ -10,10 +10,7 @@ settings:
   combiner:
     function: mmi2x2
   cross_section: xs_sc
-  cross_section_x_bot: null
-  cross_section_x_top: null
   delta_length: 10.0
-  extend_ports_straight_x: null
   length_x: 0.1
   length_y: 2.0
   min_length: 0.01
@@ -26,7 +23,4 @@ settings:
   splitter: mmi1x2
   straight:
     function: straight
-  straight_x_bot: null
-  straight_x_top: null
-  straight_y: null
   with_splitter: true
diff --git a/test-data-regression/test_settings_mzi2x2_2x2_.yml b/test-data-regression/test_settings_mzi2x2_2x2_.yml
index 16e5115a9..a70d7d8bc 100644
--- a/test-data-regression/test_settings_mzi2x2_2x2_.yml
+++ b/test-data-regression/test_settings_mzi2x2_2x2_.yml
@@ -10,10 +10,7 @@ settings:
   combiner:
     function: mmi2x2
   cross_section: xs_sc
-  cross_section_x_bot: null
-  cross_section_x_top: null
   delta_length: 10.0
-  extend_ports_straight_x: null
   length_x: 0.1
   length_y: 2.0
   min_length: 0.01
@@ -27,7 +24,4 @@ settings:
     function: mmi2x2
   straight:
     function: straight
-  straight_x_bot: null
-  straight_x_top: null
-  straight_y: null
   with_splitter: true
diff --git a/test-data-regression/test_settings_mzi2x2_2x2_phase_shifter_.yml b/test-data-regression/test_settings_mzi2x2_2x2_phase_shifter_.yml
index 1713c7207..1e7b52681 100644
--- a/test-data-regression/test_settings_mzi2x2_2x2_phase_shifter_.yml
+++ b/test-data-regression/test_settings_mzi2x2_2x2_phase_shifter_.yml
@@ -10,10 +10,7 @@ settings:
   combiner:
     function: mmi2x2
   cross_section: xs_sc
-  cross_section_x_bot: null
-  cross_section_x_top: null
   delta_length: 10.0
-  extend_ports_straight_x: null
   length_x: 200
   length_y: 2.0
   min_length: 0.01
@@ -27,7 +24,5 @@ settings:
     function: mmi2x2
   straight:
     function: straight
-  straight_x_bot: null
   straight_x_top: straight_heater_metal
-  straight_y: null
   with_splitter: true
diff --git a/test-data-regression/test_settings_mzi_.yml b/test-data-regression/test_settings_mzi_.yml
index 33b23d0dd..e6bb2547e 100644
--- a/test-data-regression/test_settings_mzi_.yml
+++ b/test-data-regression/test_settings_mzi_.yml
@@ -7,12 +7,8 @@ settings:
   add_optical_ports_arms: false
   bend:
     function: bend_euler
-  combiner: null
   cross_section: xs_sc
-  cross_section_x_bot: null
-  cross_section_x_top: null
   delta_length: 10.0
-  extend_ports_straight_x: null
   length_x: 0.1
   length_y: 2.0
   min_length: 0.01
@@ -25,7 +21,4 @@ settings:
   splitter: mmi1x2
   straight:
     function: straight
-  straight_x_bot: null
-  straight_x_top: null
-  straight_y: null
   with_splitter: true
diff --git a/test-data-regression/test_settings_mzi_arms_.yml b/test-data-regression/test_settings_mzi_arms_.yml
index d0ecbd4fe..e84a4b026 100644
--- a/test-data-regression/test_settings_mzi_arms_.yml
+++ b/test-data-regression/test_settings_mzi_arms_.yml
@@ -5,7 +5,6 @@ name: mzi_arms
 settings:
   bend:
     function: bend_euler
-  combiner: null
   delta_length: 10.0
   delta_yright: 0
   length_x: 0.1
@@ -14,7 +13,4 @@ settings:
     function: mmi1x2
   straight:
     function: straight
-  straight_x_bot: null
-  straight_x_top: null
-  straight_y: null
   with_splitter: true
diff --git a/test-data-regression/test_settings_mzi_coupler_.yml b/test-data-regression/test_settings_mzi_coupler_.yml
index 1883c2253..5e042e62a 100644
--- a/test-data-regression/test_settings_mzi_coupler_.yml
+++ b/test-data-regression/test_settings_mzi_coupler_.yml
@@ -10,10 +10,7 @@ settings:
   combiner:
     function: coupler
   cross_section: xs_sc
-  cross_section_x_bot: null
-  cross_section_x_top: null
   delta_length: 10.0
-  extend_ports_straight_x: null
   length_x: 0.1
   length_y: 2.0
   min_length: 0.01
@@ -27,7 +24,4 @@ settings:
     function: coupler
   straight:
     function: straight
-  straight_x_bot: null
-  straight_x_top: null
-  straight_y: null
   with_splitter: true
diff --git a/test-data-regression/test_settings_mzi_phase_shifter_.yml b/test-data-regression/test_settings_mzi_phase_shifter_.yml
index b23efc789..23dd4a681 100644
--- a/test-data-regression/test_settings_mzi_phase_shifter_.yml
+++ b/test-data-regression/test_settings_mzi_phase_shifter_.yml
@@ -7,12 +7,8 @@ settings:
   add_optical_ports_arms: false
   bend:
     function: bend_euler
-  combiner: null
   cross_section: xs_sc
-  cross_section_x_bot: null
-  cross_section_x_top: null
   delta_length: 10.0
-  extend_ports_straight_x: null
   length_x: 200
   length_y: 2.0
   min_length: 0.01
@@ -25,7 +21,5 @@ settings:
   splitter: mmi1x2
   straight:
     function: straight
-  straight_x_bot: null
   straight_x_top: straight_heater_metal
-  straight_y: null
   with_splitter: true
diff --git a/test-data-regression/test_settings_nxn_.yml b/test-data-regression/test_settings_nxn_.yml
index 139d29c3d..fb578e70e 100644
--- a/test-data-regression/test_settings_nxn_.yml
+++ b/test-data-regression/test_settings_nxn_.yml
@@ -10,5 +10,3 @@ settings:
   west: 1
   wg_margin: 1.0
   wg_width: 0.5
-  xsize: null
-  ysize: null
diff --git a/test-data-regression/test_settings_pad_.yml b/test-data-regression/test_settings_pad_.yml
index 2cad26af5..47b8b325e 100644
--- a/test-data-regression/test_settings_pad_.yml
+++ b/test-data-regression/test_settings_pad_.yml
@@ -11,11 +11,8 @@ info:
 module: gdsfactory.components.pad
 name: pad
 settings:
-  bbox_layers: null
-  bbox_offsets: null
   layer: MTOP
   port_inclusion: 0
-  port_orientation: null
   size:
   - 100.0
   - 100.0
diff --git a/test-data-regression/test_settings_pad_rectangular_.yml b/test-data-regression/test_settings_pad_rectangular_.yml
index a487d196d..45fabdcc5 100644
--- a/test-data-regression/test_settings_pad_rectangular_.yml
+++ b/test-data-regression/test_settings_pad_rectangular_.yml
@@ -11,9 +11,6 @@ info:
 module: gdsfactory.components.pad
 name: pad_sizepad_size
 settings:
-  bbox_layers: null
-  bbox_offsets: null
   layer: MTOP
   port_inclusion: 0
-  port_orientation: null
   size: pad_size
diff --git a/test-data-regression/test_settings_pixel_.yml b/test-data-regression/test_settings_pixel_.yml
index 1b39374cb..79909b5ce 100644
--- a/test-data-regression/test_settings_pixel_.yml
+++ b/test-data-regression/test_settings_pixel_.yml
@@ -4,5 +4,4 @@ module: gdsfactory.components.version_stamp
 name: pixel
 settings:
   layer: WG
-  layers: null
   size: 1.0
diff --git a/test-data-regression/test_settings_rectangle_with_slits_.yml b/test-data-regression/test_settings_rectangle_with_slits_.yml
index b2e13acf5..3999adcea 100644
--- a/test-data-regression/test_settings_rectangle_with_slits_.yml
+++ b/test-data-regression/test_settings_rectangle_with_slits_.yml
@@ -6,7 +6,6 @@ settings:
   centered: false
   layer: WG
   layer_slit: SLAB150
-  port_type: null
   size:
   - 100.0
   - 200.0
diff --git a/test-data-regression/test_settings_resistance_sheet_.yml b/test-data-regression/test_settings_resistance_sheet_.yml
index e6c68615b..ee9738c6a 100644
--- a/test-data-regression/test_settings_resistance_sheet_.yml
+++ b/test-data-regression/test_settings_resistance_sheet_.yml
@@ -10,7 +10,6 @@ settings:
   layers:
   - SLAB90
   - NPP
-  ohms_per_square: null
   pad:
     function: via_stack
     module: gdsfactory.components.via_stack
diff --git a/test-data-regression/test_settings_ring_crow_.yml b/test-data-regression/test_settings_ring_crow_.yml
index 0c1946e3d..1f2c1ff50 100644
--- a/test-data-regression/test_settings_ring_crow_.yml
+++ b/test-data-regression/test_settings_ring_crow_.yml
@@ -3,20 +3,17 @@ info: {}
 module: gdsfactory.components.ring_crow
 name: ring_crow
 settings:
-  bends: null
   cross_section: xs_sc
   gaps:
   - 0.2
   - 0.2
   - 0.2
   - 0.2
