SUMMARY STEPS TO REPRODUCE 1. Create new project and add files 2. Select area to render 3. Save and close project 4. Open project 5. Render full project OBSERVED RESULT Audio and video is deleted from area selected for render the rest of the project renders properly. EXPECTED RESULT Rendering the full project while a selection in the timeline is made should not delete tracks. SOFTWARE/OS VERSIONS Linux Ubuntu 20.04 (available in About System) KDE Plasma Version: KDE Frameworks Version: Qt Version: ADDITIONAL INFORMATION