Minecraft Wiki
Minecraft 16w41a
Java Edition 16w41a.png

Java Edition



Release date

October 13, 2016

Snapshot for



Client (.json)

Protocol version


Data version


16w41a is the eleventh snapshot for Java Edition 1.11, released mainly to fix a few bugs with observers and pistons.[1]


Item durability bar
  • The colors of the durability bar, which is displayed on damaged items in the hotbar and inventories, have been changed.
    • The color is now bright during the entire length of the bar, when previously it would fade through a set of not so bright oranges and yellows, it will now fade through clear yellow and orange.
    • Also, the background of the durability bar is now completely black, where it used to be transparent.
  • Now have their own sound when equipped.
  • The spawn rate of llamas has been drastically reduced.


57 issues fixed
From released versions before 1.11
  • MC-341 – Duplication and deletion of hotbar items in Creative using number keys
  • MC-2912 – Creative Mode Hotbar Glitch when using Number Key to exchange items slots
  • MC-11416 – Dispenser / Dropper / Piston / Command block placing is not consistent
  • MC-14861 – teleporting using commands resets the velocity
  • MC-51662 – Sand/Gravel broken into entity by upward extending piston
  • MC-58614 – XP bar is not transparent (no alpha) when normal crosshair is not visible
  • MC-59303 – When placed next to a cactus, the head of bed remains same
  • MC-70806 – Blocks with a data value > 0 have missing texture in superflat customization
  • MC-73529 – Incorrect error message for @e[type=!Player,c=1,r=1]
  • MC-80692 – WitherBoss attacks ArmorStands
  • MC-96544 – Temperature Freezing Point Inconsistency
  • MC-97982 – Offhand slot frame rotated 180 degrees compared to hotbar
  • MC-98009 – Elytra equipment sound using Leather armor equipment sound
  • MC-99103 – The player can't see remaining time when they have a potion effect in Demo Mode
  • MC-99603 – Wolves, Dogs, and Ocelots fall out of the world
  • MC-99661 – Summoning a LeashKnot with a passenger entity crashes
  • MC-99814 – help -1 throws unknown command exception
  • MC-99900 – Enchantments boostrap class has the wrong error message when called before bootstrap
  • MC-101249 – Target selectors ignore invalid arguments
  • MC-102439 – Shield Desynchronizes
  • MC-102683 – "Elder Guardian Flops" showed as "Guardian Flops" in subtitles
  • MC-104901 – Suboptimal visibility and horrific look of the tool's durability bar colors
  • MC-105406 – OpenGL Leak in View Frustum
  • MC-105898 – Mushrooms and crops cause bed to drop; leaves "head" of bed behind, same with double plant
  • MC-108315 – Closing options with esc doesn't send player setting packet
  • MC-108409 – Villager makes disagree sounds when the player clicks arrows and trade boxes.
  • MC-108588 – Structure blocks save invalid data when saving a structure at 0, 0
  • MC-108700 – Wood breaking- incorrect subtitle
From the 1.11 development versions
  • MC-106296 – Wrong subtitle for sound (sounds.json mistake)
  • MC-107171 – maxEntityCramming is off-by-one
  • MC-107407 – Zooming out an explorer map turns the map blank
  • MC-107410 – Observer block outputs single game tick pulse, not single redstone tick pulse
  • MC-107600 – Observer block causes bottom half of bed to break
  • MC-107662 – Observers can cause blocks to be stuck in the powered state when being pushed by pistons
  • MC-107730 – Oberserver block powers air blocks
  • MC-107783 – Observer powers redstone dust only to level 1
  • MC-107795 – Redstone connects to Observer Blocks on sides
  • MC-107869 – Llamas often spawn in blocks and die while in mountainous regions
  • MC-107907 – Llama spit is not saved as entity
  • MC-107934 – Observers are placed with the input facing the player (unlike MCPE)
  • MC-107957 – Hopper: java.util.ConcurrentModificationException
  • MC-107959 – Buttonspamming with observerblocks
  • MC-108045 – Minecraft not using latest unifont unicode chart, characters are missing
  • MC-108054 – Observer rotates when being udpated, moved and then reloaded
  • MC-108216 – Copying then zooming out an explorer map make it lose its structure pointer
  • MC-108270 – Wither skeleton spawing quelled by normal skeletons
  • MC-108399 – No subtitle for when the totem of undying activates
From the previous development version
  • MC-108344 – Left-handed vindicators raise right arm when aggressive
  • MC-108348 – Totem of undying is not consumed/destroyed
  • MC-108349 – When a sticky piston (facing up with a block on it) is retracted while an entity is standing on it, the entity appears to sink into the ground.
  • MC-108354 – Incorrect subtitle when equipping a llama with a chest
  • MC-108357 – Naturally generated vindicators axe is missing
  • MC-108358 – Crash when 32 or more pistons retract in a single chunk (IllegalArgumentException)
  • MC-108378 – Crafting a Zoomed Out Map By a Hotbar Hotkey Won't Update It
  • MC-108480 – Johnny Vindicators attempt to attack armor stands
  • MC-108525 – shulker_box.png Default resource pack GUI 1 pixel too high (167 vs 166 pixel)
Private issues
  • MC-99599 – Server does not test if player is sleeping when receiving CPacketEntityAction.Action.STOP_SLEEPING[1]


Video made by slicedlime:


  • 16w41a was previously removed from the launcher for some time, but was added back in September 2018.