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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 v2.1.236 ·

Format checks for message ids and socket paths

Messages between Claude Code processes must now have well-formed ids and socket addresses.

Under the hood Internal Changes
JSON All of v2.1.236
Under the hoodTier: how much it should matter to you
2Useful: my rating, 1 to 5
3Signal: worth watching, 1 to 5
Multi-SessionArea: what it touches
Internal ChangesKind: in v2.1.236,
Internal ChangesSection of the release
What

New validation for messages passed between Claude Code processes: an id must be cc-msg- followed by 32 hexadecimal characters, and a socket path must start with a uds:, bridge: or did: scheme. A separate check for loopback addresses was added nearby.

Evidence

^(?:uds|bridge|did):

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

See this entry in the whole of v2.1.236 →

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