1. NPC Voice Lines Added, they will speak during various in-game situations.
2. Enhanced dismemberment system: severed limbs can now be further cut.
3. Added blood spurting effects when limbs are severed for a more realistic experience.
4. Mod system improvement, supports more weapon mods.
5. Added some new music from Metanoiz.
0.62 Update
Source: Steam Community (opens in a new tab)