New patch has been uploaded so now you can update your game.

Among other, here is the list of the major improvements in the game since the release:


Improvements:
- greatly increased stability for Windows, Linux, and Mac
- GUI quality of life improvements
- greatly reduced memory usage and performance tweaks
- new save system
- localization language improvements
- sounds overhaul
- new forests for world map
- many, many fixes for spells and abilities
- tweaks to units, adding Living perk for all normal units
- diplomacy tweaks
- balance improvements
- bigger zoom out

Additions:
- Multiplayer mode
- new Tutorial
- new units
- new spells
- new heroes and many new models for existing ones
- Hot Seat for Arena
- new favorite spells tab keeping last eight used spells
- new informative tooltips on world features
- defensive buildings for each race
- free Titans DLC
- new particle effects for spells
- autoscouting for units
- quickstart mode

New units:
- Sprite
- Chimera
- Phantom Beast
- Slime
- Skeleton
- Wight
- Floating Island
- Angel
- Archangel
- Fire Giant
- Wraith
- Unicorn

New heroes:
- Verne Stargrove
- Dran
- Klickwyk
- Drax
- Guldor Zeugme
- Draylik
- Kjorgi
- Bonebasher
- Ven'dral
- Sigfrida Blackwing
- Gontar

New heroes models:
- Lady Lavinia
- Amu-Hah Shekala
- General Krull Darkheart
- Kathentira Dire
- Autumn Leaf
- Aquestrielle
- Ixi
- Pilarica
- Monica Bloodblade
- Darren Burnett
- Kelithengol
- Adalas
- Izzir the Damned
- Aledar Malar
- Cirrym the Learned
- Tulvan Dreamchaser
- Crombie

New spells:
- Blazing Barrier
- Crusade
- Thick Mist
- Gravity
- Flaming Guardians
- Wall of Fire
- Wall of Air
- Blur
- Circle of Protection
- Flood
- Dragon
- Astral Garrison
- Fire Giant
- Sprites
- Chimeras
- Phantom Beast
- Slime
- Raise Skeletons
- Raise Wights
- Raise Wraiths
- Floating Island
- Unicorns
- Angel
- Archangel

You can discuss the latest patch here:
http://steamcommunity.com/app/265970/discussions/0/541906989398790370/