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I've recently installed 21.04 and I seem to be having an issue when I try to drag a selection box. Here's a GIF to illustrate the problem:

enter image description here

I have two monitors and the issue does not occur if I set them to duplicate or just use the one monitor. One of my monitors is 1080p whilst the other is 2560x1440 and I'm wondering if it's some compatibility issue? I can also see a tiny bit of the selection box on the right-side of my 2nd monitor (which is actually to the left of my primary monitor), not sure if it's relevant.

EDIT: I've just noticed that the issue only affects the right-most monitor. If I swap the monitors around (in display settings, not physically :D), then the issue affects the now right-most monitor.

I'm also seeing some slowness when I try to drag a window:

enter image description here

Any assistance would be greatly appreciated!

Information as requested: wmctrl -m Name: GNOME Shell Class: N/A PID: N/A Window manager's "showing the desktop" mode: OFF

printf 'Desktop: %s\nSession: %s\n' "$XDG_CURRENT_DESKTOP" "$GDMSESSION"

Desktop: ubuntu:GNOME

Session: ubuntu

ps -e | grep tty 2046 tty2 00:00:00 gdm-x-session 2048 tty2 00:09:35 Xorg 2216 tty2 00:00:00 gnome-session-b

echo $XDG_SESSION_TYPE x11

xrandr --listmonitors Monitors: 2 0: +*DP-0 2560/597x1440/336+1920+0 DP-0 1: +HDMI-0 1920/531x1080/298+0+0 HDMI-0

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    JUST A CONFIRMATION: This have happened to me (and, believe me or not - but right now) on my Debian computer. This is probably not only in Ubuntu. Thanks for posting this! May 17, 2021 at 17:33
  • Which window manager ( wmctrl -m), which desktop (printf 'Desktop: %s\nSession: %s\n' "$XDG_CURRENT_DESKTOP" "$GDMSESSION"), which display server (ps -e | grep tty or echo $XDG_SESSION_TYPE), which monitors (xrandr --listmonitors)?
    – kenn
    May 18, 2021 at 8:49
  • I acutally decided to just turn off 'Desktop Icons ning' in Gnome Tweaks > Extensions, seeing as I have no desktop icons anyway. This fixed the selection box issue. I still get the issue when I try move Brave. It also loads up very slowly the first time round. May 19, 2021 at 14:03

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