Anything not covered here is not updated for Pathfinder Roleplaying Game, and should be used as-is, including errata. This includes invocations from sources not included in the list below.

Hit Die: d8.

Class Skills
The warlock’s class skills are Bluff (Cha), Craft (Int), Disguise (Cha), Fly (Dex), Intimidate (Cha), Knowledge (arcana) (Int), Knowledge (planes) (Int), Knowledge (religion) (Int), Profession (Wis), Sense Motive (Wis), Spellcraft (Int), and Use Magic Device (Cha).
Skill Ranks Per Level: 2 + Int modifier.

Class Features
There are no changes to the warlock’s class features, except that references to Concentration skill checks should be replaced with concentration checks, as per the Casting Spells section of Chapter 9: Magic in the Pathfinder Roleplaying Game Core Rulebook.

Invocations not listed below are unchanged.

Least Invocations
All-Seeing Eyes (Complete Mage): Bonus on Perception checks.
Cold Comfort (Complete Mage): As per the errata for Complete Mage, this is a least invocation.
Leaps and Bounds: Gain bonus on Acrobatics checks.

Lesser Invocations
Crawling Eye (Complete Mage): Eye’s Stealth modifier is equal to your warlock level.
Hellrime Blast: The short descriptions of this ability are incorrect. A target failing its Fortitude save takes a -4 penalty to its Dexterity, as per the text of the description.
Spider-Shape (Drow of the Underdark):

Greater Invocations
Hellspawned Grace (Complete Mage): Transform into a hellcat for 1 round/2 warlock levels.

Pathfinder Conversion By Guile
Image by Syreene