It’s looking like this is an issue with remote-in apps running, or at least one of the causes anyway.
I use Chrome Remote to remote into my home PC from work (I work from home), and after relogging wasn’t fixing the issue like it did when I wasn’t remoted in, I started wondering if it was a remote-in issue, and every time I’d start up WoW while not remoted in, my cursor was fine. Then I would remote in, and the issue would return almost immediately, but only when using the mouse on the PC I’m remoting in from. If I use my normal PC’s mouse, it’s fine until I start using the remote-in PC’s mouse, then it does it on both until I kill the remote-in and restart WoW. I did this about 10 times in a row with the same results every time. Work PC mouse is a Dell and my home PC is using a Pwnage mouse, and I uninstalled my old Logitech software a long time ago.
I tested this with both Chrome Remote and my work’s remote-in software which is called ConnectWise, with the same results every time. As soon as the remote-in connection is killed and I restart WoW, the cursor is fine again.
I wasn’t able to test with TeamViewer or any other remote-in apps besides these two, but I’m guessing the results would be the same.
The only “fix” that wasn’t an actual fix was to enable “Relative Mouse Mode” in Chrome Remote, but this added so much input lag and made the mouse feel like such trash that it was unplayable.
I didn’t really mess with any other Chome Remote settings, but it appears to related to remote-in software in general.
EDIT: Just caught up on the thread. I also have VR software installed, but I’m pretty sure it’s not running unless it has some extra weird name in Task Manager that makes no sense.
EDIT EDIT: Loaded up my Oculus software and everything was fine. Until I remoted in, then business as usual from the rest of the post above.
I can consistently reproduce this issue with what was described above with remoting in though.
99% sure that I first started noticing this issue after I started remoting in to play WoW, which was within the past 2-3 weeks. Never noticed it before then.