What
When /desktop cannot hand your session over to the desktop app, or needs to prompt you to download it, the screen it shows has changed. It now appears in a titled dialog called "Claude Desktop", with a line at the bottom telling you which keys to use, such as Esc to cancel. Before, it was a plain box with padding and no title.
Why
These screens now look like the other dialogs in Claude Code, and they say plainly how to back out of them.
Names in the bundle/desktop
The entry above is what we published on the day. These lines were added later, as Anthropic's own pages caught up, and they sit beside the original rather than replacing it.
Confirmed since
Anthropic's documentation has since written up /desktop, on Error reference.
The string you passed to a model switch isn't one Claude Code can use as a model, so it refused the switch without sending a request and the session keeps its current model. You can get this error when a model is set through the [Agent SDK…errors see the edit
Added since
A small documentation edit on Manage sessions touched a line naming /desktop after this was published.
The [desktop app](/docs/en/desktop#work-in-parallel-with-sessions), [claude.ai/code](/docs/en/claude-code-on-the-web), and the [VS Code extension](/docs/en/vs-code#resume-past-conversations) each keep their own session list, and the deskto…sessions see the edit
Two sources agreeTwo things we can check say the same as this entry.
Anthropic's documentation agrees
A small documentation edit on Manage sessions touched a line naming /desktop after this was published.
Anthropic's release notes agree
Improved /install-github-app, /desktop, the /permissions auto mode environment prompts, and the /plugin "Add marketplace?" and "Run this…