WoW Forever Warlock Talents
The Warlock trees (Affliction, Demonology, Destruction) as the WoW Forever beta client ships them: 5 talents renamed and 29 with changed text against Classic Era, 12 identical.
The tree layout on this page is the beta client's current Talent table (build 1.60.1.69913), and it matches Classic Era 1.15.9.69722 slot for slot. Blizzard has not shipped the final Forever trees in readable client data, so treat positions, rank caps and arrows as vanilla's until a build changes them.
Warlock talent calculator
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Planner rules are Classic's: 51 points at level 60, five points per tier. Blizzard has not confirmed either for Forever. Share links are ours, not in-game import strings.
Every Warlock talent: Forever beta against vanilla
Affliction

Suppression Text changed
Forever beta Improves your chance to hit by 5% and reduces all threat you generate by 20%.
Vanilla rank 1 Reduces the chance for enemies to resist your Affliction spells by 2%.

Improved Corruption Text changed
Forever beta Reduces the casting time of your Corruption spell by 2 sec and increases the damage it deals by 10%.
Vanilla rank 1 Reduces the casting time of your Corruption spell by 0.4 sec.

Improved Curse of Weakness Same as vanilla
Increases the effect of your Curse of Weakness by 6%.
Improved Drain Soul Not readable
The beta client ships no readable spell for this slot.

Improved Life Tap Text changed
Forever beta Increases the amount of Mana awarded by your Life Tap spell by X%.
Vanilla rank 1 Increases the amount of Mana awarded by your Life Tap spell by 10%.

Soul Siphon was Improved Drain Life Renamed
Forever beta Increases the damage done or health drained by your Drain Life, Drain Soul, and Wrack spells by 12% per each of your other Affliction effects active on the target, up to a maximum increase of 36%.
Vanilla rank 1 Increases the Health drained by your Drain Life spell by 2%.

Improved Bane of Agony was Improved Curse of Agony Renamed
Forever beta Increases the damage done by your Bane of Agony by 2%.
Vanilla rank 1 Increases the damage done by your Curse of Agony by 2%.

Fel Concentration Text changed
Forever beta Gives you a 70% chance to avoid interruption caused by damage while channeling or casting your Drain Life, Drain Mana, Drain Soul, or Wrack spells.
Vanilla rank 1 Gives you a 14% chance to avoid interruption caused by damage while channeling the Drain Life, Drain Mana, or Drain Soul spell.

Amplify Curse Text changed
Forever beta Increases the effect of your next Curse of Weakness or Bane of Agony by 50%, or your next Curse of Exhaustion by 20%. Lasts 30 sec.
Vanilla rank 1 Increases the effect of your next Curse of Weakness or Curse of Agony by 50%, or your next Curse of Exhaustion by 20%. Lasts 30 sec.

Grim Reach Text changed
Forever beta Increases the range of your Affliction spells by 20%.
Vanilla rank 1 Increases the range of your Affliction spells by 10%.

Nightfall Text changed
Forever beta Gives your Corruption, Drain Soul, Drain Life, and Wrack spells a 4% chance to cause you to enter a Shadow Trance after damaging the opponent. The Shadow Trance reduces the casting time of your next Shadow Bolt spell by 100%.
Vanilla rank 1 Gives your Corruption and Drain Life spells a 2% chance to cause you to enter a Shadow Trance state after damaging the opponent. The Shadow Trance state reduces the casting time of your next Shadow Bolt spell by 100%, resets the cooldown on Shadow Cleave, and increases your next Shadow Cleave's damage by 100%.
Improved Drain Mana Not readable
The beta client ships no readable spell for this slot.

Siphon Life Text changed
Forever beta Transfers 11 health from the target to the caster every 3 sec. Lasts 30 sec.
Vanilla rank 1 Transfers 15 health from the target to the caster every 3 sec. Lasts 30 sec.

Curse of Exhaustion Text changed
Forever beta Reduces the target's movement speed by 30% for 12 sec. Only one Curse per Warlock can be active on any one target.
Vanilla rank 1 Reduces the target's movement speed by 10% for 12 sec. Only one Curse per Warlock can be active on any one target.

Improved Curse of Exhaustion Same as vanilla
Increases the speed reduction of your Curse of Exhaustion by 5%.

Shadow Mastery Same as vanilla
Increases the damage dealt or life drained by your Shadow spells by 2%.
Dark Pact Not readable
The beta client ships no readable spell for this slot.
Demonology

Improved Healthstone Same as vanilla
Increases the amount of Health restored by your Healthstone by 10%.

