Version: (using Devel) OS: Linux Installed from: Compiled sources It might be a good thing that if in kate session widget can remove sessions. It may be there already but at least I didn't found that options.
Ou and enter key should work to.
Sessions > Manage... Does that work? I think it might be better to not add a "delete" button to the session chooser when Kate starts.
No reply. Session > Manage works certainly. so close as fixed.