Background opacity lag

Ratio lags a lot when adjusting the opacity, the touch is not responsive, it takes like 1 second from touch to the actual adjustment of opacity, leading to reapeted touch, making Ratio even more unresponsive.
In the pic, the pinned card is shown when adjusting the opacity.

I can’t see the option for changing background opacity! What should i do to chnge? Screenshot_20210102-131656|230x500

Err… you don’t. They removed it in Ratio 4