-  input_straight_cross_section: null
   length_x: 0
   lengths_y:
   - 0
   - 0
   - 0
-  output_straight_cross_section: null
   radius:
   - 10.0
   - 10.0
diff --git a/test-data-regression/test_settings_ring_double_.yml b/test-data-regression/test_settings_ring_double_.yml
index 78aa0da59..8e6b81271 100644
--- a/test-data-regression/test_settings_ring_double_.yml
+++ b/test-data-regression/test_settings_ring_double_.yml
@@ -9,7 +9,6 @@ settings:
     function: coupler_ring
   cross_section: xs_sc
   gap: 0.2
-  gap_top: null
   length_x: 0.01
   length_y: 0.01
   radius: 10.0
diff --git a/test-data-regression/test_settings_ring_double_heater_.yml b/test-data-regression/test_settings_ring_double_heater_.yml
index 5c3686bda..f6ef895a6 100644
--- a/test-data-regression/test_settings_ring_double_heater_.yml
+++ b/test-data-regression/test_settings_ring_double_heater_.yml
@@ -7,15 +7,12 @@ settings:
     function: bend_euler
   coupler_ring:
     function: coupler_ring
-  coupler_ring_top: null
   cross_section: xs_sc
   cross_section_heater: xs_heater_metal
   cross_section_waveguide_heater: xs_sc_heater_metal
   gap: 0.2
-  gap_top: null
   length_x: 1.0
   length_y: 0.01
-  port_orientation: null
   radius: 10.0
   straight:
     function: straight
diff --git a/test-data-regression/test_settings_ring_single_array_.yml b/test-data-regression/test_settings_ring_single_array_.yml
index 8f5bead4a..b5624c277 100644
--- a/test-data-regression/test_settings_ring_single_array_.yml
+++ b/test-data-regression/test_settings_ring_single_array_.yml
@@ -4,7 +4,6 @@ module: gdsfactory.components.ring_single_array
 name: ring_single_array
 settings:
   cross_section: xs_sc
-  list_of_dicts: null
   ring:
     function: ring_single
   spacing: 5.0
diff --git a/test-data-regression/test_settings_ring_single_heater_.yml b/test-data-regression/test_settings_ring_single_heater_.yml
index a47bcb334..4694ba290 100644
--- a/test-data-regression/test_settings_ring_single_heater_.yml
+++ b/test-data-regression/test_settings_ring_single_heater_.yml
@@ -14,7 +14,6 @@ settings:
   gap: 0.2
   length_x: 4.0
   length_y: 0.6
-  port_orientation: null
   radius: 10.0
   straight:
     function: straight
diff --git a/test-data-regression/test_settings_rotate_.yml b/test-data-regression/test_settings_rotate_.yml
index 3c9f15c53..8435dac8b 100644
--- a/test-data-regression/test_settings_rotate_.yml
+++ b/test-data-regression/test_settings_rotate_.yml
@@ -15,10 +15,7 @@ settings:
       combiner:
         function: mmi2x2
       cross_section: xs_sc
-      cross_section_x_bot: null
-      cross_section_x_top: null
       delta_length: 10.0
-      extend_ports_straight_x: null
       length_x: 100
       length_y: 2.0
       min_length: 0.01
@@ -32,8 +29,6 @@ settings:
         function: mmi2x2
       straight:
         function: straight
-      straight_x_bot: null
       straight_x_top: straight_heater_metal
-      straight_y: null
       with_splitter: true
   recenter: false
diff --git a/test-data-regression/test_settings_snspd_.yml b/test-data-regression/test_settings_snspd_.yml
index 558274448..cd343a462 100644
--- a/test-data-regression/test_settings_snspd_.yml
+++ b/test-data-regression/test_settings_snspd_.yml
@@ -11,7 +11,6 @@ settings:
   layer:
   - 1
   - 0
-  num_squares: null
   size:
   - 10
   - 8
diff --git a/test-data-regression/test_settings_spiral_double_.yml b/test-data-regression/test_settings_spiral_double_.yml
index 0ae22b433..18a5dc17f 100644
--- a/test-data-regression/test_settings_spiral_double_.yml
+++ b/test-data-regression/test_settings_spiral_double_.yml
@@ -7,7 +7,6 @@ settings:
   bend:
     function: bend_circular
   cross_section: xs_sc
-  min_bend_radius: null
   npoints: 1000
   number_of_loops: 3
   separation: 2.0
diff --git a/test-data-regression/test_settings_spiral_external_io_.yml b/test-data-regression/test_settings_spiral_external_io_.yml
index 21eef9671..1e60022e7 100644
--- a/test-data-regression/test_settings_spiral_external_io_.yml
+++ b/test-data-regression/test_settings_spiral_external_io_.yml
@@ -9,7 +9,6 @@ settings:
     function: bend_euler
   cross_section: xs_sc
   inner_loop_spacing_offset: 0.0
-  length: null
   mirror_straight: false
   with_inner_ports: false
   x_inner_length_cutback: 300.0
diff --git a/test-data-regression/test_settings_spiral_inner_io_.yml b/test-data-regression/test_settings_spiral_inner_io_.yml
index 26bf2aa22..bd607475b 100644
--- a/test-data-regression/test_settings_spiral_inner_io_.yml
+++ b/test-data-regression/test_settings_spiral_inner_io_.yml
@@ -14,10 +14,7 @@ settings:
   bend90:
     function: bend_euler
   cross_section: xs_sc
-  cross_section_bend: null
-  cross_section_bend180: null
   grating_spacing: 127.0
-  length: null
   straight:
     function: straight
   waveguide_spacing: 3.0
diff --git a/test-data-regression/test_settings_spiral_inner_io_fiber_array_.yml b/test-data-regression/test_settings_spiral_inner_io_fiber_array_.yml
index 20dd8be09..00b4901a0 100644
--- a/test-data-regression/test_settings_spiral_inner_io_fiber_array_.yml
+++ b/test-data-regression/test_settings_spiral_inner_io_fiber_array_.yml
@@ -18,8 +18,6 @@ settings:
   bend90:
     function: bend_euler
   cross_section: xs_sc
-  cross_section_bend: null
-  cross_section_bend180: null
   cross_section_loopback: xs_sc
   grating_spacing: 127.0
   length: 20000.0
diff --git a/test-data-regression/test_settings_spiral_inner_io_fiber_single_.yml b/test-data-regression/test_settings_spiral_inner_io_fiber_single_.yml
index d50526342..6afc4d719 100644
--- a/test-data-regression/test_settings_spiral_inner_io_fiber_single_.yml
+++ b/test-data-regression/test_settings_spiral_inner_io_fiber_single_.yml
@@ -5,8 +5,6 @@ module: gdsfactory.components.spiral_inner_io
 name: spiral_inner_io_fiber_single
 settings:
   cross_section: xs_sc
-  cross_section_bend: null
-  cross_section_ports: null
   grating_spacing: 200.0
   x_straight_inner_left: 75.0
   x_straight_inner_right: 40.0
diff --git a/test-data-regression/test_settings_spiral_meander_.yml b/test-data-regression/test_settings_spiral_meander_.yml
index 66f494cb2..d35f69bc7 100644
--- a/test-data-regression/test_settings_spiral_meander_.yml
+++ b/test-data-regression/test_settings_spiral_meander_.yml
@@ -14,16 +14,11 @@ settings:
   extension_length: 15.0
   heater_taper_length: 10.0
   heater_width: 2.5
-  layer_heater: null
   length: 1000.0
   n: 3
-  port_orientation1: null
-  port_orientation2: null
-  radius: null
   spacing: 2.0
   straight:
     function: straight
-  straight_widths: null
   taper:
     function: taper_cross_section
     module: gdsfactory.components.taper_cross_section
diff --git a/test-data-regression/test_settings_spiral_racetrack_fixed_length_.yml b/test-data-regression/test_settings_spiral_racetrack_fixed_length_.yml
index f28554171..d354ce0fd 100644
--- a/test-data-regression/test_settings_spiral_racetrack_fixed_length_.yml
+++ b/test-data-regression/test_settings_spiral_racetrack_fixed_length_.yml
@@ -10,12 +10,10 @@ settings:
   bend_s_factory:
     function: bend_s
   cross_section: xs_sc
-  cross_section_s: null
   in_out_port_spacing: 150
   length: 1000
   min_radius: 5.0
   min_spacing: 5.0
-  n_bend_points: null
   n_straight_sections: 8
   straight_factory:
     function: straight
diff --git a/test-data-regression/test_settings_spiral_racetrack_heater_doped_.yml b/test-data-regression/test_settings_spiral_racetrack_heater_doped_.yml
index af2479d77..d3e6838b2 100644
--- a/test-data-regression/test_settings_spiral_racetrack_heater_doped_.yml
+++ b/test-data-regression/test_settings_spiral_racetrack_heater_doped_.yml
@@ -8,7 +8,6 @@ settings:
   bend_s_factory:
     function: bend_s
