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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 v2.1.242 ·

Half-open cross-session connections are dropped on a deadline

Cross-session connections that never send a full line are closed on a deadline.

Under the hood Improvements
JSON All of v2.1.242
Under the hoodTier: how much it should matter to you
2Useful: my rating, 1 to 5
2Signal: worth watching, 1 to 5
ElsewhereArea: what it touches
ImprovementsKind: in v2.1.242,
ImprovementsSection of the release
What

The local socket that carries messages between sessions now closes any connection that fails to send a complete line within a configured first-line deadline, so a stalled or probing peer no longer holds a slot open.

Details
  • Each connection arms a timer on accept, cleared on close or error; the timer does not keep the process alive.
  • The drop is logged, and the first one in a session reports a cross-session inbox auth telemetry value.
Evidence

[uds-messaging] Closing a connection that sent no complete line within

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

See this entry in the whole of v2.1.242 →

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