This is only a problem with the Windows version. There are no problems on the Android side like this that I'm aware of and the code bases are completely different between the two. There are no problems being reported on Android with the app slowing down over time. If you are experiencing crashes with zooming, that is a different problem that would need to be investigated. Please write up a separate post for that with all of the details for how to reproduce the problem and I will see if I can reproduce it on my own Samsung Note Pro 12.2.
Thanks,
Mike
Thanks,
Mike