Xmir: xrandr outputs information is lost after root window resize.
$ xrandr Screen 0: minimum 320 x 200, current 1920 x 1200, maximum 32767 x 32767 VGA-0 disconnected DP-0 disconnected HDMI-0 disconnected DP-1 disconnected HDMI-1 disconnected DP-2 connected 1920x1200+0+0 520mm x 320mm 1920x1200@60.0Hz 59.88*+ DP-3 disconnected
# Now I resize the root window in the Mir shell...
$ xrandr Screen 0: minimum 320 x 200, current 1631 x 1098, maximum 32767 x 32767
Xmir: xrandr outputs information is lost after root window resize.
$ xrandr
Screen 0: minimum 320 x 200, current 1920 x 1200, maximum 32767 x 32767
VGA-0 disconnected
DP-0 disconnected
HDMI-0 disconnected
DP-1 disconnected
HDMI-1 disconnected
DP-2 connected 1920x1200+0+0 520mm x 320mm
1920x1200@60.0Hz 59.88*+
DP-3 disconnected
# Now I resize the root window in the Mir shell...
$ xrandr
Screen 0: minimum 320 x 200, current 1631 x 1098, maximum 32767 x 32767