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Add Python 3.14 built-in complete platforms for AWS Lambda #23107

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Merged
sureshjoshi merged 3 commits into from
Feb 20, 2026
+1,751 −2
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Add Python 3.14 built-in complete platforms for AWS Lambda #23107

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6dd751e
Add complete_platforms data for AWS Lambda Python 3.14
jbsilva Feb 19, 2026
12668e9
Support Python 3.14 runtime for AWS Lambda
jbsilva Feb 19, 2026
19bcea2
Merge branch 'main' into awslambda-python3.14
jbsilva Feb 19, 2026
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4 changes: 2 additions & 2 deletions docs/notes/2.32.x.md
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Expand Up @@ -53,9 +53,9 @@ Pants will attempt to only preserve the `mypy` cache when `mypy` returns a [prob

The default version of mypy used by Pants has been updated to [1.19.1](https://mypy-lang.blogspot.com/2025/11/mypy-119-released.html). This includes support for the new "Fixed‑Format" cache.

The `grpc-python-plugin` tool now uses an updated `v1.73.1` plugin built from <https://github.com/nhurden/protoc-gen-grpc-python-prebuilt]. This also brings `macos_arm64` support.

The `runtime` field of [`aws_python_lambda_layer`](https://www.pantsbuild.org/2.32/reference/targets/python_aws_lambda_layer#runtime) or [`aws_python_lambda_function`](https://www.pantsbuild.org/2.32/reference/targets/python_aws_lambda_function#runtime) now has built-in complete platform configurations for x86-64 and arm64 Python 3.14. This provides stable support for Python 3.14 lambdas out of the box, allowing deleting manual `complete_platforms` configuration if any.

The `grpc-python-plugin` tool now uses an updated `v1.73.1` plugin built from <https://github.com/nhurden/protoc-gen-grpc-python-prebuilt]. This also brings `macos_arm64` support.

#### Shell

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