- From this project file, what is the Video Mode? Click on Output, then Properties. Resolution - exact FPS.
- What are the properties of the 4K footage (look at FPS). Click on the source clip, then Properties. What is the exact FPS shown on Shotcut?
- Did you select an export preset? If so, which one?
- In the export panel, did you enter Advanced? If so, did you change anything?
- If you did change settings in Advanced, what did you change?
- Are you exporting to a Hard Disk Drive (HDD), Solid State Drive (SSD), or NVME?