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Sweep 22 Oct 2026 · 21:04Z Build v2.1.309 528 read Stable v2.1.308 Latest v2.1.308 Next v2.1.309 Feeds RSS JSON llms.txt llms-full.txt Unofficial

Claude Code v2.1.222 ·

Peer-message envelope text moved into constants

Wording around messages from other sessions moved to one place, with an extra old header now stripped.

Under the hood Internal Changes
JSON All of v2.1.222
Under the hoodTier: how much it should matter to you
1Useful: my rating, 1 to 5
0Signal: worth watching, 1 to 5
SessionsArea: what it touches
Internal ChangesKind: in v2.1.222,
Internal ChangesSection of the release
What

The wrapper text applied to messages from peer and coordinator sessions, including the permission-laundering warning, now lives in a module of constants rather than inline.

Details
  • The wording of the guidance itself is unchanged.
  • The list of legacy prefixes stripped before re-wrapping now also matches an alternate "A peer session sent a message…" header.
Evidence

A peer session sent a message while you were working:

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

See this entry in the whole of v2.1.222 →

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