If you are experiencing flickering or resizing glitches in fullscreen in macOS, this trick can help:

Preferences > Show All⌗

Interfaces⌗

• Main Interfaces > macosx > [v] Use the native fullscreen mode
• Main Interfaces > macosx > [ ] Resize interface to the native video size

Video⌗

• [ ] Embed video

It’s quite a mystery why attached playlist can cause drawing defects, hopefully this will be fixed in upcoming versions.