Can't check a horse's potion effects in a horse inventory

Horses kick you off in waterfalls.

If you die with custom max health (for example 100 max health), your max health will be back to 20

Absortion is not added when you eat more golden apples

Horse health over 60 not showing properly

Enchantments not showing stats in tooltip.

Invisible horses does not show their saddles/armor, and invisible donkeys does not show their saddle/chest.

Weakness potions showing nothing below "When Applied:"

Strength issue related to multiplayer and PvP

Coal blocks last longer than 9 pieces of coal in furnace

Performance on horses is broken

Other players are shown with an iron pickaxe on hand when they are holding another item

A world generation bug related to the farm villages in flat worlds

Ender Crystals can grief even if gamerule mobGriefing is set to false.

Some issues with the ender dragon portal spawning on an ender dragon death to get back to the overworld from the end

Potion effects are gone after entering the portal from killing the ender dragon at the end.

/scoreboard objectives setdisplay list (objective) always shows 0 as the score on single player.

Ice melting issues on The Nether

Lava still flows fast on the Nether and on the End

When a carrot/potato is planted on a farmland, and a player or mob lands on it and reverts the farmland to dirt, the carrot/potato crop stays there.

Torch's flame particles appearing on random location if there's a torch nearby.

Lag while loading chunks

Mobs can still revert farmlands to dirt even if mobGriefing gamerule is set on false.

Ender Dragon can still grief stuff like cobblestone and chests even if the gamerule mobGriefing is set on false.