Hi Tarcisiosdo,
When you buy the bundle, you get all the released asset packs up to the point of purchase. Once you purchase the bundle, it doesn't get updated with future releases.
I leave you here a post with a detailed explanation on how to get the most out of the collection and the options to keep it updated:
https://krishna-palacio.itch.io/minifantasy-dungeon/devlog/701876/how-to-get-the...