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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

Claude Code v2.1.224 ·

Mailbox write failures are reported instead of being assumed to succeed

Plan submissions and shutdown requests to another agent now fail visibly when delivery fails.

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

Writes to another agent's inbox can now fail visibly. Submitting a plan for lead approval throws a dedicated error when the write does not land, shutdown requests and shutdown rejections return a failure result naming the target, and the shutdown-approval confirmation is marked degraded. Previously all of these carried on as if the message had been delivered.

Evidence

Failed to write the plan approval request to the lead's inbox \u2014 plan not submitted; try again

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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