Cinnamon, one the default desktops of Linux Mint (alongside Mate) has recently been updated. Version 2.6 has a boatload of fixes, tweaks and improvements. Here are some of them:
Better Recovery From Frozen Desktops
Some Cinnamon users experienced occasional desktop freezes. To fix this, Cinnamon has switched to the Cogl API for hardware that supports it. There is also a keyboard shortcut to restart Cinnamon if it freezes – Ctrl-Alt-Escape.