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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
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Claude Code v2.0.72 ·

Session Indexing [Gradual Rollout]

Entry
JSON All of v2.0.72
EntryKind: in v2.0.72,
ChangesSection of the release
What

A new session indexing system that caches conversation metadata for faster session loading.

Details
  • Creates a sessions-index.json file that caches session metadata
  • Enables faster loading of conversation history without parsing all JSONL files
  • Tracks session ID, message count, timestamps, branch info, and tags
  • Feature-flagged behind tengu_session_index
Evidence

icB() at line 274892 (contains "sessions-index.json", tengu_session_index flag check via Vm1())

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

See this entry in the whole of v2.0.72 →

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