I admit I don't fully understand how the "Coordinate Transformation
Matrix" works (well, especially in the context of a mouse instead of a
trackpad or something), but it appears that's the trigger for this
issue.
After I eliminated that modified Coordinate Transformation Matrix, the
dragging/jump issue disappeared.
(For anyone else who happens to have the same problem, I was able to solve the
mouse hyper-sensitivity issue like this instead:
xinput set-prop "Razer Razer DeathAdder" "libinput Accel Speed" "-0.3"
xinput set-prop "Razer Razer DeathAdder" "libinput Accel Profile Enabled" 0, 1
Thanks to https://patrickmn.com/aside/lowering-gaming-mouse-sensitivity-
in-ubuntu-9-10/ (updated) and http://mouseaccuracy.com/ for helping me
decide on a comfortable value.)
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which is subscribed to xorg in Ubuntu.
https://bugs.launchpad.net/bugs/1691486
Title:
Mouse cursor jumps to top left corner on click+drag
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1691486/+subscriptions
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