   heater_cross_section: xs_npp
-  min_radius: null
   num: 8
   spacing: 2
   straight_factory:
diff --git a/test-data-regression/test_settings_spiral_racetrack_heater_metal_.yml b/test-data-regression/test_settings_spiral_racetrack_heater_metal_.yml
index 43ee8c1a8..164daeb5a 100644
--- a/test-data-regression/test_settings_spiral_racetrack_heater_metal_.yml
+++ b/test-data-regression/test_settings_spiral_racetrack_heater_metal_.yml
@@ -8,7 +8,6 @@ settings:
   bend_s_factory:
     function: bend_s
   heater_cross_section: xs_heater_metal
-  min_radius: null
   num: 8
   spacing: 2
   straight_factory:
diff --git a/test-data-regression/test_settings_splitter_tree_.yml b/test-data-regression/test_settings_splitter_tree_.yml
index eddb28892..7d8b9b040 100644
--- a/test-data-regression/test_settings_splitter_tree_.yml
+++ b/test-data-regression/test_settings_splitter_tree_.yml
@@ -5,7 +5,6 @@ name: splitter_tree
 settings:
   bend_s:
     function: bend_s
-  bend_s_xsize: null
   coupler:
     function: mmi1x2
   cross_section: xs_sc
diff --git a/test-data-regression/test_settings_straight_heater_doped_rib_.yml b/test-data-regression/test_settings_straight_heater_doped_rib_.yml
index f786531f7..7dcb536f3 100644
--- a/test-data-regression/test_settings_straight_heater_doped_rib_.yml
+++ b/test-data-regression/test_settings_straight_heater_doped_rib_.yml
@@ -11,20 +11,16 @@ settings:
       radius_min: 5
       sections:
       - hidden: false
-        insets: null
         layer: SLAB90
         name: slab
         offset: 0
-        offset_function: null
         port_names:
         - null
         - null
         port_types:
         - optical
         - optical
-        simplify: null
         width: 0.2
-        width_function: null
   cross_section_heater:
     function: rib_heater_doped
   heater_gap: 0.8
diff --git a/test-data-regression/test_settings_straight_heater_doped_strip_.yml b/test-data-regression/test_settings_straight_heater_doped_strip_.yml
index af3d19f4e..023c0a989 100644
--- a/test-data-regression/test_settings_straight_heater_doped_strip_.yml
+++ b/test-data-regression/test_settings_straight_heater_doped_strip_.yml
@@ -11,20 +11,16 @@ settings:
       radius_min: 5
       sections:
       - hidden: false
-        insets: null
         layer: SLAB90
         name: slab
         offset: 0
-        offset_function: null
         port_names:
         - null
         - null
         port_types:
         - optical
         - optical
-        simplify: null
         width: 0.2
-        width_function: null
   cross_section_heater:
     function: strip_heater_doped
   heater_gap: 0.8
diff --git a/test-data-regression/test_settings_straight_heater_meander_.yml b/test-data-regression/test_settings_straight_heater_meander_.yml
index 5c68ba0fd..305f644b4 100644
--- a/test-data-regression/test_settings_straight_heater_meander_.yml
+++ b/test-data-regression/test_settings_straight_heater_meander_.yml
@@ -16,10 +16,6 @@ settings:
   heater_width: 2.5
   layer_heater: HEATER
   length: 300.0
-  n: null
-  port_orientation1: null
-  port_orientation2: null
-  radius: null
   spacing: 2.0
   straight:
     function: straight
diff --git a/test-data-regression/test_settings_straight_heater_meander_doped_.yml b/test-data-regression/test_settings_straight_heater_meander_doped_.yml
index 9c89500fb..ad4d25419 100644
--- a/test-data-regression/test_settings_straight_heater_meander_doped_.yml
+++ b/test-data-regression/test_settings_straight_heater_meander_doped_.yml
@@ -11,8 +11,6 @@ settings:
   - PP
   - PPP
   length: 300.0
-  port_orientation1: null
-  port_orientation2: null
   radius: 5.0
   spacing: 2.0
   straight_widths:
diff --git a/test-data-regression/test_settings_straight_heater_metal_.yml b/test-data-regression/test_settings_straight_heater_metal_.yml
index 3a66e0370..cc4cdb243 100644
--- a/test-data-regression/test_settings_straight_heater_metal_.yml
+++ b/test-data-regression/test_settings_straight_heater_metal_.yml
@@ -14,9 +14,6 @@ settings:
   length_straight_input: 0.1
   length_undercut: 5
   length_undercut_spacing: 0
-  ohms_per_square: null
-  port_orientation1: null
-  port_orientation2: null
   straight:
     function: straight
   via_stack: via_stack_heater_mtop
diff --git a/test-data-regression/test_settings_straight_heater_metal_90_90_.yml b/test-data-regression/test_settings_straight_heater_metal_90_90_.yml
index 8f8a9a963..068a7b8e5 100644
--- a/test-data-regression/test_settings_straight_heater_metal_90_90_.yml
+++ b/test-data-regression/test_settings_straight_heater_metal_90_90_.yml
@@ -14,7 +14,6 @@ settings:
   length_straight_input: 0.1
   length_undercut: 5
   length_undercut_spacing: 0
-  ohms_per_square: null
   port_orientation1: 90
   port_orientation2: 90
   straight:
diff --git a/test-data-regression/test_settings_straight_heater_metal_simple_.yml b/test-data-regression/test_settings_straight_heater_metal_simple_.yml
index 41f7d0d80..fab03c060 100644
--- a/test-data-regression/test_settings_straight_heater_metal_simple_.yml
+++ b/test-data-regression/test_settings_straight_heater_metal_simple_.yml
@@ -8,9 +8,6 @@ settings:
   cross_section_waveguide_heater: xs_sc_heater_metal
   heater_taper_length: 5.0
   length: 320.0
-  ohms_per_square: null
-  port_orientation1: null
-  port_orientation2: null
   straight:
     function: straight
   via_stack: via_stack_heater_mtop
diff --git a/test-data-regression/test_settings_straight_heater_metal_undercut_.yml b/test-data-regression/test_settings_straight_heater_metal_undercut_.yml
index 8b55457fb..1e5461417 100644
--- a/test-data-regression/test_settings_straight_heater_metal_undercut_.yml
+++ b/test-data-regression/test_settings_straight_heater_metal_undercut_.yml
@@ -14,9 +14,6 @@ settings:
   length_straight_input: 15.0
   length_undercut: 30.0
   length_undercut_spacing: 6.0
-  ohms_per_square: null
-  port_orientation1: null
-  port_orientation2: null
   straight:
     function: straight
   via_stack: via_stack_heater_mtop
diff --git a/test-data-regression/test_settings_straight_heater_metal_undercut_90_90_.yml b/test-data-regression/test_settings_straight_heater_metal_undercut_90_90_.yml
index c058bd2a7..3d64dac7a 100644
--- a/test-data-regression/test_settings_straight_heater_metal_undercut_90_90_.yml
+++ b/test-data-regression/test_settings_straight_heater_metal_undercut_90_90_.yml
@@ -14,7 +14,6 @@ settings:
   length_straight_input: 15.0
   length_undercut: 30.0
   length_undercut_spacing: 6.0
-  ohms_per_square: null
   port_orientation1: 90
   port_orientation2: 90
   straight:
diff --git a/test-data-regression/test_settings_straight_pin_slot_.yml b/test-data-regression/test_settings_straight_pin_slot_.yml
index 9cd817672..10ee3acff 100644
--- a/test-data-regression/test_settings_straight_pin_slot_.yml
+++ b/test-data-regression/test_settings_straight_pin_slot_.yml
@@ -40,9 +40,6 @@ settings:
         module: gdsfactory.components.via
         settings:
           layer: VIAC
-  via_stack_slab_bot: null
   via_stack_slab_spacing: 2.0
-  via_stack_slab_top: null
-  via_stack_slab_width: null
   via_stack_spacing: 3.0
   via_stack_width: 10.0
diff --git a/test-data-regression/test_settings_straight_rib_.yml b/test-data-regression/test_settings_straight_rib_.yml
index 21e53d3cc..7dfcbd806 100644
--- a/test-data-regression/test_settings_straight_rib_.yml
+++ b/test-data-regression/test_settings_straight_rib_.yml
@@ -7,7 +7,7 @@ info:
   route_info_xs_8bf2c479_length: 10.0
   width: 0.5
 module: gdsfactory.components.straight
-name: straight_7692a032
+name: straight_fee9dcda
 settings:
   cross_section:
     function: cross_section
@@ -17,11 +17,9 @@ settings:
       radius_min: 20
