Theres loads in it, lots of items corrected etc so you'll have to take a loook at lunchtime

For locks in general:
Warlocks
* "Amplify Curse": This ability is now consumed correctly by a "Curse of Doom" casting.
* "Create Healthstone": These abilities will now be sorted in rank order in your spellbook.
* "Create Spellstone": These abilities will now be sorted in rank order in your spellbook.
* "Curse of the Elements" and "Curse of Shadow" now have a duration of 2 minutes when used on PvP targets.
* "Curse of Tongues" now has a 12 second duration when used on PvP targets.
* "Demonic Knowledge": This ability will now work with enslaved demons.
* "Enslave Demon": The health bar and mana bar for enslaved demons will no longer appear to go down when they become enslaved.
* Fixed some data errors that caused "Soul Leech" and "Conflagrate" to generate more threat than intended.
* "Improved Drain Soul": This talent will no longer trigger when a creature other than the one you are draining dies.
* "Insignia of the Alliance/Horde" and "Medallion of the Alliance/Horde" now remove "Fear", "Stun" and "Slowing" effects and no longer remove "Charm" and "Polymorph" effects.
* New art added for "Ritual of Souls" channeling focus and "Soulwell" created by the spell.
* "Ritual of Souls" no longer consumes a "Soul Shard" when cast in arenas.
* "Shadowfury" now properly benefits from the Intensity talent.
* "Spell Lock" (Felhunter) duration reduced to 5 seconds (rank 1) and 6 seconds (rank 2), and cooldown reduced to 24 seconds.
* "Soulwell" now plays a sound and visual effect when you create a "Healthstone" through using it.
* "Soul Link": Adjusted tooltip to explain that the damage transferred to the pet cannot be prevented. The functionality remains unchanged. This ability will now work with enslaved demons.
* "Unholy Power": The tooltip has been corrected to indicate it works with the Imp's "Firebolt".