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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

Claude Code v2.1.225 ·

Compaction payloads clamped alongside preserved event ids

Compaction now trims the saved conversation payload to match the preserved message list, avoiding mismatches.

You'll notice Bug Fixes
JSON All of v2.1.225
You'll noticeTier: how much it should matter to you
3Useful: my rating, 1 to 5
0Signal: worth watching, 1 to 5
CompactionArea: what it touches
Bug FixesKind: in v2.1.225,
Bug FixesSection of the release
What

When preserved event ids exceed the cap, the compaction payload itself is now trimmed to match, rather than only the id list.

Details
  • The internal event writer rewrites compactMetadata.preservedMessages.uuids to the last N and adjusts the preserved segment.
  • Whether that rewrite happened is reported as payloadClamped on the existing tengu_ccr_preserved_event_ids_clamped event.
Evidence

tengu_ccr_preserved_event_ids_clamped

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

See this entry in the whole of v2.1.225 →

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