*** If you're not sure this is actually a bug, instead post about it at https://discuss.kde.org If you're reporting a crash, attach a backtrace with debug symbols; see https://community.kde.org/Guidelines_and_HOWTOs/Debugging/How_to_create_useful_crash_reports *** SUMMARY STEPS TO REPRODUCE 1. Open a project with a timeline resolution of 3840x2160 2. Go to Project->Render 3. Check "Rescale: Enabled" checkbox and set rescaled resolution to 1280x720 4. Render to file OBSERVED RESULT The rendered video is 1278x718 pixels instead of 1280x720 pixels. SOFTWARE/OS VERSIONS Windows 10 ADDITIONAL INFORMATION A video rendered from a project with a timeline resolution of 1280x720 has the correct resolution. It's seems to only be scaling the output that causes the issue.