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Banner 1.9.1.png

Java Edition

Release date

March 30, 2016[1]

Development versions

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Client (.json)

Protocol version


Data version


Other editions of 1.9.1

1.9.1[2] was an update for Minecraft, which was released on March 30, 2016. 1.9.1 is not compatible with 1.9 servers. Due to a catastrophic multiplayer bug it was replaced with 1.9.2 same-day.


  • Added sound effects, while gliding in the Elytra.
    • Sound event item.elytra.flying
  • New armor attribute: generic.armorToughness
    • Damage formula is now damage = damage * ( 1 - max( defensePoints / 5, defensePoints - damage / ( 2 + toughness / 4 ) ) / 25 ), i.e. increased toughness means less armor defense point reduction from strong attacks.
    • Diamond armor has toughness 2, all other armor has toughness 0. A full set of diamond armor, therefore gives a toughness attribute of 8.


  • Session ID is now no longer printed by the game to the log files or to the launcher.[3]
  • Entity selector c (count) now sorts on proximity using true coordinates, not coordinates snapped to the grid.[4]
  • Hoppers can now push and pull items to and from chests, that are blocked from opening.
  • Increased limit per tick for scheduled tile ticks from 1,000 to 65,536.
  • Improved AI.
  • Shields no longer take damage when blocking weak attacks (less than 3 (Heart.svgHalf Heart.svg) damage).
  • Skeletons shoot less quickly on Easy and Normal difficulty.


13 issues fixed
From release versions older than 1.9
  • MC-7961 – Hopper can't fill or empty a chest if the chest is blocked from opening.
  • MC-56162 – Setting /worldborder damage amount 0 doesn't work.
  • MC-95352 – Spatial target arguments c, dx, dy, dz behave unexpectedly and inconsistently.
From release version 1.9
  • MC-90257 – A chain of command blocks may take more than 1 tick to traverse.
  • MC-93074 – Summoned arrows can't be assigned a scoreboard value (Too many arrows/spectral arrows cause command fail)
  • MC-96219 – Block duplication bug with pistons (ghost blocks).
  • MC-96927 – Selector c Targeting Inaccurate Entity Position
  • MC-98327 – Elytra texture transparency issues.
  • MC-98461 – Several languages (at least Frisian, Talossan, Ripuarian, Lojban, and LOLCAT) are not selectable, "Eesti (Eesti)" is listed as "Inglise (US)"
  • MC-98587 – Command block logic sometimes fails arbitrarily
  • MC-99060 – Elytra glowing effect is always black.
  • MC-99697 – Missnamed minecarts with hoppers and chests as "container.minecart"
From the 1.9.1 development versions
  • MC-99396 – Players attack animation missing
Other fixes
  • Fixed game engine adding non-existent entities (failed mob spawns, etc.) to its internal lists, increasing instability.[5]


  1. Players who already played previous 1.9 versions may still need to manually enable the crosshair option (or delete options.txt to reset the default values).


Video made by slicedlime: