Sounds reapeat when the player opens the inventory and close it

Barriers create shadows glitches when the world is updated

Projectiles can't move thought the Barrier Block

Fences connects to Barrier block

Barrier have shadows

Spectator Mode: press Shift + Space

Enchanting doesn't take all the xp when enchanting a item

Items entites doesn't work with /particle command

Items doesn't rotate when droped on the ground

Creative tabs titles flickering

/setblock replace doesn't replace same block with different tile entity

/setblock sign

/tellraw (and others) command doesn't support @p @a @r

If you use /say @p" in an command block, the output will be "[@] and Notch", not "[@] Notch"