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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 v2.1.221

The "tmux" selection state was removed from the chat input

Under the hood
Useful1 Signal0
Elsewhere

A leftover tmux selection state that did nothing was removed from the chat input.

What

The tmux selection prop and its handling are gone from the prompt input and related components.

Details
  • tmuxSelected was threaded through the prompt input, status line and exit-message components; it and the vs === "tmux" derivation are both gone.
  • The case "tmux": branch it fed did nothing but break.
  • Other tmux integrations are untouched: clipboard, session management and iTerm2 -CC detection all remain.
Evidence

tmuxSelected

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

See this entry in the whole of v2.1.221 →