The new version v0.21.4 is mostly bugfixes and optimizations. Thanks to all of those that found and reported bugs!
Additions
4 new space station parts in level editor
Fixes
Fixed custom controller loadouts not saving/loading
Fixed item mod wep / wep mod duplication issue
Changes & Improvements
Chaos explosions are more transparent
Plasma Field damage scale reduced by 10%
Drone projectiles damage scale reduced by 10%
Increased Nightmare mode spawn amount
MIRV missiles mini missile damage increased by 20%
MIRV missile mini missile count reduced from 4->3
Missile optimizations