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Fix issue 38238: IdP cookies must have SameSite=None#42696

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sideshowbarker merged 3 commits intomdn:mainfrom
wbamberg:fix-38238
Jan 13, 2026
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Fix issue 38238: IdP cookies must have SameSite=None#42696
sideshowbarker merged 3 commits intomdn:mainfrom
wbamberg:fix-38238

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@wbamberg wbamberg commented Jan 8, 2026

Fixes #38238.

It looks like SameSite=Lax will eventually work as well, but not yet: httpwg/http-extensions#3323.

@wbamberg wbamberg requested a review from a team as a code owner January 8, 2026 23:04
@wbamberg wbamberg requested review from sideshowbarker and removed request for a team January 8, 2026 23:04
@github-actions github-actions bot added Content:WebAPI Web API docs size/s [PR only] 6-50 LoC changed labels Jan 8, 2026
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github-actions bot commented Jan 8, 2026

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(comment last updated: 2026-01-09 00:13:02)

@sideshowbarker sideshowbarker merged commit 30bb7c6 into mdn:main Jan 13, 2026
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fedcm request cookies require SameSite=None

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