A new NPC in Town, Mystara, will now transmog your items to any other appearance you've collected for 100 gold per piece.

Characters are now awarded an additional Flask Point every 5 levels instead of every 10. Characters will now have a typical maximum of 7 Flask Points at level 30, up from 4.
Binder will now display a floating flask over his head when you have Flask Points to spend.
Almost every Flask Effect has been rebalanced, and 11 brand new effects have been added.
Flask Effect
Description
Lesser Regen Mana
+15 Mana Regeneration for 4 seconds
Lesser Regen Stamina
+15 Stamina Regeneration for 4 seconds
Lesser Regen Health
+15 Health Regeneration for 4 seconds
Lesser Vampire
Gain Lesser Vampire for 4 seconds, causing Hits to restore 10 Health over 5 seconds.
Lesser Protection
Receive 15% less damage for 4 seconds.
Relentless Regeneration
Mana and Stamina Regeneration cannot be halted for 4 seconds.
Mercy
Gain Mercy for 4 seconds. Mercy reduces the damage of the next Hit taken by 50%.
Cleanse
Removes all Crowd Control effects from you.
Regen Mana
+30 Mana Regeneration for 4 seconds
Regen Stamina
+30 Stamina Regeneration for 4 seconds
Regen Health
+30 Health Regeneration for 4 seconds
Duration Increase
Flask effects last 50% longer.
Diffusive Flask
Your Utility Flask applies its effects to all nearby allies.
Brutality
Gain Brutality for 4 seconds, increasing Bonus Damage by 30%.
Precision
Gain Precision for 4 seconds, increasing Critical Strike Chance by 15%.
Lethality
Gain Lethality for 4 seconds, increasing Critical Strike Damage by 15%.
Haste
Gain Haste for 4 seconds, increasing Attack Speed by 10%.
Rush
Gain Rush for 4 seconds, increasing Movement Speed by 25%.
Indomitable
Gain Indomitable for 4 seconds, cleansing and preventing all Crowd Control effects.
Vampire
Gain Vampire for 4 seconds, causing Hits to restore 20 Health over 5 seconds.
Protection
Receive 30% less damage for 4 seconds.
Lesser Wildshot
Gain Wildshot for 4 seconds. Wildshot causes Projectile skills to fire 2 additional projectiles and deal 15% less damage.
Bottled Inferno
Gain Avatar of Fire for 4 seconds, granting an On-Hit effect that Ignites the target for 30% of the damage dealt over 3 seconds.
Bottled Lightning
Gain Avatar of Lightning for 4 seconds, granting an On-Hit effect that generates chain lightning which chains for 30% of the damage to 2 additional targets.
Bottled Blizzard
Gain Avatar of Ice for 4 seconds, granting an On-Hit effect that applies a 25% Chill to targets for 2 seconds.
Unholy
Creates Desecrated Ground attached to you for 6 seconds.
Greater Regen Mana
+60 Mana Regeneration for 4 seconds
Greater Regen Stamina
+60 Stamina Regeneration for 4 seconds
Greater Regen Health
+60 Health Regeneration for 4 seconds
Greater Vampire
Gain Greater Vampire for 4 seconds, causing Hits to restore 35 Health over 5 seconds.
Greater Protection
Receive 50% less damage for 4 seconds.
Wildshot
Gain Wildshot for 4 seconds. Wildshot causes Projectile skills to fire 4 additional projectiles and deal 35% less damage.
New Legendary Bow: Deadeye Sovereign
Perfect Shots increase your Total Damage by 10% for 4 seconds, up to 30%. Imperfect shots remove all stacks.
Items now automatically vacuum to you when combat ends.
The new camera behavior intended to help gameplay while using a gamepad is now only enabled when using a gamepad.