shulker disappear

[smartlolXD]

i mined my shulker to pick it back but it disappeared it full items this is sucks happened 2 times this will be the worst thing

 

[CatBoyDinos]

i mined my shulker to pick it back but it disappeared it full items this is sucks happened 2 times this will be the worst thing

Please make a bug report HERE isntead of making threads about it.
Tip : Has happened to me 5x, break your shulkers slowly and test it with other blocks, if the server is lagging dont break the shulkers and break them later, aswell refrain from carrying stuff with shulkers.