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Sweep 22 Oct 2026 · 21:04Z Build v2.1.309 528 read Stable v2.1.308 Latest v2.1.308 Next v2.1.309 Feeds RSS JSON llms.txt llms-full.txt Unofficial

Claude Code v2.1.227 ·

Teammate mailboxes and team files move to the newer storage backend

Teammate mailbox and team-config writes use the newer storage layer when it's present.

Under the hood Internal Changes
JSON All of v2.1.227
Under the hoodTier: how much it should matter to you
2Useful: my rating, 1 to 5
3Signal: worth watching, 1 to 5
InternalsArea: what it touches
Internal ChangesKind: in v2.1.227,
Internal ChangesSection of the release
What

Mailbox writes, marking messages read, message pruning and team-config updates now go through a transactional storage update when the session has the newer storage backend, and fall back to the old lockfile-plus-atomic-write path when it does not.

Details
  • The new path retries when a lock looks suspect and separates contention from hard failures in telemetry.
  • Hard failures surface as "Team file update failed (storage v5)".
  • The old file-based mailbox read and clear helpers are gone.
Evidence

Team file update failed (storage v5)

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

See this entry in the whole of v2.1.227 →

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