1.19!! And fixing errors caused by the new worldgen system.
Can no longer combine tools without the grindstone (finally working)
Deep dark is completely quiet.
Debris now actually generates in jungles!
Ancient debris now generates in Fossils dynamically rather than hardcoded, and also only in the deepslate layer
The nether no longer has a roof, and will have "shattered" generation
The nether now has a new biome: the nether depths!
Sleeping players are now given the hunger effect
Phantoms will now spawn again but only if any players have not slept for at least 3 nights
Pumpkins now require silk touch to collect, and otherwise drop seeds
Naturally spawned zombie villagers now keep their profession when cured
Can now burn wheat as fuel
Cake recipe now requires sweet berries
All participants (should) now get the "free the end" advancement
Fixed pirates life achivement to work with beached shipwrecks (they have different structure ids as of 1.19)
Decreased the amount of villagers and golems for hero of the pillage
A few new achievements/rearanging of others!
More balancing of villager trades: Tool/weapon smiths can only sell 1 each restock, librarians only sell 3 Ebooks
Powered rails now require copper instead of gold
Mining fatigue now also gives the weakness effect
AntiAfk now also checks position in addition to rotation to make it harder to bypass
Spiders now drop slightly less string on average than cave spiders
Some creepers are now duds
Skeletons in jungles now sometimes fire poison arrows instead
hero of the village/bad omen now properly apply luck/badluck respectively
breaking villager workstations now raises their prices slightly
Rabbit litters are now genetically accurate
Pigs now have litters of 1-3 as well
A bunch of other miscellaneous bugs