The new set bonuses are listed below, sorted by class and set name.
(+/-) Lore-master
Restoration
2: 704 Tactical Mastery Rating
3: Heal over time added to Beacon of Hope
4: 76 Will
5: Damage Negation on Wisdom of the Council becomes a self-heal and occurs more frequently
Storm-caller’s
2: 704 Critical Rating
3: 10% Fire skill damage
4: 76 Vitality
5: Light of the Rising Dawn resets Sticky Gourd Cooldown on Critical Hit
Tradition
2: 365 Maximum Morale
3: -50% Chance to break Daze on damage
4: 76 Will
5: Frost-lore silences targets for 10s
Minstrel
Harmonious
2: 704 Tactical Mastery Rating
3: -25% Cooldown of Gift of the Hammerhand
4: 76 Will
5: Soliloquy of Spirit removes 1 poison, disease, fear, or wound effect every 2s for 10s
Resonance
2: 365 Maximum Morale
3: Coda of Resonance provides 912 Finesse to your Fellowship
4: 76 Will
5: Call to Greatness affects two targets.
Dissonance
2: 704 Critical Rating
3: 7% Ballad Damage
4: 76 Vitality
5: Coda of Fury recovers Cry of the Wizards on critical hit
Rune-keeper
Thunder-struck
2: 704 Critical Rating
3: 5% Shocking Words stun chance
4: 76 Vitality
5: Essence of Storm removes the induction from Essence of Winter on critical hit
Scalding Wit
2: 704 Tactical Mastery Rating
3: 10% Smouldering Wrath damage
4: 76 Will
5: Fiery Ridicule provides induction knockback immunity for 10s upon critical hit
Tranquility
2: 704 Tactical Mastery Rating
3: Epic for the Ages removes disabling effects
4: 76 Will
5: Mending Verse initial heal applied to both target and caster
Burglar
Unseen
2: 2 Stealth Level; 352 Critical Rating
3: 10% Run Speed
4: 76 Agility
5: Surprise Strike on hit 5% devastating critical chance for 15s (Stacks 4 times)
Pandemonium
2: 388 Physical Mastery Rating
3: Knives Out: Applies a bleed to attackers that stacks 3 times.
4: 76 Vitality
5: Riddle is applied to two targets
Chance
2: 776 Evade Rating
3: 5% Stacking Damage bonus on evade (Stack duration increased)
4: 76 agility
5: Lucky Strike silences target for 10s; Gambler’s Strike silences target for 10s
Warden
Spear Lord
2: 776 Critical Rating
3: Power Attack, Mighty Blow, and Unerring Strike bleed damage increased by 25%
4: 76 Might
5: Reduces target’s Incoming Healing by 20% when using Onslaught, Adroit Maneuver, and Warden’s Triumph
Solidarity
2: 786 Physical Mitigation; 1747 Tactical Mitigation
3: 20% Spear-Shield Damage Bonus
4: 76 Vitality
5: 25% Chance to Knock Down target when using Maddening Strike, Celebration of Skill, and Restoration
Vigilance
2: 776 Physical Mastery Rating
3: 10% Fist Gambit Damage
4: 76 Might
5: Applies a 25% Movement Reduction and 10% attack duration increase to target when using Fierce Resolve, Resolution, or Desolation.
Captain
Command
2: 118.8 In-combat power regen
3: -25% Last Stand Cooldown
4: 76 Might
5: Sure Strike increases damage dealt to your target by 5% for 10s
Perseverance
2: 776 Critical Rating
3: -20% Defeat Event Skills Cooldowns
4: 76 Might
5: Make Haste cures Slows and provides a 5s immunity to such
Loyalty
2: 786 Tactical Mitigation; 786 Physical Mitigation
3: -25% Escape from Darkness Cooldown
4: 76 Might
5: Routing Cry debuffs incoming healing by 35% for 10s
Champion
Shining Blades
2: 776 Physical Mastery Rating
3: 5% Ardour Damage
4: 76 Might
5: On Crit: Blade-storm reduces movement speed by 25% for 10s
Unyielding Rage
2: 776 Critical Rating
3: 50% Hamstring Duration
4: 76 Might
5: Remorseless Strike Pip Cost Removed
Resilient Warrior
2: 786 Tactical Mitigation; 786 Physical Mitigation
3: Battle-frenzy reduces incoming Tactical damage by 10% for 10s
4: 76 Might
5: Bracing Attack has a 50% chance to dispel up to 3 Poison, Disease, Fear, or Wound effects
Guardian
Resolution
2: 776 Block Rating
3: Turn the Tables grants a 10s immunity to further disabling effects
4: 76 Might
5: Catch a Breath removes slows and increases run speed by 15% for 3s
Fearless
2: 776 Physical Mastery Rating
3: -20% Thrill of Danger Cooldown
4: 76 Might
5: Whirling Retaliation has a 25% chance to disarm targets for 5s
Sovereign’s Blade
2: 776 Critical Rating
3: Brutal Assault has a 25% chance to grant a Block Response
4: 76 Vitality
5: Stagger no longer requires facing or critical hit
Hunter
Predator
2: 776 Critical Rating
3: -30s Heart Seeker Power Cost
4: 76 Agility
5: Merciful Shot reduces incoming healing by 25% for 10s
Entrapment
2: 1747 Tactical Mitigation
3: Needful Haste recovers Distracting Shot
4: 76 Vitality
5: Rain of Thorns Focus Cost removed
Precision
2: 776 Physical Mastery Rating
3: Penetrating Shot ignores additional mitigation
4: 76 Agility
5: Precision Stance reduces the duration of Crowd Control by 25%.
Of course, further tweaks may still be coming in the future, but expect the above listing to closely resemble the final product.