Admins can now set the default preference settings.
You can remove votes without removing the reviewer now.
It fixes an issue with editing submodules in the inline edit
You can now turn of emails through the preference. (This is per user)
You can set in the gerrit config file a fail safe user for if you accidentally remove administrateServer permissions on all the users in that group. Can be handy just in case.
It also includes the new unified diff screen.
It also fixes commenting on mobile devices and tablets with touch screens.
previous T143089: Update gerrit to 2.12.5