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

Priest changes

Discipline

Power in LightYour Smite and Penance spells deal 10% increased damage to targets afflicted with your Holy Fire.NewTalent · Discipline
Wand SpecializationColumn 3 to 2; Ranks 5 to 2ChangedTalent · Discipline
Twin DisciplinesIncreases the damage and healing of your instant cast spells by 5%.NewTalent · Discipline
Unbreakable WillIncreases your chance to resist Stun, Fear, and Silence effects by an additional 15%.RemovedTalent · Discipline
Silent ResolveRanks 5 to 3ChangedTalent · Discipline
Holy PrecisionImproves your chance to hit with Holy spells by 18%.NewTalent · Discipline
Improved Power Word: ShieldMax rank ~~15%~~ to 20%ChangedTalent · Discipline
MartyrdomRank 1 ~~10%~~ to 20%ChangedTalent · Discipline
Improved Power Word: FortitudeIncreases the effect of your Power Word: Fortitude and Prayer of Fortitude spells by 30%.RemovedTalent · Discipline
Mental AgilityRow 4 to 3; Ranks 5 to 3ChangedTalent · Discipline
Inner FocusWhen activated, reduces the Mana cost of your next spell by 100% and increases its critical effect chance by 25% if it…ChangedTalent · Discipline
MeditationMax rank ~~15%~~ to 50%; Column 3 to 4ChangedTalent · Discipline
Improved Inner FireIncreases the Armor bonus of your Inner Fire spell by 45% and increases its total charges by 12.ChangedTalent · Discipline
Mental StrengthMax rank ~~10%~~ to 15%; Row 5 to 4ChangedTalent · Discipline
Soul WardingReduces the cooldown on your Power Word: Shield spell by 4 sec and reduces its mana cost by 15%.NewTalent · Discipline
Improved Mana BurnMax rank ~~0.5 sec~~ to 1.0 secChangedTalent · Discipline
PenanceLaunches a volley of holy light at the target, causing 45 Holy damage to an enemy, or 134 healing to an ally, instantly…NewTalent · Discipline
Renewed HopeYour heals from Flash Heal, Binding Heal, Lesser Heal, Heal, Greater Heal, and Penance gain 10% increased critical…NewTalent · Discipline
Divine SpiritNow trained at level 30, no talent pointRemovedTalent · Discipline
Divine AegisYour critical heals create a protective shield on the target, absorbing 15% of the amount healed. Lasts 12 sec.NewTalent · Discipline
Force of WillIncreases your spell damage by 5% and the critical strike chance of your offensive spells by 5%.RemovedTalent · Discipline
Power InfusionNeeds PenanceChangedTalent · Discipline
Confounding FlashConfuses up to 5 enemies within 8 yds for 3 sec. Any damage taken will break the effect.NewSpell · Discipline
Contingency PlanPlace a Holy ward on an ally for 30 sec. The next time this ally takes damage dropping their Health below 35%, they will…NewSpell · Discipline
Divine SpiritNo talent point neededNo longer a talentSpell · Discipline
Power Word: FortitudeMax rank 54 to 70ChangedSpell · Discipline
Power Word: ShieldMax rank ~~942 damage~~ to 928 damageChangedSpell · Discipline
StarshardsMax rank ~~936~~ to 1800; Cooldown ~~none~~ to 30 secChangedSpell · Discipline
Elune's Grace~~10%~~ to 50%; Cost ~~60 Mana~~ to 3% of base manaChangedSpell · Discipline
FeedbackCost ~~580 Mana~~ to 230 ManaChangedSpell · Discipline
Mana BurnMax rank ~~789~~ to 788ChangedSpell · Discipline
LevitateAllows the caster to levitate, floating a few feet above the ground. While levitating, you will fall at a reduced speed…ChangedSpell · Discipline
Prayer of FortitudeMax rank 54 to 70ChangedSpell · Discipline
Prayer of SpiritPower infuses all party and raid members, increasing their Spirit by 40 for 1 hr.ChangedSpell · Discipline

