The /ide command connects Claude Code to a code editor (IDE). When it finds other running editors it will not connect to, its notice now explains that their workspace or project directories don't match the current directory.
Why
The message now gives the reason an open editor is not offered, so you know to open the matching folder in it.
How sure we are
One source agreesOne thing we can check says the same as this entry.
Anthropic's release notes agreeFixed /ide showing "No available IDEs detected" while also listing a running IDE