Feature list in no particular order
Extra info about your device (About phone/tablet)
Custom Liquid Logo in about phone/tablet
Google bug report and ota removed
Option to show kernel toolchain and other info by tapping kernel version in about phone/tablet
Timeout and instant lock options added to slide unlock instead of just secure keyguard options
Developer options enabled by default
Navigation bar height control
Show application package name in app info
LiquidSmooth Stats and Updater added
Partition size info
Option to disable immersive messagges
Toast animations
Option to disable screenshot noise
Built in superuser options with Root access options
Hardware key rebinding
Call blacklist options
SMS rate limiting option
Filter spam notifications
Per app control for Lockscreen notifications
Configurable 0, 90, 180 and 270 degree rotation
Lots of settings switched from checkboxes to switchboxes
Safe headset volume option
Less annoying sound notifications option
option to use volume keys to control media volume anytime
Option to custimize device hostname
Option to not wake up device when charge is plugged/unplugged
Volume rocker wake up
IME switcher notification control
Option to disable fullscreen keyboard
Force autorotation on IME
Option to force show enter key
CM's Privacy Guard
Increasing ringtone option
Viper4android integrated
Dark ui for settings
Battery and notification light options
Screen Density changer
Statusbar clock customization
Option to disable searchbar in recents
Statusbar brightness control
Double tap statusbar to sleep control
Custom Lockscreen shortcuts
Option for offscreen gestures (HTC One M8 and 1+1 (bacon) only)