Problem details: I basically just wanted to make sure none of my beatmaps were broken or anything so I pressed F4 or whatever and now all songs' audio is timed incorrectly and are 1s too fast.
Video: https://youtu.be/6AbkTwwWWOs
osu! version: Stable 20181221.4 (latest)
Video: https://youtu.be/6AbkTwwWWOs
osu! version: Stable 20181221.4 (latest)