Classic vs Forever: every talent and spell change by class · stillsixty

Rogue changes

Assassination

Improved GougeMoved from CombatChangedTalent · Assassination
Remorseless AttacksAfter killing a non-trivial enemy, gives you a 40% increased critical strike chance on your next Sinister Strike,…ChangedTalent · Assassination
Remorseless Attacks
Talent · AssassinationChangedOpen in the talent calculator
Classic
Remorseless AttacksRank 2/2
After killing ~~an opponent that yields experience or honor~~, gives you a 40% increased critical strike chance on your next Sinister Strike, Backstab, Ambush, or Ghostly Strike. Lasts 20 sec.
Forever
Remorseless AttacksRank 2/2
After killing a non-trivial enemy, gives you a 40% increased critical strike chance on your next Sinister Strike, Backstab, Ambush, Mutilate, or Ghostly Strike. Lasts 20 sec.
MaliceIncreases your critical strike chance with all attacks and Poisons by 5%.ChangedTalent · Assassination
MurderIncreases all damage dealt by 4% against Humanoid and Giant targets.ChangedTalent · Assassination
Improved Expose ArmorReduces the Energy cost of your Expose Armor ability by 10, and refunds 2 Combo Points when cast with 5 Combo Points.ChangedTalent · Assassination
LethalityMax rank ~~30%~~ to 20%ChangedTalent · Assassination
Vile PoisonsColumn 2 to 1MovedTalent · Assassination
Cold BloodRow 5 to 4ChangedTalent · Assassination
Improved PoisonsIncreases the chance to apply Poisons to your target by 10%, and gives Poison applications a 50% chance to not consume a…ChangedTalent · Assassination
VigorRow 7 to 5; Ranks 1 to 2ChangedTalent · Assassination
MutilateInstantly attacks with both weapons for 75% weapon damage plus an additional 17 with each weapon. Damage increased by…NewTalent · Assassination
Improved Kidney ShotRanks 3 to 2ChangedTalent · Assassination
Seal FateColumn 2 to 3; No longer needs Cold BloodChangedTalent · Assassination
VenomFinishing move that increases the damage of your Poisons by 30% and your chance to apply Poisons by 10%. Lasts longer…NewTalent · Assassination
EviscerateRank 6 99 to 93; ~~143 damage~~ to 137 damageChangedSpell · Assassination
Expose ArmorMax rank ~~340 armor~~ to 450 Armor; ~~680 armor~~ to 900 ArmorChangedSpell · Assassination
RuptureMax rank ~~272 damage~~ to 159 damage; ~~380 damage~~ to 222 damageChangedSpell · Assassination

Combat

Subtlety

Lockpicking

Pick LockAllows opening of locked chests and doors.ChangedSpell · Lockpicking

Poisons

What changed during the beta, update by update, is in the patch notes. To try a build, use the talent calculator.