Soul Speed Boots lose durability and eventually break when riding minecart over Soul Soil.

Arrows fired into the side of bamboo or pointed dripstone never despawn

Shift-click + jump on Scaffolding causes bouncing

Leashing an iron golem breaks its pathfinding until reloading the world

Almost no naturally generating soul sand in nether wastes; changed soul sand generation after 1.13.2

Furnace creates client side light that doesn't update when it goes out

Horses take damage from being ridden and possible death