New Stuff:

• Internals Editing completely overhauled to include Wires, Power Management, Loadouts and 70+ new modules
• Module Inventory has been replaced with unlocking Module Blueprints which let you exchange a new currency called 'Scrap'
• New Bosses: Cobalt (T5), Coreminer (T2)
• Cutscene and Takedown for Maxotaur
• New enemies and dangers in T5
• New abilities (Overclock, Energy Discharge, and more)

Old Stuff thats changed:

• Significant Internals Editing Menu Changes
• Ammo pickups now grant a consumable buff that makes your next reload free and gives you full ammo
• Rocket pickups now  grant a consumable buff that grants rockets on your next reload
• Player Rocket tweaks
• Melee tweaks
• projectile tweaks
• gun recoloring fixed
• some old bugs fixed
• many new bugs added