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GeezerVison is showing github.com — [3.14] gh-161735: Update zlib-ng to 2.2.5 on Windows (GH-161813) by zware · Pull Request #161884 · python/cpython

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@zware

@zware zware commented Nov 12, 2026 •
edited by bedevere-app Bot
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(cherry picked from commit a969bcf)

  • Issue: Windows: update zlib-ng to 2.2.5 (PGO builds with Visual Studio 17.11 decompress wrongly on AVX-512 CPUs) #161735

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@zware
[3.14] pythongh-161735: Update zlib-ng to 2.2.5 on Windows (pythonGH-…
9adfa7d 
…161813)

(cherry picked from commit a969bcf)

Co-authored-by: Zachary Ware <[email protected]>
@zware
zware requested review from a team and sethmlarson as code owners November 12, 2026 16:37
@bedevere-app bedevere-app Bot mentioned this pull request Nov 12, 2026
gh-161735: Update zlib-ng to 2.2.5 on Windows #161813
Merged
@bedevere-app bedevere-app Bot added the type-bug An unexpected behavior, bug, or error label Nov 12, 2026
@bedevere-app bedevere-app Bot mentioned this pull request Nov 12, 2026
Windows: update zlib-ng to 2.2.5 (PGO builds with Visual Studio 17.11 decompress wrongly on AVX-512 CPUs) #161735
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@bedevere-app bedevere-app Bot added the awaiting core review label Nov 12, 2026
@zware
zware enabled auto-merge (squash) November 12, 2026 16:38
@zware
zware merged commit 1cd94ae into python:3.14 Nov 12, 2026
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@zware
zware deleted the backport-a969bcf-3.14 branch November 12, 2026 17:16
@bedevere-app bedevere-app Bot removed the awaiting core review label Nov 12, 2026
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@sethmlarson sethmlarson Awaiting requested review from sethmlarson sethmlarson is a code owner

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@zware @bedevere-bot
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