Thanks to all those who provided feedback and reported bugs, it helped us find (and then fix) so many more bugs than we thought! 

New

• 5 new Relics
• 4 new Stats (Piercing, Enemy Speed, Healing, Tickspeed)
• Spawn biome (a field of flowers)
• Procedural post-nightmare difficulties (who can get to Nightmare 69?!)
• Sounds to all abilities
• Sounds to most events (level ups, death, etc.)

Changes and Balancing

• savegames are now saved slightly different THIS BREAKS OLD SAVES
  
• enemies do not drop crystals anymore for now (find crystal rocks!)
• crystal rocks spawn way more frequently and contain way more crystals
• armor is now flat damage reduction (damage received cannot go below 1)
• tweaked most relic effects
• tweaked ability stats
• improved contrast with some menues
• removed abilite size scaling (they were getting a little too big)
• enemy difficulty scaling is now exponential, but slower early on
• tweaked player experience scaling (see the post above)
• tweaked enemy spawning
• changed enemy sounds and their volume
• changed sounds to be 3D now, increasing immersion
• changed ambience sound
• difficulty meter stages have 5 pips each now (except the first two)
• increased the threshold for dithering, making it easier to see through trees
• decreased glow on experience orbs
• "+X% Cooldown reduction" is now  "-X% Cooldowns" for clarity
• depleted resources can now not be mined again when unloading them
• upgrade notice can now be clicked to open the upgrade window
• close buttons are now present in most windows
• Scene transitions are faster now

Bugfixes

• fixed Orbital Stars distance from player being changed by ability size
• fixed big number overflow and displaying in Engineering notation
• fixed distance traveled stat not correctly tracking
• fixed spawn area sometimes containing trees obstructing view
• fixed upgrade overlay not closing when dying (It's over, stop selecting stuff!)
• fixed base damage in skill tree not working
• fixed crystal rock hitboxes persisting after destruction, obstructing projectiles
• fixed level points not updating when the upgrade dialog is open
• fixed exploding enemy not rolling when spawning too small
• fixed rock hail not scaling with ability duration correctly
• fixed rock hail wrongfully scaling with projectile speed
• fixed rock hail hitboxes lingering after impact
• fixed cooldown reduction from relics actually increasing cooldown timer (WTF?)
• fixed savegames not correctly being created, overwriting the same savegame over and over (SORRY)
• fixed save state not properly reseting when returning to menu
• fixed relic/ability effect texts overflowing
• fixed difficulty meter being interactible