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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 v2.1.76 ·

Compaction Now Preserves Message Segments

Entry
JSON All of v2.1.76
EntryKind: in v2.1.76,
ChangesSection of the release

Conversation compaction can now preserve a segment of recent messages instead of summarizing everything.

Details
  • Compacted boundaries include a preservedSegment with headUuid, anchorUuid, and tailUuid
  • Loaders splice the preserved segment at the anchor point so resumed sessions include actual message content
  • Metadata is serialized as preserved_segment in transcript files
Evidence

Preserved segment in compaction (search for "preservedSegment", "Relink info for messagesToKeep")

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

See this entry in the whole of v2.1.76 →

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