Java Edition 1.12-pre4

Minecraft 1.12-pre4

1.12-pre4^[1] is the fourth pre-release for Java Edition 1.12.

Additions[edit]

/function
- Added new arguments:
  - if <selector> - runs the function only if the specified selector is found (currently only matches 1)
  - unless <selector> - runs the function except when the specified selector is found (currently only matches 0 or 2+)

MC-115025 – Clicking on recipe or on book to close crafting help additionally clicks in inventory
MC-116622 – Sometimes blocks from Creative inventory can't be placed or dropped
MC-116723 – Particles of cracks when breaking colored shulkers boxes appear with the old color
MC-117428 – /function with /execute "An unknown error occurred while attempting to perform this command"
MC-117450 – Fences and walls now connect to melons, pumpkins, and jack-o'lanterns
MC-117543 – Recipe book is inconsistent with existing UI elements
MC-117544 – Colored beds don't appear colored on maps

MC-117560 – Recipe book crashes the game upon attempting to craft
MC-117562 – Executing a function as an entity doesn't use new sender
MC-117563 – Crash when using enchanted bow to craft dispenser via recipe book
MC-117564 – Game crashes when you click "advancements" button while there is no advancement done
MC-117579 – Tools and weapons tab icon of recipe book isn't centered
MC-117580 – Recipe book doesn't update crafting grid if one of its slots already has enough items to craft as often as possible
MC-117586 – Feeding a parrot uses item in off-hand as well
MC-117589 – Feeding parrots cookies shows "fell out of world" death message
MC-117593 – Cookies kill invulnerable parrots in survival mode
MC-117605 – Ladders can be placed on transparent blocks if a solid block is nearby

Video made by slicedlime:

1.12-pre4 was previously removed from the launcher for some time, but was added back in September 2018.