fix(lambda): remove version publish for every lambda deploy #8400
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⏳ I'm reviewing this pull request for security vulnerabilities and code quality issues. I'll provide an update when I'm done |
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reedham-aws
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⏳ I'm reviewing this pull request for security vulnerabilities and code quality issues. I'll provide an update when I'm done |
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✅ I finished the code review, and didn't find any security or code quality issues. |
roger-zhangg
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Dec 8, 2025
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Has this been publishing version all these time? I didn't recall this behavior before.
vicheey
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Dec 9, 2025
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ashishrp-aws
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laileni-aws
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Problem
Fixes #8372.
Currently, a deploy done using the lambda client will create a new published version of the function without any customer input. This is an issue because a) it is not the expected action for a deploy and b) version creation can take a long time and be expensive for Lambda Managed Instances customers.
The cases in which this happened were:
Open to reasons to keep this, but I think that versioning isn't necessary in those cases and can end up being confusing. The original PR that added this was in 2020 (#1269), and based on that PR it seems like the original implementer was testing things out.
Solution
Remove the
Publish: truefield from theUpdateFunctionCodeCommand. Now, all deploys are simply updating the code.feature/xbranches will not be squash-merged at release time.