Many things have changed:

- AI slightly smarter
- Lighting updated
- Press E to pick up items implemented
- Camera shakes
- Sounds for when being hit
- 1 new item class (extra armour metal shards)
- Training and mine level updated
- Compass is always on
- Ammo names and storage system updated
- Weapon pickup to number slot implemented
- Save and load option implemented 

Since the recent release of the update, I found a few bugs which have since been fixed.