Under the hoodTier: how much it should matter to you
3Useful: my rating, 1 to 5
4Signal: worth watching, 1 to 5
Page PreviewArea: what it touches
Internal ChangesKind: in v2.1.292,
What probably matters to youSection of the release
Unclear It is not stated what puts Claude Code into emulator mode.
What
Claude Code has a tool for previewing and checking a web page. When Claude Code is running in a mode called emulator, the tool now behaves differently:
its short description reads "look at a page in the artifact viewer" instead of "preview a page locally"
its longer description explains that the preview shows one view of the page and takes only file_path
it rejects any input other than file_path
Outside emulator mode the tool is described as before.
Why
This adds a separate variant of the preview tool for a viewer environment.
How sure we are
Something disagreesSomething we can check disagrees with this entry, or the writer said they could not settle it.
The writer flagged doubtIt is not stated what puts Claude Code into emulator mode.
Anthropic's release notes agreeImproved tool input handling: Grep accepts file_path for path, and Write, WebFetch and Read ignore a few stray parameters instead of failing…