Improved Imp Text changed
Forever beta Increases the damage of your Imp's Firebolt spell by 30% and the effect of its Fire Shield spell by 30%.
Vanilla rank 1 Increases the effect of your Imp's Firebolt, Fire Shield, and Blood Pact spells by 10%.

Demonic Embrace Text changed
Forever beta Increases your total Stamina by 15%.
Vanilla rank 1 Increases your total Stamina by 3% but reduces your total Spirit by 1%.

Improved Health Funnel Text changed
Forever beta Increases the amount of health transferred by your Health Funnel spell by 40%, reduces its health cost by 30%, and reduces all threat your Health Funnel generates by 100%. Allows Health Funnel to be used regardless of your demon's health.
Vanilla rank 1 Increases the amount of Health transferred by your Health Funnel spell by 10%.

Improved Voidwalker Text changed
Forever beta Increases the effectiveness of your Voidwalker's Torment, Consume Shadows, Sacrifice, and Suffering spells by 30%.
Vanilla rank 1 Increases the effectiveness of your Voidwalker's Torment, Consume Shadows, Sacrifice and Suffering spells by 10%.

Fel Vitality was Fel Intellect Renamed
Forever beta Increases the maximum health and Mana of your Imp, Voidwalker, Succubus, Incubus, and Felhunter by 15%, and increases your maximum Mana by 15%.
Vanilla rank 1 Increases the maximum Mana of your Imp, Voidwalker, Succubus, Incubus, and Felhunter by 3%.

Improved Sayaad Text changed
Forever beta Increases the effect of your Succubus' and Incubus' Lash of Pain and Soothing Kiss spells by 30%, and increases the duration of your Succubus' and Incubus' Seduction and Lesser Invisibility spells by 30%.
Vanilla rank 1 Increases the effect of your Succubus' and Incubus' Lash of Pain and Soothing Kiss spells by 10%, and increases the duration of your Succubus' and Incubus' Seduction and Lesser Invisibility spells by 10%.

Fel Domination Same as vanilla
Your next Imp, Voidwalker, Succubus, Incubus, or Felhunter Summon spell has its casting time reduced by 5.5 sec and its Mana cost reduced by 50%.
Fel Stamina Not readable
The beta client ships no readable spell for this slot.

Master Summoner Text changed
Forever beta Reduces the casting time of your Imp, Voidwalker, Succubus, Incubus, and Felhunter Summoning spells by 4 sec and the Mana cost by 40%.
Vanilla rank 1 Reduces the casting time of your Imp, Voidwalker, Succubus, Incubus, and Felhunter Summoning spells by 2 sec and the Mana cost by 20%.

Unholy Power Text changed
Forever beta Increases all damage done by your Imp, Voidwalker, Succubus, Incubus, and Felhunter pets by 10%.
Vanilla rank 1 Increases the damage done by your Voidwalker, Succubus, Incubus, and Felhunter's melee attacks by 4%.

Improved Subjugate Demon Same as vanilla
Reduces the Attack Speed and Casting Speed penalty of your Subjugate Demon spell by 2% and reduces the resist chance by 2%.

Demonic Sacrifice Text changed
Forever beta When activated, sacrifices your summoned Demon to enhance the opposing aspect of your power, granting you an effect that lasts 120 min. The effect is canceled if any Demon is summoned. Imp: Increases your Shadow damage by 15%. Voidwalker: Restores 2% of your total Mana every 4 sec. Succubus/Incubus: Increases your Fire damage by 15%. Felhunter: Restores 3% of your total Health every 4 sec.
Vanilla rank 1 When activated, sacrifices your summoned demon to grant you an effect that lasts 30 min. The effect is canceled if any Demon is summoned. Imp: Increases your Fire damage by 15%. Voidwalker: Restores 3% of total Health every 4 sec. Succubus/Incubus: Increases your Shadow damage by 15%. Felhunter: Restores 2% of total Mana every 4 sec.

Improved Firestone Same as vanilla
Increases the bonus Fire damage from Firestones and the Firestone effect by 15%.

Master Demonologist Text changed
Forever beta Grants both the Warlock and the summoned demon an effect as long as that demon is active. Imp - Increases Fire damage done by 10%. Voidwalker - Reduces Physical damage taken by 10%. Succubus/Incubus - Increases Shadow damage done by 10%. Felhunter - Reduces Magic damage taken by 10%.
Vanilla rank 1 Grants both the Warlock and the summoned demon an effect as long as that demon is active. Imp - Increases threat caused by 4%. Voidwalker - Reduces physical damage taken by 2%. Succubus/Incubus - Increases all damage caused by 2%. Felhunter - Increases all resistances.2 per level.

