Malice
Talent · AssassinationChangedOpen in the talent calculator
MaliceRank 5/5
Increases your critical strike chance by 5%.
MaliceRank 5/5
Increases your critical strike chance with all attacks and Poisons by 5%.
News
Classic vs Forever
Every talent and spell WoW Forever added, changed or removed, with the Classic tooltip next to the new one.
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
MaliceIncreases your critical strike chance with all attacks and Poisons by 5%.ChangedTalent · AssassinationClassic Forever 
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 2to 1MovedTalent · Assassination
Cold BloodRow 5to 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 7to 5; Ranks1to 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 3to 2ChangedTalent · Assassination
Seal FateColumn 2to 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 99to 93;143 damageto 137 damageChangedSpell · Assassination- Expose ArmorMax rank
340 armorto 450 Armor;680 armorto 900 ArmorChangedSpell · Assassination 
RuptureMax rank 272 damageto 159 damage;380 damageto 222 damageChangedSpell · Assassination
Combat
- Improved EviscerateMax rank
15%to 20%; Moved from AssassinationChangedTalent · Combat 
Puncturing WoundsIncreases the critical strike chance of your Backstab by 30% and your Mutilate by 15%, and gives Backstab a 45% chance…NewTalent · Combat
DeflectionMax rank 5%to 6%; Ranks5to 3ChangedTalent · Combat
PrecisionMax rank 5%to 3%; Ranks5to 3ChangedTalent · Combat- Improved BackstabIncreases the critical strike chance of your Backstab ability by 30%.RemovedTalent · Combat
EnduranceReduces the cooldown of your Sprint and Evasion abilities by 60%.ChangedTalent · Combat
Flawless ExecutionReduces the Energy cost of your Eviscerate ability by 10.NewTalent · Combat
Dual Wield SpecializationMax rank 50%to 25%ChangedTalent · Combat
Dagger SpecializationNow part of Hack and SlashRemovedTalent · Combat
Blade FlurryIncreases your melee attack speed by 20% and your melee attacks strike an additional nearby opponent. Lasts 15 sec.ChangedTalent · Combat
Hack and SlashWas Sword SpecializationChangedTalent · Combat
Fist Weapon SpecializationNow part of Hack and SlashRemovedTalent · Combat
Mace SpecializationNow part of Hack and SlashRemovedTalent · Combat
Weapon ExpertiseReduces the chance for your attacks to be Dodged or Parried by 2%.ChangedTalent · Combat
AggressionIncreases the damage of your Sinister Strike, Backstab, and Eviscerate abilities by 6%.ChangedTalent · Combat- GougeCauses 75 damage, stops your attack, and incapacitates the target for 4 sec. The target must be facing you. Any damage…ChangedSpell · Combat
Subtlety
CamouflageMax rank 5 secto 6 sec; Row2to 1ChangedTalent · Subtlety
Master of DeceptionRanks 5to 3ChangedTalent · Subtlety
OpportunityMax rank 20%to 10%; Ranks5to 2ChangedTalent · Subtlety
SetupMax rank 45%to 100%; Row4to 2ChangedTalent · Subtlety
ElusivenessReduces the cooldown of your Vanish and Blind abilities by 90 sec.ChangedTalent · Subtlety
Dirty TricksReduces the Energy cost of your Sap and Blind abilities by 50%.NewTalent · Subtlety
Improved AmbushRow 3to 2MovedTalent · Subtlety
Sleight of HandReduces the chance you are critically hit by melee and ranged attacks by 2% and increases the threat reduction of your…RemovedTalent · Subtlety
InitiativeMax rank 75%to 100%ChangedTalent · Subtlety
Ghostly StrikeA strike that deals 125% (180% if a Dagger is equipped in your Main Hand) weapon damage and increases your chance to…ChangedTalent · Subtlety
Improved DistractIncreases the radius of your Distract ability by 5 yds, and further reduces the Stealth detection of distracted enemies…NewTalent · Subtlety
Heightened SensesRow 5to 4ChangedTalent · Subtlety
Premeditation10 secto 20 sec; Row7to 4; No longer needs PreparationChangedTalent · Subtlety
Serrated BladesCauses your attacks to ignore 9% of your target's Armor and increases the damage dealt by your Rupture ability by 30%.ChangedTalent · Subtlety- Improved SapGives you a 90% chance to return to stealth mode after using your Sap ability.RemovedTalent · Subtlety
Dirty DeedsColumn 3to 1ChangedTalent · Subtlety
HemorrhageColumn 4to 3ChangedTalent · Subtlety
QuietusYour Sinister Strike, Ghostly Strike, and Hemorrhage abilities cause 10% more damage against targets below 35% health.NewTalent · Subtlety
CutthroatYour Backstab has a 15% chance to cause your next Ambush within 10 sec to not require Stealth.NewTalent · Subtlety
DeadlinessIncreases your Attack Power by 10%.RemovedTalent · Subtlety- Thousand CutsWhen your Rupture ability deals periodic damage, the Energy cost of your next Hemorrhage or Backstab ability within 10…NewTalent · Subtlety
- SapIncapacitates the target for up to 45 sec. Only works on Humanoids that are not in combat. Any damage taken will break…ChangedSpell · Subtlety
- DistractThrows a distraction, attracting the attention of all nearby enemies and reducing their Stealth detection as if they…ChangedSpell · Subtlety
Lockpicking
Poisons
Crippling PoisonCoats a weapon with poison that lasts for 30 minutes. Each strike has a 30% chance of poisoning the enemy, slowing their…ChangedSpell · Poisons- Instant Poison
19 to 25to 13 to 17;40to 60ChangedSpell · Poisons 
PoisonsYou can create and mix poisons, with both found and storebought ingredients.ChangedSpell · Poisons
Mind-numbing Poison50to 75ChangedSpell · Poisons- Instant Poison II
30 to 38to 20 to 26;55to 85; Ranks1to 2ChangedSpell · Poisons 
Deadly Poison36to 24;60to 90ChangedSpell · Poisons
Wound Poison55to 67ChangedSpell · Poisons
Blinding PowderCreate the reagent for the Blind ability.ChangedSpell · Poisons- Instant Poison III
44 to 56to 29 to 37;70to 105; Ranks1to 3ChangedSpell · Poisons - Deadly Poison II
52to 36;75to 115; Ranks1to 2ChangedSpell · Poisons - Mind-numbing Poison II
75to 115; Ranks1to 2ChangedSpell · Poisons - Wound Poison II
75to 92; Ranks1to 2ChangedSpell · Poisons - Instant Poison IV
67 to 85to 45 to 57;85to 1800; Ranks1to 4ChangedSpell · Poisons - Deadly Poison III
80to 56;90to 135; Ranks1to 3ChangedSpell · Poisons - Wound Poison III
105to 128; Ranks1to 3ChangedSpell · Poisons - Crippling Poison IIRanks
1to 2ChangedSpell · Poisons - Instant Poison V
92 to 118to 62 to 80;100to 150; Ranks1to 5ChangedSpell · Poisons - Mind-numbing Poison III
100to 150; Ranks1to 3ChangedSpell · Poisons - Deadly Poison IV
108to 72;105to 160; Ranks1to 4ChangedSpell · Poisons - Wound Poison IV
135to 165; Ranks1to 4ChangedSpell · Poisons - Deadly Poison V
136to 92;105to 180; Ranks1to 5ChangedSpell · Poisons - Instant Poison VI
112 to 148to 76 to 100;115to 175; Ranks1to 6ChangedSpell · Poisons
What changed during the beta, update by update, is in the patch notes. To try a build, use the talent calculator.