It's quite annoying to go through all of the Wrathstone PTS updates to somehow patch together all the changes made to the racials. That's why I thought it might be a good idea to have a comprehensive threads with all the racial changes updated to the latest version. I will keep this updated.

Updated to the 4.3.4 version of the PTS (no further racial changes were made in this version

Altmer (last update: 4.3.2)

• Increases Experience gain in Destruction Staff Skill Line by 15%, extra 1% Generic Experience gain
• Spell Recharge: Restore 645 Magicka or Stamina, based on whichever is higher, after activating a Class Ability. This effect can occur once every 6 seconds. Reduces damage taken by 5% while you are using an ability with a cast or channel time.The return for this passive will now restore your lowest maximum resource, rather than your highest.
• Syrabane’s Boon: Increases your Max Magicka by 2000.
• Elemental Talent: Increases your Spell Damage by 258.

Argonian (last update: 4.3.2)

• Increases experience gain in Resto Staff Skill Line by 15%, extra 50% Swimming Speed
• Resourceful: Increases your Max Magicka by 1000. Increased the Health, Magicka, and Stamina restore from drinking a potion to 4000 from 3620.
• Argonian Resistance: Increases your Max Health by 1000 and your Disease Resistance by 2310. You are immune to the Diseased status effect.
• Life Mender: Increased the Healing Done bonus to 6% from 4%.

Bosmer (last update: 4.3.3)

• Increases experience gain in Bow Skill Line by 15%, decreases fall damage taken by 10%
• Y’ffre’s Endurance: Increases your Stamina Recovery by 258.
• Resist Affliction: Increases your Max Stamina by 2000 and your Poison Resistance by 2310. You are immune to the Poisoned status effect.
• Hunter’s Eye: Increases your Stealth detection radius by 3m. After you use Roll Dodge you gain 10% Movement Speed for 6 seconds and a bonus to Physical and Spell Penetration of 1500 for the duration.

Breton (last update: 4.3.2)

• Increases Experience gain in Light Armor Skill Line by 15%, extra 1% Alliance Point gain
• Gift of Magnus: Increases your Max Magicka by 2000.
• Spell Attunement: Gain 2310 Spell Resistance and 100 Magicka Recovery. The Spell Resistance granted by this effect will now be doubled if you are afflicted with Burning, Chilled, or Concussed.
• Magicka Mastery: Reduces the Magicka cost of your abilities by 7%.

Dunmer (last update: 4.3.2)

• Increases Experience gain in Dual Wield Skill Line by 15%, reduces damage taken from Lava by 50%
• Dynamic: Increased the Max Magicka and Stamina granted to 1875 from 1250.
• Resist Flame: Increases your Flame Resistance by 2310. You are immune to the Burning status effect. Removed the Max Health bonus from this passive.
• Ruination: Increases your Weapon and Spell Damage by 258.

Imperial (last update: 4.3.3)

• Increases Experience gain in One Hand and Shield Skill Line by 15%, extra 1% Gold gain
• Tough: Increases your Max Health by 2000.
• Imperial Mettle: Increases your Max Stamina by 2000.
• Red Diamond: Reworked this passive so when you deal Direct Damage now, you restore 333 Health, Magicka, and Stamina. This effect has a 5 second cooldown. Reworked the 5% Block and Bash cost reduction to 3% cost reduction of all abilities (all the things!).

Khajiit (last update 4.3.3)

• Increases Experience gain in Medium Armor Skill Line by 15%, 5% bonus change to successfully pickpocket
• Robustness: Increases your Health Recovery by 100. Increased the Magicka and Stamina Recovery bonuses to 85 from 75.
• Lunar Blessings: Increased the Max Health, Magicka, and Stamina bonuses to 825 from 750.
• Feline Ambush: Reworked the 8% Spell and Weapon Critical Strike Chance to 10% Critical Damage and Critical Healing. Decreased the reduction of your Stealth radius to 3m from 5m.

Nord (last update: 4.3.0)

• Increases Experience gain in Two Handed Skill Line by 15%, 15 extra minutes on drink buffs
• Stalwart: Increases your Max Stamina by 1500. When you take damage, gain 5 Ultimate. This effect can occur once every 10 seconds.
• Resist Frost: Increases your Max Health by 1000 and your Cold Resistance by 2310. You are immune to the Chilled status effect.
• Rugged: Increases your Physical and Spell Resistance by 3960.

Orc (last update: 4.3.2)

• Increases Experience gain in Heavy Armor Skill Line by 15%, extra 10% Inspiration gain
• Brawny: This passive now grants 2000 Max Stamina instead of 500 Health and 500 Stamina.
• Unflinching: This passive now grants 1000 Max Health and heals you for up to 600 when you deal damage with a weapon, with a 4 second cooldown. Previously, it granted 4% Healing Taken, and 380 Stamina and Health when dealing damage with a weapon.
• Swift Warrior: Increases your Weapon Damage by 258. Reduces the cost of your Sprint ability by 12% and increases your Movement Speed while Sprinting by 10%.

Redguard (last update: 4.3.2)

• Increases One Hand and Shield Skill Line by 15%, 15 extra minutes on food buffs
• Martial Training: Reduces the cost of your Weapon abilities by 8%. Added a bonus that reduces the effectiveness of Snares applied to you by up to 15%.
• Conditioning: Increases your Max Stamina by 2000.
• Adrenaline Rush: When you deal damage with a melee attack you restore 792 Stamina. This effect can occur once every 5 seconds. → When you deal Direct Damage, you restore 950 Stamina. This effect can occur once every 5 seconds.