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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 v2.1.248 ·

Peer checks now include process start time, not just pid

Cross-session messages verify the peer's process start time, not just its pid.

Under the hood New Features
JSON All of v2.1.248
Under the hoodTier: how much it should matter to you
2Useful: my rating, 1 to 5
2Signal: worth watching, 1 to 5
Cross-Session MessagingArea: what it touches
New FeaturesKind: in v2.1.248,
New FeaturesSection of the release
What

Messages sent between sessions over the local socket, and the receipts for held messages, now carry an expected process start time alongside the expected pid. A reused pid on its own no longer passes verification.

Evidence

expectPeerProcStart

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

See this entry in the whole of v2.1.248 →

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