Issue Found - Magic Trackpad + DisplayLink Manager
I got a little too brave yesterday and upgraded to Sequoia. I get a little trigger happy every couple of years, regret it, but only learn my lesson for a short time period.
So, the issue I've discovered this time is when using my "Targus Dual 4K Docking Station 65W PD" with DisplayLink Manager with my Magic Trackpad.
The cursor tracking is jumpy, inconsistent in its speed (even with finger moving at a constant pace, and trends downward. The behaviour is the same on 1.9 and 1.10 versions of DisplayLink Manager. It is also the same if connected using Bluetooth or Hardwired. I've even tested it hardwired directly into the Macbook rather than through the dock, and get the behaviour.
Tracking is 100% perfect if using the built in Trackpad.
Now - onto the fun challenge of rolling back MacOS. And no, I didn't do a Time Machine Backup. Flying without a net. Ugh.
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