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DisclaimerUnofficial, and not affiliated with Anthropic. Nearly all of this is read straight out of what ships: npm bundles, captured prompts, published docs. Anthropic's own notes go in verbatim, marked as theirs. The rest is my reading, and every entry carries the strings behind it. If one looks wrong, vote it down and say why.

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Claude Code v2.1.238 20 Aug 2026

Permission callbacks moved off app state

Under the hood

Useful1 Signal2

Permissions

Remote permission callbacks now live per session instead of being copied into global app state.

What

The remote bridge and channel permission callbacks now live on a per-session object rather than being copied into application state on every attach and detach. Behaviour is unchanged.

Evidence

permissionRelays

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

See this entry in the whole of v2.1.238 →