diff --git a/.ci_support/linux_64_fmt10spdlog1.13.yaml b/.ci_support/linux_64_fmt10spdlog1.13.yaml
index c8f089f3..f32d01d9 100644
--- a/.ci_support/linux_64_fmt10spdlog1.13.yaml
+++ b/.ci_support/linux_64_fmt10spdlog1.13.yaml
@@ -19,6 +19,7 @@ fmt:
 numpy:
 - '1.22'
 - '1.23'
+- '1.26'
 - '1.22'
 - '1.22'
 pin_run_as_build:
@@ -31,6 +32,7 @@ pin_run_as_build:
 python:
 - 3.10.* *_cpython
 - 3.11.* *_cpython
+- 3.12.* *_cpython
 - 3.8.* *_cpython
 - 3.9.* *_cpython
 r_base:
diff --git a/.ci_support/linux_64_fmt9spdlog1.11.yaml b/.ci_support/linux_64_fmt9spdlog1.11.yaml
index 3351eaf5..59eb95f8 100644
--- a/.ci_support/linux_64_fmt9spdlog1.11.yaml
+++ b/.ci_support/linux_64_fmt9spdlog1.11.yaml
@@ -19,6 +19,7 @@ fmt:
 numpy:
 - '1.22'
 - '1.23'
+- '1.26'
 - '1.22'
 - '1.22'
 pin_run_as_build:
@@ -31,6 +32,7 @@ pin_run_as_build:
 python:
 - 3.10.* *_cpython
 - 3.11.* *_cpython
+- 3.12.* *_cpython
 - 3.8.* *_cpython
 - 3.9.* *_cpython
 r_base:
diff --git a/.ci_support/osx_arm64_.yaml b/.ci_support/osx_arm64_.yaml
index 6426811c..ba83c83c 100644
--- a/.ci_support/osx_arm64_.yaml
+++ b/.ci_support/osx_arm64_.yaml
@@ -1,5 +1,7 @@
 MACOSX_DEPLOYMENT_TARGET:
 - '11.0'
+MACOSX_SDK_VERSION:
+- '11.0'
 c_compiler:
 - clang
 c_compiler_version:
diff --git a/.gitattributes b/.gitattributes
index 7f327638..18f114a1 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -20,8 +20,8 @@ bld.bat text eol=crlf
 .travis.yml linguist-generated=true
 .scripts/* linguist-generated=true
 .woodpecker.yml linguist-generated=true
-LICENSE.txt linguist-generated=true
-README.md linguist-generated=true
+/LICENSE.txt linguist-generated=true
+/README.md linguist-generated=true
 azure-pipelines.yml linguist-generated=true
 build-locally.py linguist-generated=true
 shippable.yml linguist-generated=true
diff --git a/recipe/conda_build_config.yaml b/recipe/conda_build_config.yaml
index bd272d55..4088eb80 100644
--- a/recipe/conda_build_config.yaml
+++ b/recipe/conda_build_config.yaml
@@ -31,3 +31,22 @@ zip_keys:            # [linux]
 # manual pin below
 spdlog:              # [not linux]
   - 1.13             # [not linux]
+# The below prevents a Python 3.12 variant for the osx-* builds. We can't build
+# tiledbsoma-py for Python 3.12 on osx-* until the AWS/S3 problem introduced in
+# pyarrow 13 is resolved
+# https://github.com/single-cell-data/TileDB-SOMA/issues/1926#issuecomment-1834695149
+python:               # [osx]
+  - 3.8.* *_cpython   # [osx]
+  - 3.9.* *_cpython   # [osx]
+  - 3.10.* *_cpython  # [osx]
+  - 3.11.* *_cpython  # [osx]
+python_impl:          # [osx]
+  - cpython           # [osx]
+  - cpython           # [osx]
+  - cpython           # [osx]
+  - cpython           # [osx]
+numpy:                # [osx]
+  - 1.22              # [osx]
+  - 1.22              # [osx]
+  - 1.22              # [osx]
+  - 1.23              # [osx]