If preview is distorted, but export is good, it is due to performance. Either your computer is underpowered, or your project is too complex. As a solution, Shotcut has Preview Scaling and Proxy Editing
If preview is distorted, but export is good, it is due to performance. Either your computer is underpowered, or your project is too complex. As a solution, Shotcut has Preview Scaling and Proxy Editing