       sections:
       - hidden: false
-        insets: null
         layer: SLAB90
         name: slab
         offset: 0
-        offset_function: null
         port_names:
         - null
         - null
@@ -30,6 +28,5 @@ settings:
         - optical
         simplify: 0.05
         width: 6.0
-        width_function: null
   length: 10.0
   npoints: 2
diff --git a/test-data-regression/test_settings_straight_rib_tapered_.yml b/test-data-regression/test_settings_straight_rib_tapered_.yml
index ea05143b8..f8ef83cd6 100644
--- a/test-data-regression/test_settings_straight_rib_tapered_.yml
+++ b/test-data-regression/test_settings_straight_rib_tapered_.yml
@@ -7,7 +7,7 @@ info:
   route_info_xs_8bf2c479_length: 10.0
   width: 0.5
 module: gdsfactory.components.extension
-name: straight_extend_ports_ac2a7b25
+name: straight_extend_ports_25a2eee1
 settings:
   centered: false
   component:
@@ -22,11 +22,9 @@ settings:
           radius_min: 20
           sections:
           - hidden: false
-            insets: null
             layer: SLAB90
             name: slab
             offset: 0
-            offset_function: null
             port_names:
             - null
             - null
@@ -35,13 +33,9 @@ settings:
             - optical
             simplify: 0.05
             width: 6.0
-            width_function: null
-  cross_section: null
   extension:
     function: taper_strip_to_ridge
-  extension_port_names: null
   length: 5.0
   port1: o2
   port2: o1
-  port_names: null
   port_type: optical
diff --git a/test-data-regression/test_settings_switch_tree_.yml b/test-data-regression/test_settings_switch_tree_.yml
index ea6eeee5c..1dde468d6 100644
--- a/test-data-regression/test_settings_switch_tree_.yml
+++ b/test-data-regression/test_settings_switch_tree_.yml
@@ -5,7 +5,6 @@ name: splitter_tree_92783473
 settings:
   bend_s:
     function: bend_s
-  bend_s_xsize: null
   coupler:
     function: mzi
     module: gdsfactory.components.mzi
diff --git a/test-data-regression/test_settings_taper_.yml b/test-data-regression/test_settings_taper_.yml
index 778255e3d..bf07f1a8b 100644
--- a/test-data-regression/test_settings_taper_.yml
+++ b/test-data-regression/test_settings_taper_.yml
@@ -8,7 +8,6 @@ name: taper
 settings:
   cross_section: xs_sc
   length: 10.0
-  port: null
   port_names:
   - o1
   - o2
@@ -16,5 +15,4 @@ settings:
   - optical
   - optical
   width1: 0.5
-  width2: null
   with_two_ports: true
diff --git a/test-data-regression/test_settings_taper_cross_section_.yml b/test-data-regression/test_settings_taper_cross_section_.yml
index aea49a1cf..606da275f 100644
--- a/test-data-regression/test_settings_taper_cross_section_.yml
+++ b/test-data-regression/test_settings_taper_cross_section_.yml
@@ -17,20 +17,16 @@ settings:
       radius_min: 5
       sections:
       - hidden: false
-        insets: null
         layer: SLAB90
         name: slab
         offset: 0
-        offset_function: null
         port_names:
         - null
         - null
         port_types:
         - optical
         - optical
-        simplify: null
         width: 0.2
-        width_function: null
   cross_section2: xs_rc
   length: 10
   linear: false
diff --git a/test-data-regression/test_settings_taper_cross_section_linear_.yml b/test-data-regression/test_settings_taper_cross_section_linear_.yml
index 342725f5a..9e4175384 100644
--- a/test-data-regression/test_settings_taper_cross_section_linear_.yml
+++ b/test-data-regression/test_settings_taper_cross_section_linear_.yml
@@ -17,20 +17,16 @@ settings:
       radius_min: 5
       sections:
       - hidden: false
-        insets: null
         layer: SLAB90
         name: slab
         offset: 0
-        offset_function: null
         port_names:
         - null
         - null
         port_types:
         - optical
         - optical
-        simplify: null
         width: 0.2
-        width_function: null
   cross_section2: xs_rc
   length: 10
   linear: true
diff --git a/test-data-regression/test_settings_taper_cross_section_parabolic_.yml b/test-data-regression/test_settings_taper_cross_section_parabolic_.yml
index c5f38a86c..f46add981 100644
--- a/test-data-regression/test_settings_taper_cross_section_parabolic_.yml
+++ b/test-data-regression/test_settings_taper_cross_section_parabolic_.yml
@@ -17,20 +17,16 @@ settings:
       radius_min: 5
       sections:
       - hidden: false
-        insets: null
         layer: SLAB90
         name: slab
         offset: 0
-        offset_function: null
         port_names:
         - null
         - null
         port_types:
         - optical
         - optical
-        simplify: null
         width: 0.2
-        width_function: null
   cross_section2: xs_rc
   length: 10
   linear: false
diff --git a/test-data-regression/test_settings_taper_cross_section_sine_.yml b/test-data-regression/test_settings_taper_cross_section_sine_.yml
index 03cb9ea11..8147a6996 100644
--- a/test-data-regression/test_settings_taper_cross_section_sine_.yml
+++ b/test-data-regression/test_settings_taper_cross_section_sine_.yml
@@ -17,20 +17,16 @@ settings:
       radius_min: 5
       sections:
       - hidden: false
-        insets: null
         layer: SLAB90
         name: slab
         offset: 0
-        offset_function: null
         port_names:
         - null
         - null
         port_types:
         - optical
         - optical
-        simplify: null
         width: 0.2
-        width_function: null
   cross_section2: xs_rc
   length: 10
   linear: false
diff --git a/test-data-regression/test_settings_terminator_.yml b/test-data-regression/test_settings_terminator_.yml
index 3d7107ff9..b49297df8 100644
--- a/test-data-regression/test_settings_terminator_.yml
+++ b/test-data-regression/test_settings_terminator_.yml
@@ -9,7 +9,6 @@ settings:
     settings:
       radius: 10
       radius_min: 5
-  cross_section_tip: null
   doping_layers:
   - NPP
   doping_offset: 1.0
diff --git a/test-data-regression/test_settings_text_.yml b/test-data-regression/test_settings_text_.yml
index 80e41fc75..3f33542f8 100644
--- a/test-data-regression/test_settings_text_.yml
+++ b/test-data-regression/test_settings_text_.yml
@@ -5,7 +5,6 @@ name: text
 settings:
   justify: left
   layer: WG
-  layers: null
   position:
   - 0
   - 0
diff --git a/test-data-regression/test_settings_text_freetype_.yml b/test-data-regression/test_settings_text_freetype_.yml
index 750c9c7ff..471a325af 100644
--- a/test-data-regression/test_settings_text_freetype_.yml
+++ b/test-data-regression/test_settings_text_freetype_.yml
@@ -6,6 +6,5 @@ settings:
   font: OCR-A
   justify: left
   layer: WG
-  layers: null
   size: 10
   text: abcd
diff --git a/test-data-regression/test_settings_text_rectangular_.yml b/test-data-regression/test_settings_text_rectangular_.yml
index b9789f46d..771b860f8 100644
--- a/test-data-regression/test_settings_text_rectangular_.yml
+++ b/test-data-regression/test_settings_text_rectangular_.yml
@@ -7,7 +7,6 @@ settings:
     function: rectangular_font
   justify: left
   layer: WG
-  layers: null
   position:
   - 0.0
   - 0.0
diff --git a/test-data-regression/test_settings_triangle_.yml b/test-data-regression/test_settings_triangle_.yml
index ad4d2f998..e470926cc 100644
--- a/test-data-regression/test_settings_triangle_.yml
+++ b/test-data-regression/test_settings_triangle_.yml
@@ -4,7 +4,6 @@ module: gdsfactory.components.triangles
 name: triangle
 settings:
   layer: WG
-  layers: null
   x: 10
   xtop: 0
   y: 20
diff --git a/test-data-regression/test_settings_via1_.yml b/test-data-regression/test_settings_via1_.yml
index b8be08d56..b04b75837 100644
--- a/test-data-regression/test_settings_via1_.yml
