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Deprecate Python 3.9 support#378

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jonathan343 merged 1 commit into
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deprecate-3.9-v5
Apr 29, 2026
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Deprecate Python 3.9 support#378
jonathan343 merged 1 commit into
developfrom
deprecate-3.9-v5

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@Alan4506
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This PR contains the changes that will go out with our release on 2026-04-29 to finalize our Python 3.9 support deprecation. As originally announced in February 2022, we have followed a 6 month extended support model after the official end of support of a minor Python version. Afterwards, existing SDKs will continue to function as they have previously.

Customers wishing to upgrade to a version with newer features will need to migrate to Python 3.10 or later. No action should be needed as part of this deprecation, pip will manage version selection for you.

Comment thread requirements-dev-lock.txt
@@ -1,5 +1,5 @@
#
# This file is autogenerated by pip-compile with Python 3.9
# This file is autogenerated by pip-compile with Python 3.10
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Can you confirm that this file was autogenerated and not hand edited?

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Yes, this is autogenerated by running pip-compile --allow-unsafe --generate-hashes --output-file=requirements-dev-lock.txt requirements-dev.txt with Python 3.10

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Looks good. I left a clarifying question.

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@jonathan343 jonathan343 left a comment

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Thanks @Alan4506, looks good to me!

Approving, but please do not merge until 4/29.

@jonathan343 jonathan343 merged commit 6e147eb into develop Apr 29, 2026
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@jonathan343 jonathan343 deleted the deprecate-3.9-v5 branch April 29, 2026 19:42
aws-sdk-python-automation added a commit that referenced this pull request Apr 29, 2026
* release-0.17.0:
  Bumping version to 0.17.0
  Deprecate Python 3.9 support (#378)
  ci: group dependabot updates (#386)
  Update test_changelog.py
  Create test_changelog.py
  Bump actions/setup-python from 4.7.0 to 6.2.0 (#384)
  Bump github/codeql-action from 2.13.4 to 4.35.2 (#383)
  Bump actions/checkout from 5.0.0 to 6.0.2 (#380)
  Bump codecov/codecov-action from 3.1.4 to 6.0.0 (#382)
  Bump aws-actions/configure-aws-credentials from 6.0.0 to 6.1.0 (#381)
  chore: enable dependabot for pre-commit and refresh hook pins (#379)
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3 participants