Players randomly being teleported to the End while loading chunks that's created by previous version of Minecraft

Skeletons underwater could not take damage, and they are not trying to swim to the water surface

Anvils can not be smelted in the furnace

Water buckets can catch dying fish

Unlike sword, trident can accidentally break blocks in creative mode

Only players are poisoned by pufferfish

If a player open a chest that contains lots of written books with lots of contents in it, it will consume lots of network bandwith and let the game become very laggy

X-Ray by standing inside leaves in fast video model still unfixed now

Movement check should be optionally for a server

Hoppers couldn't inject water bottles to a brewing stand if there's another hopper sucked potions from it

Can't play sound when I plug off my earphones and plug in it again

Player stuck in flying mode when under a low network

When I updated my server from 1.11 to 1.11.2, I see players lost the statistics of pickup totems

When I standing on a cactus, my helmet lost its durability.

Formatting of the writable book: formatting codes appears differently in the written book, wrapping will let the next text become no format and black

Player keep jumping while standing in a flowing water near a stone slab and a wall, without pressing jump key

Player teleported back to the old position, server shows "xxx moves too quickly"

Server kills player which under a bad network