+++ b/test-data-regression/test_settings_via1_.yml
@@ -14,11 +14,7 @@ info:
 module: gdsfactory.components.via
 name: via_enclosure2_layerVIA1
 settings:
-  bbox_layers: null
-  bbox_offset: null
-  bbox_offsets: null
   enclosure: 2
-  gap: null
   layer: VIA1
   size:
   - 0.7
diff --git a/test-data-regression/test_settings_via2_.yml b/test-data-regression/test_settings_via2_.yml
index e897b9b2d..8957c3ac0 100644
--- a/test-data-regression/test_settings_via2_.yml
+++ b/test-data-regression/test_settings_via2_.yml
@@ -14,11 +14,7 @@ info:
 module: gdsfactory.components.via
 name: via_layerVIA2
 settings:
-  bbox_layers: null
-  bbox_offset: null
-  bbox_offsets: null
   enclosure: 1.0
-  gap: null
   layer: VIA2
   size:
   - 0.7
diff --git a/test-data-regression/test_settings_via_.yml b/test-data-regression/test_settings_via_.yml
index 2f4f3e537..bbfefc8c1 100644
--- a/test-data-regression/test_settings_via_.yml
+++ b/test-data-regression/test_settings_via_.yml
@@ -14,11 +14,7 @@ info:
 module: gdsfactory.components.via
 name: via
 settings:
-  bbox_layers: null
-  bbox_offset: null
-  bbox_offsets: null
   enclosure: 1.0
-  gap: null
   layer: VIAC
   size:
   - 0.7
diff --git a/test-data-regression/test_settings_via_stack_.yml b/test-data-regression/test_settings_via_stack_.yml
index abdf3a5b3..08d7cfde1 100644
--- a/test-data-regression/test_settings_via_stack_.yml
+++ b/test-data-regression/test_settings_via_stack_.yml
@@ -10,8 +10,6 @@ module: gdsfactory.components.via_stack
 name: via_stack
 settings:
   correct_size: true
-  layer_offsets: null
-  layer_port: null
   layers:
   - M1
   - M2
diff --git a/test-data-regression/test_settings_via_stack_corner45_.yml b/test-data-regression/test_settings_via_stack_corner45_.yml
index f4b62b8e0..fb9594323 100644
--- a/test-data-regression/test_settings_via_stack_corner45_.yml
+++ b/test-data-regression/test_settings_via_stack_corner45_.yml
@@ -5,8 +5,6 @@ module: gdsfactory.components.via_stack
 name: via_stack_corner45
 settings:
   correct_size: true
-  layer_offsets: null
-  layer_port: null
   layers:
   - M1
   - M2
diff --git a/test-data-regression/test_settings_via_stack_from_rules_.yml b/test-data-regression/test_settings_via_stack_from_rules_.yml
index 279296eb1..50206fae2 100644
--- a/test-data-regression/test_settings_via_stack_from_rules_.yml
+++ b/test-data-regression/test_settings_via_stack_from_rules_.yml
@@ -6,8 +6,6 @@ info:
 module: gdsfactory.components.via_stack
 name: via_stack_from_rules
 settings:
-  layer_offsets: null
-  layer_port: null
   layers:
   - M1
   - M2
diff --git a/test-data-regression/test_settings_via_stack_heater_m2_.yml b/test-data-regression/test_settings_via_stack_heater_m2_.yml
index c7ad01b2b..13dbe656a 100644
--- a/test-data-regression/test_settings_via_stack_heater_m2_.yml
+++ b/test-data-regression/test_settings_via_stack_heater_m2_.yml
@@ -10,8 +10,6 @@ module: gdsfactory.components.via_stack
 name: via_stack_299d6cc0
 settings:
   correct_size: true
-  layer_offsets: null
-  layer_port: null
   layers:
   - HEATER
   - M2
diff --git a/test-data-regression/test_settings_via_stack_heater_m3_.yml b/test-data-regression/test_settings_via_stack_heater_m3_.yml
index d84d146c3..f93211449 100644
--- a/test-data-regression/test_settings_via_stack_heater_m3_.yml
+++ b/test-data-regression/test_settings_via_stack_heater_m3_.yml
@@ -10,8 +10,6 @@ module: gdsfactory.components.via_stack
 name: via_stack_7bdb8e37
 settings:
   correct_size: true
-  layer_offsets: null
-  layer_port: null
   layers:
   - HEATER
   - M2
diff --git a/test-data-regression/test_settings_via_stack_heater_mtop_.yml b/test-data-regression/test_settings_via_stack_heater_mtop_.yml
index d84d146c3..f93211449 100644
--- a/test-data-regression/test_settings_via_stack_heater_mtop_.yml
+++ b/test-data-regression/test_settings_via_stack_heater_mtop_.yml
@@ -10,8 +10,6 @@ module: gdsfactory.components.via_stack
 name: via_stack_7bdb8e37
 settings:
   correct_size: true
-  layer_offsets: null
-  layer_port: null
   layers:
   - HEATER
   - M2
diff --git a/test-data-regression/test_settings_via_stack_slab_m3_.yml b/test-data-regression/test_settings_via_stack_slab_m3_.yml
index 4a3f1f991..82eddf4e5 100644
--- a/test-data-regression/test_settings_via_stack_slab_m3_.yml
+++ b/test-data-regression/test_settings_via_stack_slab_m3_.yml
@@ -10,8 +10,6 @@ module: gdsfactory.components.via_stack
 name: via_stack_a292abbc
 settings:
   correct_size: true
-  layer_offsets: null
-  layer_port: null
   layers:
   - SLAB90
   - M1
diff --git a/test-data-regression/test_settings_via_stack_slot_.yml b/test-data-regression/test_settings_via_stack_slot_.yml
index d4ce41534..86c13c5ef 100644
--- a/test-data-regression/test_settings_via_stack_slot_.yml
+++ b/test-data-regression/test_settings_via_stack_slot_.yml
@@ -12,9 +12,6 @@ settings:
   layer_offsets:
   - 0
   - 1.0
-  layer_offsetsx: null
-  layer_offsetsy: null
-  layer_port: null
   layers:
   - M1
   - M2
diff --git a/test-data-regression/test_settings_via_stack_slot_m1_m2_.yml b/test-data-regression/test_settings_via_stack_slot_m1_m2_.yml
index d4ce41534..86c13c5ef 100644
--- a/test-data-regression/test_settings_via_stack_slot_m1_m2_.yml
+++ b/test-data-regression/test_settings_via_stack_slot_m1_m2_.yml
@@ -12,9 +12,6 @@ settings:
   layer_offsets:
   - 0
   - 1.0
-  layer_offsetsx: null
-  layer_offsetsy: null
-  layer_port: null
   layers:
   - M1
   - M2
diff --git a/test-data-regression/test_settings_via_stack_with_offset_.yml b/test-data-regression/test_settings_via_stack_with_offset_.yml
index 8c3b33a98..b43e816da 100644
--- a/test-data-regression/test_settings_via_stack_with_offset_.yml
+++ b/test-data-regression/test_settings_via_stack_with_offset_.yml
@@ -3,15 +3,12 @@ info: {}
 module: gdsfactory.components.via_stack_with_offset
 name: via_stack_with_offset
 settings:
-  layer_offsets: null
   layers:
   - PPP
   - M1
-  offsets: null
   size:
   - 10
   - 10
-  sizes: null
   vias:
   - null
   - function: via
diff --git a/test-data-regression/test_settings_viac_.yml b/test-data-regression/test_settings_viac_.yml
index 2f4f3e537..bbfefc8c1 100644
--- a/test-data-regression/test_settings_viac_.yml
+++ b/test-data-regression/test_settings_viac_.yml
@@ -14,11 +14,7 @@ info:
 module: gdsfactory.components.via
 name: via
 settings:
-  bbox_layers: null
-  bbox_offset: null
-  bbox_offsets: null
   enclosure: 1.0
-  gap: null
   layer: VIAC
   size:
   - 0.7
diff --git a/test-data-regression/test_settings_wafer_.yml b/test-data-regression/test_settings_wafer_.yml
index 320419721..3eb6c5240 100644
--- a/test-data-regression/test_settings_wafer_.yml
+++ b/test-data-regression/test_settings_wafer_.yml
@@ -15,5 +15,3 @@ settings:
   die_name_col_row: false
   reticle:
     function: die
-  xspacing: null
-  yspacing: null
diff --git a/test-data-regression/test_settings_wire_corner45_.yml b/test-data-regression/test_settings_wire_corner45_.yml
index 9d0aeade7..96940ea73 100644
--- a/test-data-regression/test_settings_wire_corner45_.yml
+++ b/test-data-regression/test_settings_wire_corner45_.yml
@@ -5,7 +5,5 @@ module: gdsfactory.components.wire
 name: wire_corner45
 settings:
   cross_section: xs_metal_routing
-  layer: null
   radius: 10
-  width: null
   with_corner90_ports: true
diff --git a/tests/gds/mzi2x2.gds b/tests/gds/mzi2x2.gds
index a0676f947d9dcd7bbccfd15dcd651fbc637b46c9..bb7cb7713dd9770eb14cf1a325c7cada7745ee6c 100644
GIT binary patch
delta 231
zcmX?LaKK<gCliN>v0<XQVQTW^iA-7ujx?j><U35#90n<=mPv+2Mw9<DDRHExrJAN1
zrWj8K$vQD3$)+-^AoNZ|=ImuQK^XFrS&0K^LaI?}qWR?4KtpU;5Qc1yXGvq6%+Jq*
zu;(DJ{Nx?{ftxS0UgAJ#Jjk0jc`0Ak<lp>!a7#A}3fyC7hq`w10bYg4PW<Z3EG!HF
DTq;9V

