Since the recent update, the screen rotates vertically when turning the video on and off.

Since the recent update, the screen rotates vertically when turning the video on and off.
Even if you set it to landscape mode in settings, it will rotate vertically when you turn it off and on again.
I've used it on a Windows 10 tablet and both have the same symptoms.
There are several users with the same symptoms.
Is it a bug? What is the revision plan?