Have you ever been mining in recent versions and felt that your inventory was filling up too fast? Well with this datapack, it won't!
Inspired by me recently playing 1.2.5 with others, you can now venture into caves knowing you won't have to use up 5 slots on different types of stone that you'll only have like, 4 of each of.
There's a bit more changed like flowers but you get the gist. If you want a full list of affected blocks you can look in the changelogs.