delta 242
zcmX?LaKK<gCliOMp@mtZQKI?eiA-7ujx?j><U35#9A*Y)sm7LxhLis@DREeun<iSM
zBw0=d$vQD3$)+-^AoNZ|=ImuQK^XFrS&75k)I8b1JjrnKYoH-EEC@q3$Frm{ZnkE7
zz%h9uf7WDvejbFzwS4lE#U#`x%d^RVCEzYu%a=6SnvIVQ;)}_O{KA`)*v_&eYys&E
L<5Op5VPOCOF*raa

diff --git a/tests/gds/mzi2x2.yml b/tests/gds/mzi2x2.yml
index d5964c331..1f0e7eec4 100644
--- a/tests/gds/mzi2x2.yml
+++ b/tests/gds/mzi2x2.yml
@@ -1,28 +1,21 @@
 cells:
-  bend_euler_5186a2a7:
+  bend_euler_431a71ec:
     angle: 90.0
     cross_section:
-      bbox_layers: null
-      bbox_offsets: null
       components_along_path: []
       radius: 10.0
-      radius_min: null
       sections:
       - hidden: false
-        insets: null
         layer: WG
         name: _default
         offset: 0.0
-        offset_function: null
         port_names:
         - o1
         - o2
         port_types:
         - optical
         - optical
-        simplify: null
         width: 0.5
-        width_function: null
     direction: ccw
     npoints: null
     p: 0.5
@@ -80,7 +73,6 @@ cells:
         length_taper: 10.0
         taper:
           function: taper
-        width: null
         width_mmi: 2.5
         width_taper: 1.0
     straight:
@@ -89,94 +81,73 @@ cells:
     straight_x_top: null
     straight_y: null
     with_splitter: true
-  straight_5d53fdc2:
-    cross_section:
-      function: cross_section
-    length: 7.0
-    npoints: 2
-  straight_606e39a1:
+  straight_0de9b122:
     cross_section:
-      bbox_layers: null
-      bbox_offsets: null
       components_along_path: []
       radius: 10.0
-      radius_min: null
       sections:
       - hidden: false
-        insets: null
         layer: WG
         name: _default
         offset: 0.0
-        offset_function: null
         port_names:
         - o1
         - o2
         port_types:
         - optical
         - optical
-        simplify: null
         width: 0.5
-        width_function: null
     length: 0.01
     npoints: 2
-  straight_757c07b1:
+  straight_5d53fdc2:
+    cross_section:
+      function: cross_section
+    length: 7.0
+    npoints: 2
+  straight_5e1e2ea7:
     cross_section:
-      bbox_layers: null
-      bbox_offsets: null
       components_along_path: []
       radius: 10.0
-      radius_min: null
       sections:
       - hidden: false
-        insets: null
         layer: WG
         name: _default
         offset: 0.0
-        offset_function: null
         port_names:
         - o1
         - o2
         port_types:
         - optical
         - optical
-        simplify: null
         width: 0.5
-        width_function: null
     length: 7.0
     npoints: 2
-  straight_975a8db9:
+  straight_dcfdf04b:
+    cross_section:
+      function: cross_section
+    length: 0.1
+    npoints: 2
+  straight_ebcc6dc8:
+    cross_section:
+      function: cross_section
+    length: 2.0
+    npoints: 2
+  straight_efe5e1d3:
     cross_section:
-      bbox_layers: null
-      bbox_offsets: null
       components_along_path: []
       radius: 10.0
-      radius_min: null
       sections:
       - hidden: false
-        insets: null
         layer: WG
         name: _default
         offset: 0.0
-        offset_function: null
         port_names:
         - o1
         - o2
         port_types:
         - optical
         - optical
-        simplify: null
         width: 0.5
-        width_function: null
-    length: 2.0
-    npoints: 2
-  straight_dcfdf04b:
-    cross_section:
-      function: cross_section
-    length: 0.1
-    npoints: 2
-  straight_ebcc6dc8:
-    cross_section:
-      function: cross_section
     length: 2.0
     npoints: 2
 function: mzi
@@ -213,13 +184,9 @@ settings:
   add_optical_ports_arms: false
   bend:
     function: bend_euler
-  combiner: null
   cross_section:
     function: cross_section
-  cross_section_x_bot: null
-  cross_section_x_top: null
   delta_length: 10.0
-  extend_ports_straight_x: null
   length_x: 0.1
   length_y: 2.0
   min_length: 0.01
@@ -240,12 +207,8 @@ settings:
       length_taper: 10.0
       taper:
         function: taper
-      width: null
       width_mmi: 2.5
       width_taper: 1.0
   straight:
     function: straight
-  straight_x_bot: null
-  straight_x_top: null
-  straight_y: null
   with_splitter: true

