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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
HomeReleasesv2.1.228entry #38

Claude Code v2.1.228 ·

Bundled API client: new endpoints and a stripped request field

The bundled client swapped memory-version endpoints for deployment runs and added a threads resource.

Under the hood Notable Internal Changes
JSON All of v2.1.228
Under the hoodTier: how much it should matter to you
2Useful: my rating, 1 to 5
4Signal: worth watching, 1 to 5
API ClientArea: what it touches
Internal ChangesKind: in v2.1.228,
What probably matters to youSection of the release
What

The bundled Anthropic client swapped its memory-version endpoints for /v1/deployment_runs?beta=true, added a threads resource, and now removes user_profile_id from message, token-count and batch-create request bodies before sending.

Details
  • The model deprecation warning table gained claude-opus-4-1 and claude-opus-4-1-20250805 (August 5th, 2026) and claude-mythos-preview (June 30th, 2026).
Evidence

/v1/deployment_runs?beta=true

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

See this entry in the whole of v2.1.228 →

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