Some PC features released..
• FOV slider
• 100% mouse usable menus/mouse wheel scrolling
• Remappable keybindings for keyboard/mouse
• PC-specific UI
• Native multiplayer matchmaking
• Push to talk
• Logitech keyboard support
• LAN support (including offline mode)
• Control pad support
• Integrated v-sync option
• Support for higher resolutions
• Mouse smoothing options (can be disabled completely)
• Cloud save support
• Achievement support
• Friends list support
• no port forwarding required
SOURCE
Borderlands 2 | PC Gamer Love Letter