Mojang Priority

Entities with passengers cannot travel through portals

When reaching the other side of a nether portal the animation plays forever until stepped out of

Chunks do not delete properly remaining in a newly created world if the same world name is reused

Anvils sometimes destroy items when falling on them even if they aren't placed successfully

Rails are not placed in the direction the player is looking

The end obsidian platform resets every time entities go through the end portal, which can cause blocks to be deleted

Sugar cane can be placed underwater

A dragon head is invisible if the entity wearing it is not in view

Whether or not a player experiences some effect is calculated based on the block under the center of the player

Item frames cause lag / huge FPS drops when rendered

Dispensed boats and rafts get stuck inside of dispensers used to place them

Snow covered grass/podzol/mycelium block side texture does not match original block

Beacon effect removes potion effect of the same type

Several mobs can pop off paintings, item frames and leads and destroy minecarts, armor stands and anything in item form even when mobGriefing is turned off

All arrow types lose their name/NBT data when shot and picked up

Mobs going out of fenced areas/suffocate in blocks when loading chunks

Encoding errors in server.properties

Transparent blocks placed between bookshelves and enchanting tables negate bonuses received from bookshelves

TNT animation ends at 80 ticks, ignores fuse length changes