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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 v2.1.42 ·

Session Conflict Resolution

Entry
JSON All of v2.1.42
EntryKind: in v2.1.42,
ChangesSection of the release
What

Better handling of session 409 conflicts with server-side sync.

Details
  • Adopts server's lastUuid from headers when conflicts occur
  • Re-fetches entries to ensure consistency
  • Logs detailed sync information for debugging
Evidence

Session 409 handler (search for "Session 409: adopting server lastUuid")

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

See this entry in the whole of v2.1.42 →

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