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Node 20 support removed from GitHub Actions
GitHub has officially removed Node 20 from GitHub Actions runners, shifting JavaScript execution to Node 24. The temporary ACTIONS_ALLOW_USE_UNSECURE_NODE_VERSION opt-out is no longer available, and Node 24 drops support for macOS 13.4 or earlier and ARM32 on self-hosted runners. The change applies to both github.com and GitHub with Data Residency.