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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 v2.1.27

OSC52 Clipboard Support for SSH Sessions

What

Clipboard copy now works over SSH connections using the OSC52 escape sequence protocol, supported by modern terminal emulators.

Details
  • Automatically detects SSH sessions and attempts OSC52-based clipboard copy
  • Supported terminals include: iTerm2, Kitty, Ghostty, WezTerm, Alacritty
  • For tmux users, requires set-clipboard to be enabled and allow-passthrough to be on
  • Provides a clear error message listing compatible terminals when OSC52 fails
  • Replaces the old generic platform-specific error message with SSH-aware guidance
Evidence

SSH clipboard error message (search for "clipboard access requires a terminal that supports OSC52")

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

Related

Other releases about the same thing. Found by shared names or similar wording; neither means one caused the other.

See this entry in the whole of v2.1.27 →