I second IINA. I love its design and UX. Feels like a great native mac app. Nevertheless, it's good to keep VLC handy too. Sometimes things work better in VLC,

I second IINA. I love its design and UX. Feels like a great native mac app. Nevertheless, it's good to keep VLC handy too. Sometimes things work better in VLC, and sometimes on IINA -- in terms of being supported or not, bugs in playback or just plain CPU usage.