hi,
this has been receltly fixed in the devel channel.
if you select devel in your system update settings and do an update, you will be able to use google account both for calendar and contacts.

regards

Hi, I just installed it on a pixel 3a, it works very well so far.
thanks a lot for your great work!

just one annoying point, when you click to play a playlist, it takes minutes before starting and you think it doesn't work. Maybe it download everthing before playing?