Holy

Twilight FocusWas Healing Focus; Ranks 2 to 3ChangedTalent · Holy
Holy Nova~~29 to 34~~ to 26 to 30; ~~54 to 63~~ to 50 to 57ChangedTalent · Holy
Holy Nova
Talent · HolyChangedOpen in the talent calculator
Classic
Holy Nova
Causes an explosion of holy light around the caster, causing 29 to 34 Holy damage to all enemy targets within 10 yards and healing all party members within 10 yards for 54 to 63. These effects cause no threat.
Forever
Holy Nova
Causes an explosion of holy light around the caster, causing 26 to 30 Holy damage to all enemy targets within 10 yards and healing all party members within 10 yards for 50 to 57. These effects cause no threat.
Blessed RecoveryRank 2 ~~16%~~ to 17%ChangedTalent · Holy
InspirationYour non-periodic critical heals increase your target's Armor by 25% for 15 sec.ChangedTalent · Holy
Improved HealingReduces the Mana cost of your Lesser Heal, Heal, Greater Heal, Penance, and Prayer of Mending spells by 15%.ChangedTalent · Holy
Searing LightIncreases your Holy damage done by 5%, and gives a 10% chance each time your Holy Fire spell deals periodic damage for…ChangedTalent · Holy
Binding HealHeals a friendly target and the caster for 236 to 284. Low threat.NewTalent · Holy
Litany of LightWhen you cast a healing spell, gain Mana equal to 10% of the base cost of the spell if your previous heal was a…NewTalent · Holy
Spirit of Redemption~~10 sec~~ to 15 secChangedTalent · Holy
Spiritual GuidanceMax rank ~~25%~~ to 8%ChangedTalent · Holy
Improved Prayer of HealingReduces the Mana cost of your Prayer of Healing spell by 20%.RemovedTalent · Holy
Spiritual HealingRanks 5 to 3ChangedTalent · Holy
Prayer of MendingPlaces a spell on the target that heals them for 172 the next time they take damage or receive non-periodic healing.…NewTalent · Holy
LightwellNow trained at level 40, no talent pointRemovedTalent · Holy
Divine GraceInstantly heals a friendly target below 50% Health for 1285 to 1513 and removes Weakened Soul from that target. Cannot…NewSpell · Holy
ChastiseChastise the target, causing 272 to 306 Holy damage and Immobilizing them for up to 2 sec. Only works against Humanoids.…NewSpell · Holy
LightwellNo talent point neededNo longer a talentSpell · Holy
Desperate PrayerMax rank ~~1340 to 1579~~ to 1285 to 1513; Open to every raceAll racesSpell · Holy
Fear Ward~~10 min~~ to 3 min; Cooldown ~~30 sec~~ to 3 min; Open to every raceAll racesSpell · Holy
Lesser HealMax rank ~~143 to 165~~ to 157 to 181ChangedSpell · Holy
SmiteMax rank ~~384 to 429~~ to 167 to 186ChangedSpell · Holy
RenewMax rank ~~970 damage~~ to 830 damageChangedSpell · Holy
ResurrectionBrings a dead player back to life with 750 health and 1000 mana. Cannot be cast when in combat.ChangedSpell · Holy
HealMax rank ~~734 to 827~~ to 634 to 713ChangedSpell · Holy
Flash HealMax rank ~~828 to 975~~ to 774 to 910ChangedSpell · Holy
Holy FireMax rank ~~355 to 449~~ to 184 to 232; ~~145~~ to 75ChangedSpell · Holy
Prayer of HealingMax rank ~~1041 to 1099~~ to 631 to 667; Range ~~none~~ to 40 ydChangedSpell · Holy
Greater HealMax rank ~~1966 to 2194~~ to 1853 to 2067ChangedSpell · Holy

Shadow Magic

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