JacksonnR Hey, sorry for late response. Discord is mainly used for conversations, and forum is used for tutorials/guides.
To answer your question, Cobalt will never reset, unless something tragic happens, and somehow all previous saves/backups also get corrupted. On Cobalt, there is a resourceworld which is 1.17 generated, and it’s custom (entire world is caves,) but with all new blocks & ores, etc. Once 1.18 comes around, the main world will get expanded.