From c55b15b0ead56bf5f23b8cee69d6f8e6aa6d9434 Mon Sep 17 00:00:00 2001
From: Joaquin Matres <4514346+joamatab@users.noreply.github.com>
Date: Wed, 29 May 2024 09:43:17 -0700
Subject: [PATCH 4/8] fix test_pdks

---
 .github/workflows/test_pdks.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/test_pdks.yml b/.github/workflows/test_pdks.yml
index aa79be411..036d139c1 100644
--- a/.github/workflows/test_pdks.yml
+++ b/.github/workflows/test_pdks.yml
@@ -13,7 +13,7 @@ concurrency:
 jobs:
   test:
     runs-on: ubuntu-latest
-    container: ghcr.io/gdsfactory/gdsfactory:main
+    container: ghcr.io/gdsfactory/gdsfactory7:main
     strategy:
       fail-fast: false
       matrix:

From 1787e36087577b47a3949c04a943f14a566650d5 Mon Sep 17 00:00:00 2001
From: Joaquin Matres <4514346+joamatab@users.noreply.github.com>
Date: Wed, 29 May 2024 09:49:25 -0700
Subject: [PATCH 5/8] fix test

---
 test-data-regression/test_read_gds_with_settings2.yml | 1 -
 1 file changed, 1 deletion(-)

diff --git a/test-data-regression/test_read_gds_with_settings2.yml b/test-data-regression/test_read_gds_with_settings2.yml
index d339c048b..63f3410b4 100644
--- a/test-data-regression/test_read_gds_with_settings2.yml
+++ b/test-data-regression/test_read_gds_with_settings2.yml
@@ -30,7 +30,6 @@ settings:
       length_taper: 10.0
       taper:
         function: taper
-      width: null
       width_mmi: 2.5
       width_taper: 1.0
   straight:

From 65aaeac6f5350000a0fd9de8b9f0b5e56dd58367 Mon Sep 17 00:00:00 2001
From: Joaquin Matres <4514346+joamatab@users.noreply.github.com>
Date: Wed, 29 May 2024 09:57:33 -0700
Subject: [PATCH 6/8] Bump to 7.27.1

---
 .devcontainer/Dockerfile                               | 2 +-
 .github/workflows/release.yml                          | 4 ++--
 CHANGELOG.md                                           | 5 +++++
 README.md                                              | 2 +-
 gdsfactory/config.py                                   | 2 +-
 gdsfactory/generic_tech/klayout/grain.xml              | 2 +-
 gdsfactory/generic_tech/klayout/pymacros/set_menus.lym | 2 +-
 notebooks/08_pdk.ipynb                                 | 2 +-
 pyproject.toml                                         | 4 ++--
 9 files changed, 15 insertions(+), 10 deletions(-)

diff --git a/.devcontainer/Dockerfile b/.devcontainer/Dockerfile
index 93142bf41..25256222e 100644
--- a/.devcontainer/Dockerfile
+++ b/.devcontainer/Dockerfile
@@ -1 +1 @@
-FROM joamatab/gdsfactory:7.27.0
+FROM joamatab/gdsfactory:7.27.1
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index fe2b99e3a..6fa0fad31 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -46,14 +46,14 @@ jobs:
         uses: docker/build-push-action@v5
         with:
           push: true
-          tags: ${{ secrets.DOCKERHUB_USERNAME }}/gdsfactory:latest,${{ secrets.DOCKERHUB_USERNAME }}/gdsfactory:7.27.0
+          tags: ${{ secrets.DOCKERHUB_USERNAME }}/gdsfactory:latest,${{ secrets.DOCKERHUB_USERNAME }}/gdsfactory:7.27.1
           file: .devcontainer/Dockerfile.dev
       - name: Build and push minimal
         id: docker_build_minimal
         uses: docker/build-push-action@v5
         with:
           push: true
-          tags: ${{ secrets.DOCKERHUB_USERNAME }}/gdsfactory_minimal:latest,${{ secrets.DOCKERHUB_USERNAME }}/gdsfactory_minimal:7.27.0
+          tags: ${{ secrets.DOCKERHUB_USERNAME }}/gdsfactory_minimal:latest,${{ secrets.DOCKERHUB_USERNAME }}/gdsfactory_minimal:7.27.1
           file: .devcontainer/Dockerfile.dev_minimal
 
   release_environment:
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8a8ee0022..07aed372b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,6 +3,11 @@
 
 <!-- towncrier release notes start -->
 
+## [7.27.1](https://github.com/gdsfactory/gdsfactory/releases/tag/v7.27.1) - 2024-05-29
+
+No significant changes.
+
+
 ## [7.27.0](https://github.com/gdsfactory/gdsfactory/releases/tag/v7.27.0) - 2024-05-20
 
 - Improve get route astar [#2752](https://github.com/gdsfactory/gdsfactory/pull/2752)
diff --git a/README.md b/README.md
index e9f68f3f4..6e3a20324 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-# gdsfactory 7.27.0
+# gdsfactory 7.27.1
 
 [![docs](https://github.com/gdsfactory/gdsfactory/actions/workflows/pages.yml/badge.svg)](https://gdsfactory.github.io/gdsfactory/)
 [![PyPI](https://img.shields.io/pypi/v/gdsfactory)](https://pypi.org/project/gdsfactory/)
diff --git a/gdsfactory/config.py b/gdsfactory/config.py
index d6ef2e49c..762875980 100644
--- a/gdsfactory/config.py
+++ b/gdsfactory/config.py
@@ -32,7 +32,7 @@
 if TYPE_CHECKING:
     from loguru import Logger
 
