STEPS TO REPRODUCE 1. Render a short Video (1 Second) 2. Insert rendered video directly into the project 3. Slow down the video clip (for example 10%). 4. Play 5. If not yet crashed: Render again 6. Play video again 7. Repeat steps 5+6 (Render, Play, Render Play...) OBSERVED RESULT Crash when playing the slowed down video clip EXPECTED RESULT No Crash Flatpakversion 24.02.02 PS: Kdenlive already had this problem in the older versions. And if Kdenlive “only” creates a backup copy when the project is reopened. But currently it happens about 5 times a day.