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Sweep 22 Oct 2026 · 04:32Z Build v2.1.308 527 read Stable v2.1.308 Latest v2.1.308 Next v2.1.308 Feeds RSS JSON llms.txt llms-full.txt Unofficial

Claude Code v2.1.248 ·

Compaction and rewind notify a shared subsystem

Compaction cleanup and rewind both notify a shared hook with a reason string.

Under the hood Nothing to try yet In Development
JSON All of v2.1.248
Under the hoodTier: how much it should matter to you
1Useful: my rating, 1 to 5
3Signal: worth watching, 1 to 5
CompactionArea: what it touches
In DevelopmentKind: in v2.1.248,
In DevelopmentSection of the release

What consumes the hook is not visible here.

What

Cleaning up after a conversation compaction and rewinding a conversation both call the same new hook with a reason string, and rewind sends a second call with "rewind". Existing rewind telemetry is unchanged. What consumes the hook is not visible here.

Evidence

tengu_conversation_rewind

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

See this entry in the whole of v2.1.248 →

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