Description of problem: I was testing Ctrl-Shift-e emoji/symbol input and scrolling through the long candidate list eventually cased my gnome desktop session to hang completely. Version-Release number of selected component (if applicable): ibus-1.5.19-9.fc29 How reproducible: This has happened to me at least 2 times now. Steps to Reproduce: 1. I tried to input some arrow symbol: 2. Ctrl-Shift-e arrow SPACE 3. Keep scrolling through the long list of candidates. 4. Move the mouse pointer and/or Esc out of the pre-edit. Actual results: Desktop eventually hung hard. It was on candidate 242/645. Expected results: No hang or crash. Escape from input normally. Additional info: I had to powercycle my laptop (ie forced reboot) to get my desktop back.
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Not so easy but I can still reproduce on F35. Basically had to hold down the PageUp key on the candidate window.
(I tried to reproduce this today in F35/F36/Rawhide vm's, but so far could not) I can't reproduce on my F36 laptop, hope I am not missing something.