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Sweep 22 Oct 2026 · 21:04Z Build v2.1.309 528 read Stable v2.1.308 Latest v2.1.309 Next v2.1.309 Feeds RSS JSON llms.txt llms-full.txt Unofficial
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Claude Code v2.1.251 ·

Co-authored-by trailer built one way for everyone

The Co-authored-by trailer is built one way for everyone; you can still turn it off.

You'll notice New Features
JSON All of v2.1.251
You'll noticeTier: how much it should matter to you
2Useful: my rating, 1 to 5
2Signal: worth watching, 1 to 5
GitArea: what it touches
New FeaturesKind: in v2.1.251,
New FeaturesSection of the release
What

The trailer added to commits and PRs no longer branches on first-party versus non-first-party naming; a single name lookup produces it. You can still turn it off through the attribution settings for commits and PRs.

Evidence

Co-Authored-By: ${BZn(at())} <[email protected]>

Strings lifted out of the shipped bundle, so the claim above can be checked against them.

See this entry in the whole of v2.1.251 →

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