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I have done some further testing. The issue arises on a laptop with high resolution display (12.5" with 3000x2000). I have tested other devices with fullHD and 4K displays, that...

I have the same issue. Here is the output of xev when pressing the left and right button: ``` ButtonPress event, serial 38, synthetic NO, window 0x5200001, root 0x42d, subw...

I have tested with diffferent window managers under X and wayland. behavior is the same. With `sudo cat /dev/input/mice | od -An -t x1 -w1` I catch the raw bytes...