After Alt+Tab from Kate to another application and Alt+Tab again to Kate, cursor is inactive. Gnome with Metacity 3.18.1. Reproducible: Always Steps to Reproduce: 0. Start Kate and any other Gnome application. 1. Open some document in Kate. 2. Click mouse to a place in the document to make the cursor blink. 3. In Gnome press Alt+Tab to switch to another application. 4. Press Alt+Tab again to switch back to Kate. Actual Results: The active widget is Kate menu. The cursor does not blink. Arrow keys do not move the cursor. Expected Results: The active widget should be the text area and cursor should blink.
Kate 15.08.2.
Without updating Kate (remains Kate 15.08.2), this bugs resolved magically. I close it.
Weird, this bug appeared for me again! (maybe after Debian Linux upgrade)