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Go 1.21 retirement date and replacement

Cloud Run functions · Version · retired Mar 3, 2026 (retired)Unverified

Vendor page

Dates

Checked Sep 25, 2026 on Google Cloud's page
RetiredMar 3, 2026 (retired)
DeprecatedSep 3, 2025
ReplacementNone named
Identifiergo121
NoticeDecommission; Go
Sourcedocs.cloud.google.com/functions/docs/runtime-support

Changes

DateChange
Sep 25Announced2026-03-03UnverifiedDecommission; GoSource

Around the same time on Cloud Run functions

Google Cloud
  • Python 3.9UnverifiedCloud Run functionsVersion6mo agoApr 5

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