multi-monitor: caja doesn't always show the desktop on the primary monitor (using a laptop as main/left monitor, and HDMI screen with higher res on the right, it surprisingly ends up showing icons on the right screen)
menu: search on non-accentuated versions (for instance, "method" should find mintlocale's im in French)
hidpi issues: top of mint menu is cut off in HiDPI (1920×1280)
gnome-system-monitor moves out of place in Expo
when battery is very low, battery icon isn't red.. 2% charge, with less than 5 minutes to go, still not red.. bar is red in CCC, icon is red in notification.. but not in applet (and also not in the CCC icon itself either)
When using Cinnamon bar at top, and secondary monitor with higher height than the main display, some apps like KDE Apps (Krita, Kdenlive) or Wine Based Apps (teamviewer) will display menus from toolbar in the wrong place. Being more specific: The menus will be displayed in the position that they should be displayed at main monitor, however in this case the window is maximized in the secondary monitor.
hovering over notifications which have buttons/widgets should not dim them ...
accessibility: ability to select files by hovering them
bashrc: # colored GCC warnings and errors --> export GCC_COLORS='error=01;31:warning=01;35:note=01;36:caret=01;32:locus=01:quote=01' (won't work until gcc 4.9)