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Issue # (if applicable)

NA

Reason for this change

Adds Java 25 and Python 3.14 Runtimes to the available Lambda Runtimes constants

Description of changes

Have added integration tests to validate the runtime support

Describe any new or updated permissions being added

No

Description of how you validated changes

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By submitting this pull request, I confirm that my contribution is made under the terms of the Apache-2.0 license

@github-actions github-actions bot added beginning-contributor [Pilot] contributed between 0-2 PRs to the CDK p2 labels Oct 25, 2025
@aws-cdk-automation aws-cdk-automation requested a review from a team October 25, 2025 05:58
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The pull request linter fails with the following errors:

❌ Features must contain a change to a README file.

If you believe this pull request should receive an exemption, please comment and provide a justification. A comment requesting an exemption should contain the text Exemption Request. Additionally, if clarification is needed, add Clarification Request to a comment.

@bnusunny bnusunny changed the title feat(lambda): Add Lambda Java25 and Python3.14 Runtimes feat(lambda): add Lambda Java25 and Python3.14 Runtimes Oct 25, 2025
@ozelalisen ozelalisen self-assigned this Oct 27, 2025
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Could you separate PRs, one for Java25 and one for Python 3.14, since they are not really relevant to each other, and we can revert better in case there is some problem with one of the runtime version?


const lambdaFunction = new Function(stack, 'MyFunction', {
runtime: Runtime.JAVA_21,
runtime: Runtime.JAVA_25,
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Instead of replacement, could you keep JAVA_21 and add a new function only for JAVA 25 to not lose test coverage with Java 21?

@bnusunny
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Replaced with #35869 and #35867.

@bnusunny bnusunny closed this Oct 28, 2025
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3 participants