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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 v2.1.248 ·

Messaging startup warning now names the real cause

Cross-session messaging startup warnings now name the actual cause instead of always blaming sockets.

You'll notice Improvements
JSON All of v2.1.248
You'll noticeTier: how much it should matter to you
3Useful: my rating, 1 to 5
2Signal: worth watching, 1 to 5
Session MessagingArea: what it touches
ImprovementsKind: in v2.1.248,
ImprovementsSection of the release
What

When cross-session messaging fails to start, the warning used to always blame the socket directory setup. It now reports the specific cause: a refused socket path, a bind failure, a failure to publish this session's peer key, or a problem after binding. The old text remains as the fallback when the cause is unknown.

Details
  • A companion helper records the degraded cause and declines to overwrite an existing one when the key publish failed after the primary directory was already refused.
Evidence

its peer key could not be published

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

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