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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 v2.1.224 ·

Teammate mailbox failures are reported instead of silently swallowed

Claude is now told when a message to a teammate did not get delivered.

You'll notice Bug Fixes
JSON All of v2.1.224
You'll noticeTier: how much it should matter to you
3Useful: my rating, 1 to 5
3Signal: worth watching, 1 to 5
Team MessagingArea: what it touches
Bug FixesKind: in v2.1.224,
Bug FixesSection of the release
What

When a write to a teammate's inbox fails, callers now check the result and tell the model the delivery did not happen, for example that a confirmation could not be written. Previously most of these call sites ignored the failure.

Details
  • The degraded-outcome path for a failed mailbox write went from one call site to nine.
  • Lock releases are wrapped so a failed release logs a warning instead of escaping the surrounding cleanup block.
  • Inbox write errors are now logged at error level and filtered before being surfaced.
Evidence

The confirmation could not be written to team-lead's inbox.

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

See this entry in the whole of v2.1.224 →

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