"Doubled" playback when playing score with repeats at < 100% tempo
In the provided score:
1) Pop out the playback bar
2) Set tempo to 50%
3) Select measure 18
4) Press play or spacebar
Playback will be normal for one measure.
At measure 19, audible playback continues as expected but the visual bar jumps to the second-to-last measure of the piece.
At measure 21, the playback bar jumps to the repeat, and simultaneous playback of measure 5 and measure 21 begins.