Sniffer will drops spores blossom/Small dripleaf when sniffed on moss blocks.
Add some Ominous banner-like banners as trophy. Obtains via boss drops, Shepherd Villager's gifts (Hero of the Village),...
Sneak and right-click a bed to sleep without changing your respawn point.
Coral fans and Coral blocks can be bonemeal (only in warm ocean biome) to grow into coral reef
Copper block and its variations oxidize faster in rain and water.
Sneaking through sweet berry bushes. Wearing pants protects you from sweet berry bush damage.
Interact with your pets via shift + right-click (wolf, cat, horse, parrot) to pat them.
Chicken eggs on ground will try to hatch after it despawned.
Piglins treat golden trimmed armor as golden armor.
Right-click powder (gun powder, blaze powder, sugar, redstone, glowstone dust) to Sniffer will make it sniffs and... "To teach kids never to sniff something unknown." - Faewulf
Brushing parrots or chickens will drop feathers.
4 Element 2x2 paintings can now be placed in survival mode.
Shulker box will shows its custom name upon placed.
You can add items (by shift right-click) into empty suspicious sand and gravel.
Tamed animals wearing saddles won't move around.
Horses, donkeys, and mules can fit in boats!
Fish and squid now come in random sizes.
Clean filled maps using cauldron.
Bees are now half their default size.
Enchanting tables can accept bookshelves placed two blocks away and can see bookshelves through non-solid blocks.
Gain xp from harvesting crops.
Foxes can bury items in sand or gravel.