Since I've updated to 3.2.6756 (and tested on 3.2.6760 too), on a Windows 10 pro computer :
When Tempo Control is enabled, the tracklist stays blocked at the very end of the first played track.
So it just looks like this :

It seems that it doesn't matter what value is set in the Tempo Control (i tested randoms negative and positive values as well as 0%).
----
Musicbee 3.2.670
W 10 pro
i7 4790
16 Gb RAM
GTX 970