A mix of BeatGrid and BeatMap tracks would explain the lack of reproducibility.
I added a fix to BeatMap::scale in https://github.com/mixxxdj/mixxx/commit/87743666d0298c2a0c5d7b187833d511dd8ccfdf so that likely fixed this. Please re-open if you continue to see the error in 1.12.0 alpha builds.
A mix of BeatGrid and BeatMap tracks would explain the lack of reproducibility.
I added a fix to BeatMap::scale in https:/ /github. com/mixxxdj/ mixxx/commit/ 87743666d0298c2 a0c5d7b187833d5 11dd8ccfdf so that likely fixed this. Please re-open if you continue to see the error in 1.12.0 alpha builds.