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fix: Update Lambda runtime lifecycle dates from AWS docs - #4943

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kddejong merged 2 commits into
aws-cloudformation:mainfrom
hoganbr-amzn:fix/lambda-runtime-lifecycle-dates
Oct 27, 2026
Merged

kddejong merged 2 commits into
aws-cloudformation:mainfrom
hoganbr-amzn:fix/lambda-runtime-lifecycle-dates

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@hoganbr-amzn

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Issue #, if available: Fixes #4888

Description of changes:

Updates LmbdRuntimeLifecycle.json to match the current Lambda runtimes page. After this change every runtime in the file has the same deprecation, block-create and block-update dates as the page.

  • dotnet6, dotnet8, nodejs16.x, nodejs18.x, nodejs20.x, nodejs22.x, provided.al2, python3.8, python3.9, python3.10, ruby3.2, ruby3.3: block create 2027-07-29, block update 2027-08-31
  • java8.al2, java11, java17, python3.11: block create 2027-07-31 -> 2027-07-29
  • go1.x, java8, nodejs14.x, provided, python3.7, ruby2.7: block update 2027-03-03 -> 2027-08-31
  • Add java8.al2023, java11.al2023, java17.al2023 (successor java25)

nodejs26.x and python3.15 (preview, nothing scheduled) and dotnet5.0 / dotnet7 (container only, no block dates) are left out because none of the three rules would report on them.

Unit tests and quickstart snapshots are updated for the new dates. With the issue's reproduction template, W2531 now prints 2027-07-29 / 2027-08-31, E2531 first reports on 2027-07-29 and E2533 on 2027-08-31.

By submitting this pull request, I confirm that you can use, modify, copy, and redistribute this contribution, under the terms of your choice.

hoganbr-amzn and others added 2 commits October 27, 2026 11:18
Signed-off-by: Brenden Hogan <hoganbr@amazon.com>
Match.id is derived from the match repr, which embeds the message, so the Id hashes had to be regenerated alongside the updated messages.

Signed-off-by: Kevin DeJong <kddejong@amazon.com>
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codecov Bot commented Oct 27, 2026 •

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Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 94.68%. Comparing base (6e5000d) to head (6d7f090).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files
@@           Coverage Diff           @@
##             main    #4943   +/-   ##
=======================================
  Coverage   94.68%   94.68%           
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  Files         441      441           
  Lines       16058    16058           
  Branches     3114     3114           
=======================================
  Hits        15204    15204           
  Misses        470      470           
  Partials      384      384           
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@kddejong
kddejong merged commit 027bdd1 into aws-cloudformation:main Oct 27, 2026
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Successfully merging this pull request may close these issues.

LmbdRuntimeLifecycle.json block dates are earlier than the current Lambda runtimes page (W2531, E2531, E2533)

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