Created attachment 139506 [details] project that exhibits the bug SUMMARY Double-clicking a kdenlive project in the file browser will open kdenlive with that project loaded. Trying to load the attached project in this manner, however, results in a blank timeline. The project loads fine if kdenlive is first started, and then the project is loaded via the File menu. STEPS TO REPRODUCE 1. Download and extract the attached project. 2. Double-click "PNG_test.kdenlive" to open the project in kdenlive. OBSERVED RESULT The timeline is blank, showing no clips or time markers. EXPECTED RESULT The clips and time markers should appear on the timeline. SOFTWARE/OS VERSIONS Kdenlive versions tested: . 21.04.2 (neon packages) . 21.04.2 (AppImage) . 21.07.70-ee7a141-x86_64 (6/18/21 daily AppImage) Linux: KDE neon 5.22 User Edition KDE Plasma Version: 5.22.1 KDE Frameworks Version: 5.83.0 Qt Version: 5.15.3