Created attachment 95847 [details] gdb backtrace This was reported in https://forum.kde.org/viewtopic.php?f=270&t=129601&edittags=1 and can be reproduced with current git. catalyst-hook 15.9-6 catalyst-libgl 15.9-2 catalyst-utils 15.9-2 mlt 0.9.8-3 qt5-base 5.5.1-3 kdenlive git describe --tags --always v15.11.80-53-g0918054 Steps to reproduce: 1. Start kdenlive 2. Drag video into bin 3. Drag clip from bin to timeline 4. Drag Corners effect from effects list to clip in timeline Expected: 1. I now see the properties of the Corners effect. Actual results: 1. Kdenlive crashes Video: https://youtu.be/tIYd7qgKReU
This is not reproducible in recent git with open source ati drivers.