-__version__ = "7.27.0"
+__version__ = "7.27.1"
 PathType = str | pathlib.Path
 
 home = pathlib.Path.home()
diff --git a/gdsfactory/generic_tech/klayout/grain.xml b/gdsfactory/generic_tech/klayout/grain.xml
index fecf2c3f2..72790c306 100644
--- a/gdsfactory/generic_tech/klayout/grain.xml
+++ b/gdsfactory/generic_tech/klayout/grain.xml
@@ -3,7 +3,7 @@
  <name>gdsfactory</name>
  <token/>
  <hidden>false</hidden>
- <version>7.27.0</version>
+ <version>7.27.1</version>
  <api-version/>
  <title>gdsfactory</title>
  <doc>EDA tool to layout integrated circuits</doc>
diff --git a/gdsfactory/generic_tech/klayout/pymacros/set_menus.lym b/gdsfactory/generic_tech/klayout/pymacros/set_menus.lym
index 634c45dc3..ed1cdebd1 100644
--- a/gdsfactory/generic_tech/klayout/pymacros/set_menus.lym
+++ b/gdsfactory/generic_tech/klayout/pymacros/set_menus.lym
@@ -17,7 +17,7 @@
  <text>
 import pya
 
-__version__ = "7.27.0"
+__version__ = "7.27.1"
 
 
 def set_menu():
diff --git a/notebooks/08_pdk.ipynb b/notebooks/08_pdk.ipynb
index f2d801372..31e6adebb 100644
--- a/notebooks/08_pdk.ipynb
+++ b/notebooks/08_pdk.ipynb
@@ -448,7 +448,7 @@
     "\n",
     "gdsfactory is **not** backwards compatible, which means that the package will keep improving and evolving.\n",
     "\n",
-    "1. To make your work stable you should install a specific version and [pin the version](https://martin-thoma.com/python-requirements/) in your `requirements.txt` or `pyproject.toml` as `gdsfactory==7.27.0` replacing `7.27.0` by whatever version you end up using.\n",
+    "1. To make your work stable you should install a specific version and [pin the version](https://martin-thoma.com/python-requirements/) in your `requirements.txt` or `pyproject.toml` as `gdsfactory==7.27.1` replacing `7.27.1` by whatever version you end up using.\n",
     "2. Before you upgrade gdsfactory to a newer version make sure your tests pass to make sure that things behave as expected\n",
     "\n"
    ]
diff --git a/pyproject.toml b/pyproject.toml
index 5e80920f2..d04420af5 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -54,7 +54,7 @@ license = {file = "LICENSE"}
 name = "gdsfactory"
 readme = "README.md"
 requires-python = ">=3.10"
-version = "7.27.0"
+version = "7.27.1"
 
 [project.optional-dependencies]
 cad = [
@@ -211,7 +211,7 @@ message_template = "Bump to {new_version}"
 tag_template = "v{new_version}"
 
 [tool.tbump.version]
-current = "7.27.0"
+current = "7.27.1"
 regex = '''
   (?P<major>\d+)
   \.

From ca395cc9a8aa626596f33b3fec1ec69a9dc5709c Mon Sep 17 00:00:00 2001
From: daquintero <darioaquintero@gmail.com>
Date: Thu, 31 Oct 2024 16:17:34 +0100
Subject: [PATCH 7/8] :wrench: Extend compatibility with recursive netlists

---
 README.md                 | 2 +-
 gdsfactory/get_netlist.py | 9 ++++++++-
 2 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/README.md b/README.md
index 6e3a20324..ccbfd7104 100644
--- a/README.md
+++ b/README.md
@@ -11,7 +11,7 @@
 
 ![logo](https://i.imgur.com/cN1ZWq8.png)
 
-> **⚠️ Deprecation Warning:**  
+> **⚠️ Deprecation Warning:**
 > This version of gdsfactory will only have bug fixes and minor updates. Please see [https://github.com/gdsfactory/gdsfactory](https://github.com/gdsfactory/gdsfactory) for the latest version.
 
 gdsfactory: An open source platform for end to-end chip design and validation.
diff --git a/gdsfactory/get_netlist.py b/gdsfactory/get_netlist.py
index d393267ff..b0a5d3924 100644
--- a/gdsfactory/get_netlist.py
+++ b/gdsfactory/get_netlist.py
@@ -112,6 +112,7 @@ def get_netlist(
     get_instance_name: Callable[..., str] = get_instance_name_from_alias,
     allow_multiple: bool = False,
     merge_info: bool = False,
+    extend_recursive_port_names: bool = False,
 ) -> dict[str, Any]:
     """Returns instances, connections and placements from :class:`Component` as a dict.
 
@@ -144,6 +145,7 @@ def get_netlist(
         allow_multiple: False to raise an error if more than two ports share the same connection. \
                 if True, will return key: [value] pairs with [value] a list of all connected instances.
         merge_info: True to merge info and settings into the same dict.
+        extend_recursive_port_names: Compatibility with recursive get_netlist port name identifiers.
 
     Returns:
         Dictionary containing the following:
@@ -236,7 +238,12 @@ def get_netlist(
                         # a bit of a hack... get the top-level port for the
                         # ComponentArray, by our known naming convention. I hope no one
                         # renames these ports!
-                        parent_port = component[top_name]
+                        if extend_recursive_port_names:
+                            parent_port = component[
+                                parent_port_name
+                            ]  # otherwise links to non existent component ports
+                        else:
+                            parent_port = component[top_name]
                         name2port[lower_name] = parent_port
                         top_ports_list.add(top_name)
                         ports_by_type[parent_port.port_type].append(lower_name)

From 196cca59211b4b0ae98980b7cd64ba0d99acd74c Mon Sep 17 00:00:00 2001
From: Joaquin Matres <4514346+joamatab@users.noreply.github.com>
Date: Thu, 31 Oct 2024 11:13:08 -0700
Subject: [PATCH 8/8] fix cicd

---
 .github/workflows/test_pdks.yml | 41 ---------------------------------
 README.md                       |  2 +-
 2 files changed, 1 insertion(+), 42 deletions(-)
 delete mode 100644 .github/workflows/test_pdks.yml

diff --git a/.github/workflows/test_pdks.yml b/.github/workflows/test_pdks.yml
deleted file mode 100644
index 036d139c1..000000000
--- a/.github/workflows/test_pdks.yml
+++ /dev/null
@@ -1,41 +0,0 @@
-name: Test PDKs
-
-on:
-  pull_request:
-  push:
-    branches:
-      - main
-
-concurrency:
-  group: ${{ github.workflow }}-${{ github.ref }}
-  cancel-in-progress: true
-
-jobs:
-  test:
-    runs-on: ubuntu-latest
-    container: ghcr.io/gdsfactory/gdsfactory7:main
-    strategy:
-      fail-fast: false
-      matrix:
-        repo:
-          - { owner: "gdsfactory", repo: "cspdk" }
-          - { owner: "gdsfactory", repo: "skywater130" }
-          - { owner: "gdsfactory", repo: "ubc" }
-
-    steps:
-      - name: Checkout this repository
-        uses: actions/checkout@v4
-
-      - name: Checkout other repository
-        uses: actions/checkout@v4
-        with:
-          repository: ${{ matrix.repo.owner }}/${{ matrix.repo.repo }}
-          path: other-repo
-
-      - name: Run tests
-        run: |
-          ls other-repo
-          pip install -e other-repo
-          pip install -e .
-          cd other-repo
-          pytest
diff --git a/README.md b/README.md
index ccbfd7104..021a6aac9 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-# gdsfactory 7.27.1
+# gdsfactory 7.27.2
 
 [![docs](https://github.com/gdsfactory/gdsfactory/actions/workflows/pages.yml/badge.svg)](https://gdsfactory.github.io/gdsfactory/)
 [![PyPI](https://img.shields.io/pypi/v/gdsfactory)](https://pypi.org/project/gdsfactory/)