The keyword suggests that players are eager to experience the specific features of this patch. Officially titled the "Grey Labyrinth" update (in some developer notes), Version 0.6.0 introduces a blend of quality-of-life improvements and substantial content. Here are the key highlights:

Official "free" versions of the full game do not exist. However, there are safe ways to play for less or try before you buy: Radiant Slime Sanctuary - Update 1.2.0 Notes

Searching for the version ensures you get a stable build of the game that includes these critical features, rather than the bare-bones initial Early Access release.