User reported a work-around:
Edit (or create) /etc/X11/xorg.conf as follows: (ugh, can't format, should be a tab before each line except the first and the last).
Section "Device" Identifier "Intel Graphics" Driver "intel" Option "AccelMethod" "uxa" EndSection
Restart X (reboot, restart your display manager, whatever). Colors are back to the way they used to be and flash works.
User reported a work-around:
Edit (or create) /etc/X11/xorg.conf as follows: (ugh, can't format, should be a tab before each line except the first and the last).
Section "Device"
Identifier "Intel Graphics"
Driver "intel"
Option "AccelMethod" "uxa"
EndSection
Restart X (reboot, restart your display manager, whatever). Colors are back to the way they used to be and flash works.