When i close player window and then it gets opened again progress bar stops updating and shows last status. Status does get updated when moving to new song. I can still use it to change time and it shows new time but without updating progress.
This seems like the same issue MPV doesn't update state when started directly with play button (#1644) · Issues · Karaoke Mugen / Code / Karaoke Mugen Application · GitLab
We’re looking into it