jnm2
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Reported
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Just got emailed about this now.
The mouse position is no longer an issue. What is a new related issue, if you follow the repro steps I have, is that the Minecraft window chooses the wrong fullscreen size:
[media]Again, this is when you've changed the DPI but haven't logged out and back in yet.
A separate note: the reason I was adjusting the DPI in the first place was that Minecraft's fullscreen mode was making the window 1.25x too big when I was using my normal 125% DPI.
Now it's not doing that any more, so I have no reason to fiddle with the DPI settings. But regardless, Minecraft should work after adjusting the DPI without you having to log out and back in. That's still an unresolved issue.
I've just observed this and I know why it was hard to reproduce. As soon as you log out or restart the computer the problem goes away.
It's a bug that only shows up in fullscreen when there is a pending DPI change.
Repro steps:
Set the system DPI to 125%
Log out of Windows
Log back in
Set the system DPI to 100%
Start Minecraft
If not in fullscreen, switch to fullscreen
Observe that the mouse cursor position does not match the highlighting on the screen
This pending-DPI behavior is totally a resolvable problem.
I suppose the receiving side of this would also have to have the mirroring update: creating a Windows socket bound to each network interface, and listening for the 224.0.6.2:4445 packet.