You can see all the upcoming changes to racials (with developer comments) here:
https://forums.elderscrollsonline.com/en/discussion/453551/upcoming-racial-balance-changes-for-update-21/p1
Listed below are just the changes without any ZOS commentary:
High Elf
Increases Experience gain in Destruction Staff Skill Line by 15%, extra 1% Generic Experience gain → No changes
Spellcharge: 9% Magicka Recovery → Spell Recharge: Restore 575 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.
Gift of Magnus: 10% Max Magicka → Syrabane’s Boon: Increases your Max Magicka by 2000.
Elemental Talent: 4% Fire/Shock/Ice damage → Increases your Spell Damage by 258.
Argonian
Increases experience gain in Resto Staff Skill Line by 15%, extra 50% Swimming Speed → No changes
Resourceful: Gain 3% Max Magicka and restore 4620 Health, Magicka, and Stamina when you drink a potion → Increases your Max Magicka by 1000. Restore 3600 Health, Magicka, and Stamina when you drink a potion.
Argonian Resistance: 9% Max Health and 1485 Poison and Disease Resistance → Increases your Max Health by 1000 and your Disease Resistance by 2310. You are immune to the Diseased status effect.
Quick to Mend: 5% Healing Done and Received → Life Mender: Increases your Healing Done by 4%.
Wood Elf
Increases experience gain in Bow Skill Line by 15%, decreases fall damage taken by 10% → No changes
Y’ffre’s Endurance: 21% Stamina Recovery → Increases your Stamina Recovery by 258.
Resist Affliction: 6% Max Stamina and 1485 Poison and Disease Resistance → Increases your Max Stamina by 2000 and your Poison Resistance by 2310. You are immune to the Poisoned status effect.
Stealthy: Reduces detection Radius by 3m and Increases Damage Done in Stealth by 10% → Hunter’s Eye: Increases your Stealth detection radius by 3m. After you use Roll Dodge you gain 20% Movement Speed for 3 seconds.
Breton
Increases Experience gain in Light Armor Skill Line by 15%, extra 1% Alliance Point gain → No changes
Gift of Magnus: 10% Max Magicka → Increases your Max Magicka by 2000.
Spell Resistance: 3960 Spell Resistance → Gain 2310 Spell Resistance and 100 Magicka Recovery.
Magicka Mastery: 3% Magicka Cost Reduction → Reduces the Magicka cost of your abilities by 7%.
Dark Elf
Increases Experience gain in Dual Wield Skill Line by 15%, reduces damage taken from Lava by 50% → No changes
Dynamic: 6% Max Stamina and Magicka → Increases your Max Stamina and Magicka by 1250.
Resist Flame: 3% Max Magicka and 2079 Flame Resistance → Increases your Max Health by 600 and your Flame Resistance by 2310. You are immune to the Burning status effect.
Destructive Ancestry: 7% Flame damage and 2% Frost/Shock Damage → Ruination: Increases your Weapon and Spell Damage by 258.
Imperial
Increases Experience gain in One Hand and Shield Skill Line by 15%, extra 1% Gold gain → No changes
Tough: 12% Max Health → Increases your Max Health by 2000.
Conditioning: 10% Max Stamina → Imperial Mettle: Increases your Max Stamina by 2000.
Red Diamond: 10% Chance on Melee Attack to heal for 6% of Max Health → When you deal Direct Damage you have a 15% chance to heal for 1750. Reduces the cost of your Block and Bash abilities by 5%.
Khajiit
Increases Experience gain in Medium Armor Skill Line by 15%, 5% bonus change to successfully pickpocket → No changes
Nimble: 20% Health Recovery and 10% Stamina Recovery → Robustness: Increases your Health Recovery by 100 and your Stamina and Magicka recovery by 75.
Stealthy: Reduce detection radius by 3m and Increase damage from Stealth by 10% → Lunar Blessings: Increases your Max Health, Magicka, and Stamina by 750.
Carnage: Increase Weapon Critical Chance by 8% → Feline Ambush: Increases your Weapon and Spell Critical Chance by 8%. Reduces your detection radius in Stealth by 5m.
Nord
Increases Experience gain in Two Handed Skill Line by 15%, 15 extra minutes on drink buffs → No changes
Stalwart: 6% Max Stamina and 20% Health Recovery → Increases your Max Stamina by 1500. When you take damage, you gain 5 Ultimate. This effect can occur once every 10 seconds.
Resist Frost: 9% Max Health and 2079 Cold Resistance → Increases your Max Health by 1000 and your Cold Resistance by 2310. You are immune to the Chilled status effect.
Rugged: 6% damage reduction → Increases your Physical and Spell Resistance by 3960.
Orc
Increases Experience gain in Heavy Armor Skill Line by 15%, extra 10% Inspiration gain → No changes
Brawny: 6% Max Health and Stamina → Increases your Max Health and Stamina by 500.
Unflinching: Healing Received by 5% and 20% Health Recovery → Increases your Healing Received by 4%. When you deal damage with a weapon ability you restore 380 Health and Stamina. This effect can occur once every 4 seconds.
Swift Warrior: 4% Melee attack, 12% Sprint cost reduction and 10% Sprint Speed → 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
Increases One Hand and Shield Skill Line by 15%, 15 extra minutes on food buffs → No changes
Exhilaration: 9% Stamina Recovery → Martial Training: Reduces the cost of your Weapon abilities by 8%.
Conditioning: 10% Max Stamina → 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.