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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
HomeReleasesv2.1.229entry #173

Claude Code v2.1.229 ·

Verbosity guidance section renamed to "communication"

The response-length guidance section was renamed, which changes that part of the prompt cache.

Under the hood Internal Changes
JSON All of v2.1.229
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
Internal ChangesKind: in v2.1.229,
Internal ChangesSection of the release
What

The system prompt block covering response length is now keyed under communication instead of anti_verbosity, which also changes that section's prompt cache identity.

Evidence

p1(communication${s}${f ? ":send_user_msg" : ""}``

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

See this entry in the whole of v2.1.229 →

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