Soul Link Text changed
Forever beta When active, 30% of all damage taken by the caster is taken by your Imp, Voidwalker, Succubus, Incubus, or Felhunter Demon instead. In addition, both the Demon and the master will inflict 3% more damage. Lasts as long as the Demon is active.
Vanilla rank 1 When active, 30% of all damage taken by the caster is taken by your Imp, Voidwalker, Succubus, Incubus, or Felhunter demon instead. In addition, both the demon and master will inflict 3% more damage. Lasts as long as the demon is active. Cannot be used while Metamorphosis is active.

Improved Spellstone Same as vanilla
Increases the amount of damage absorbed by your Spellstone by 15%.
Destruction

Improved Shadow Bolt Text changed
Forever beta Your Shadow Bolt critical strikes increase Shadow damage taken by the target from your attacks by X% for 12 sec.
Vanilla rank 1 Your Shadow Bolt critical strikes increase Shadow damage dealt to the target by 4% until 4 non-periodic damage sources are applied. Effect lasts a maximum of 12 sec.

Cataclysm Text changed
Forever beta Reduces the Mana cost of your Destruction spells by 10%.
Vanilla rank 1 Reduces the Mana cost of your Destruction spells by 1%.

Bane Text changed
Forever beta Reduces the casting time of your Shadow Bolt, Immolate, and Incinerate spells by 0.5 sec and your Soul Fire spell by 2 sec.
Vanilla rank 1 Reduces the casting time of your Shadow Bolt and Immolate spells by 0.1 sec and your Soul Fire spell by 0.4 sec.

Aftermath Text changed
Forever beta Increases the initial damage of your Immolate spell by 50% and your Conflagrate spell has a 100% chance to Daze the target, reducing the target's movement speed by 50% for 5 sec.
Vanilla rank 1 Gives your Destruction spells a 2% chance to daze the target for 5 sec.

Improved Firebolt Same as vanilla
Reduces the casting time of your Imp's Firebolt spell by 0.5 sec.

Improved Lash of Pain Same as vanilla
Reduces the cooldown of your Succubus' and Incubus' Lash of Pain spell by 3 sec.

Devastation Text changed
Forever beta Increases the critical strike chance of your Destruction spells by 5%.
Vanilla rank 1 Increases the critical strike chance of your Destruction spells by 1%.

Shadowburn Text changed
Forever beta Instantly blasts the target for 66 Shadow damage. If a non-trivial target dies within 8 sec of being hit with Shadowburn, the caster gains a Soul Shard.
Vanilla rank 1 Instantly blasts the target for 87 Shadow damage. If the target dies within 5 sec of Shadowburn, and yields experience or honor, the caster gains a Soul Shard.

Intensity Text changed
Forever beta Gives you a 70% chance to resist interruption caused by damage while casting or channeling any Destruction spell.
Vanilla rank 1 Gives you a 35% chance to resist interruption caused by damage while channeling the Rain of Fire, Hellfire or Soul Fire spell.

Destructive Reach Text changed
Forever beta Increases the range of your damaging spells by 20%.
Vanilla rank 1 Increases the range of your Destruction spells by 10%.

Agonizing Flames was Improved Searing Pain Renamed
Forever beta Increases the critical strike chance of your Searing Pain spell by 10% and the damage done by all your Destruction spells by 10%.
Vanilla rank 1 Increases the critical strike chance of your Searing Pain spell by 2%.

Apocalypse was Pyroclasm Renamed
Forever beta Your non-periodic critical strikes with your Fire spells increase your Shadow damage done by 10% for 3 sec, and your non-periodic critical strikes with your Shadow spells increase your Fire damage done by 10% for 3 sec.
Vanilla rank 1 Gives your Rain of Fire, Hellfire, and Soul Fire spells a 13% chance to stun the target for 3 sec.

Improved Immolate Same as vanilla
Increases the initial damage of your Immolate spell by 5%.

Ruin Same as vanilla
Increases the critical strike damage bonus of your Destruction spells by 100%.

Emberstorm Text changed
Forever beta Increases the damage done by your Fire spells by 10% and reduces the cast time of your Searing Pain spell by 0.5.1 sec.
Vanilla rank 1 Increases the damage done by your Fire spells by 2%.

Conflagrate Text changed
Forever beta Ignites a target that is already afflicted by your Immolate spell, dealing 146 Fire damage and consuming your Immolate effect.
Vanilla rank 1 Ignites a target that is already afflicted by Immolate, dealing 240 Fire damage and consuming the Immolate spell.
Beta values are the single readable record per talent. They do not always correspond to vanilla rank 1, so compare the wording, not the rank.