diff --git a/chirp/share/model_alias_map.yaml b/chirp/share/model_alias_map.yaml
index 2f1acf34c..09cbdd311 100644
--- a/chirp/share/model_alias_map.yaml
+++ b/chirp/share/model_alias_map.yaml
@@ -123,6 +123,8 @@ Baofeng/Pofung:
   model: UV-5RE, UV-5RE+
 - alt: UV-5R
   model: UV-5RG, RK, RQ, RS, RT, RU
+- alt: Baofeng 5RM
+  model: UV-5RH Pro Max
 - alt: BF-F8HP
   model: UV-5RHP
 - alt: Radioddity UV-5RX3
diff --git a/chirp/wxui/memedit.py b/chirp/wxui/memedit.py
index ae8288d6b..3af747a7f 100644
--- a/chirp/wxui/memedit.py
+++ b/chirp/wxui/memedit.py
@@ -729,8 +729,10 @@ def __init__(self, radio, *a, **k):
 
         self._grid = ChirpMemoryGrid(self)
         self._table = ChirpGridTable(self._features, len(self._col_defs))
-        self._grid.AssignTable(self._table)
-        self._grid.SetSelectionMode(wx.grid.Grid.SelectRows)
+        # AssignTable added in wxPython 4.1, so use the older interface for
+        # earlier version support (i.e. Ubuntu Jammy)
+        self._grid.SetTable(self._table, takeOwnership=True,
+                            selmode=wx.grid.Grid.SelectRows)
         self._grid.DisableDragRowSize()
         self._grid.EnableDragCell()
         self._grid.SetFocus()