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Claude Code

Anthropic · CLI

Claude Code 2.1.231

2.1.229→2.1.231·August 13, 2026 at 7:40 AM UTC

Patch release (2.1.229 → 2.1.231) with packaging/metadata updates and light internal cleanup; no major user-facing feature changes.

Changelog

  • [changed] SDK compatibility metadata no longer lists wrapper version 0.3.191 among tested versions (still includes 0.3.195–0.3.197).
  • [changed] Release packaging refreshed for all supported platforms (version, commit, and binary checksums).

Under the hood

  • Dropped a small set of unused internal environment-variable and feature-gate strings, and removed an unused notification-preferences API route reference.
  • Added an internal feature gate (tengu_woven_harbor) ahead of further work; not exposed as a user setting in this release.

Upgrade notes

No special steps required for typical CLI usage. If you pin or test against the Claude Code SDK wrapper, note that 0.3.191 is no longer in the tested compatibility list—prefer 0.3.195 or newer.

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