When approaching flags and End portals, FPS drops drastically.

If you stay AFK for a while without doing anything and send a message in the chat, the FPS drops to 0fps just by sending the message.

When you have the darkness potion effect, the chat, letters and words in the pause menu, items, F3 will darken

Sometimes the arrows that the skeletons shoot at you don't hurt you, they bounce off or just pass by.

When you shoot Mobs with arrows in certain cases the arrows bounce causing it to be difficult to hit the Mobs in some cases.

Some objects in the secondary hand rotate strangely and have different strange positions

Rarely when you ride a llama in the position you ride is very strange.

When it starts or stops raining, in certain camera positions or angles you can see a patch of rain without the transition from rain to no rain, it remains like that for a few seconds.

Using the blinding or darkness effect underwater removes the characteristic blue filter of the water when submerged.

When a warden applies the darkness effect to you, the chat interface, item bar, and items become dark

Piercing arrows do not pierce as expected at level IV when hit entities are on the same block

Entering the Nether and waiting for ambient sounds from a Nether biome to play, and returning to the Overworld, ambient sounds are not disabled.

When flying with elytra in a 3x3 space with air without rockets, it will not let you fly.

Projectiles teleport visually when thrown or fired into water.