Release Notes - Minecraft: Java Edition - Version 1.17 Pre-release 1 - HTML format

Bug

  • [MC-19690] - Reducing maxHealth / max_health can cause fake death
  • [MC-65587] - Lag spike while loading player head textures/player skins
  • [MC-99680] - Heart jittering effect doesn't take absorption into account
  • [MC-104897] - End crystals placed on exit portals generated before 1.9 do not respawn the ender dragon
  • [MC-117708] - Credits background jitters
  • [MC-118757] - Increasing Game State Rain Level values make the game increasingly laggier and distorts UI
  • [MC-130523] - Void World spawns you at y=0 even if you entered 64 air blocks in customization
  • [MC-148809] - Structure block data length limited to 12
  • [MC-163945] - Intersecting structures can create corrupted block entities (spawner / chest)
  • [MC-189336] - Shifting around servers in the server list crashes the game (ArrayIndexOutOfBoundsException)
  • [MC-190952] - Apostrophe in "Developers of Mo' Creatures" heading is inconsistent with other apostrophes in credits
  • [MC-192889] - When placing certain heads or putting them in entities' head slot the game stutters
  • [MC-197942] - Leaves change to stone near Lava Pool (Recurrence of MC-48340)
  • [MC-198957] - End Portal Frames change to Stone near Lava Pool
  • [MC-202249] - Angering passive mobs in new nether chunks very far away from previously generated chunks, then entering a nether portal causes server to completely freeze
  • [MC-203131] - Setting the weight in Template Pool to high values will lag world and can cause out of memory error.
  • [MC-203558] - Lighting a candle is sometimes delayed
  • [MC-203661] - Flowing liquids look very dark through tinted glass
  • [MC-203704] - Candles don't show flame animations when particles are set to "Minimal"
  • [MC-204649] - Amethyst blocks don't make chime sounds when walked on by certain mobs
  • [MC-205035] - Powder Snow Bucket is not grouped with Snowball or buckets in creative inventory
  • [MC-208604] - While the mainhand is empty and there's a loaded crossbow in the offhand, the mainhand will appear invisible
  • [MC-209819] - Server crash when pathfinding to player that is teleporting away
  • [MC-211601] - Entities are loaded after scheduled ticks are processed causing detector rails, pressure plates, etc. to turn off
  • [MC-212142] - Applying glow ink on signs doesn't render the text bright without also having applied a custom color
  • [MC-212146] - Glow lichen can generate floating inside underground structures
  • [MC-212207] - Geodes generating inside icebergs
  • [MC-213062] - A ruined portal generated in an end portal
  • [MC-213799] - Dripleaf isn't properly held in the player's hand
  • [MC-214057] - Entities no longer showing flame animation when in water/lava at the same time
  • [MC-214636] - Small dripleaf leafs can overlap each other and cause z-fighting
  • [MC-214684] - Azaleas cannot be placed in flower pots
  • [MC-216276] - Lava pools break bedrock with custom world generation
  • [MC-218112] - SynchedEntityData is using locks incorrectly
  • [MC-218831] - Lots of missing shaders in the game assets
  • [MC-218972] - The glowing effect outline omits parts of entities if the entity is invisible
  • [MC-219762] - More performant noise blending algorithm in BlendedNoise
  • [MC-221554] - When searching, the goat spawn egg appears in the middle of the different boat types
  • [MC-221819] - Inconsistency: Enderman is able to pick up flowering azalea leaves, while unable to hold other types of leaves
  • [MC-221820] - Inconsistency: Enderman is able to pick up flowering azalea, while unable to hold normal azalea bush.
  • [MC-223021] - glShaderSource fails on some AMD drivers resulting in a crash on 1.17
  • [MC-223843] - Mycelium inside enderman_holdable.json twice
  • [MC-224159] - Absorbtion hearts don't have the wither heart effect
  • [MC-224349] - Attempting to save multiple debug profiles during the same second fails to properly save all but the first profile
  • [MC-224445] - Reloading resource packs with fabulous graphics causes screen to become black, after a few times causes crash for AMD drivers
  • [MC-224778] - Game crashes when there is a block with no facing block state in #wall_corals and a warm ocean tries to generate
  • [MC-224861] - Falling blocks disappear for a moment when landing
  • [MC-224862] - Azalea and Flowering Azaleas can take bone meal despite being on clay
  • [MC-225010] - Closing the inventory in creative mode while having an item on the cursor turns it into a ghost item
  • [MC-225129] - Players do not despawn until they respawn
  • [MC-225193] - Goats will attempt to ram entities that are outside of the world border
  • [MC-225315] - Selected text on signs blinks
  • [MC-225404] - The axe is still an appropriate tool for moss carpets
  • [MC-225722] - java.lang.IllegalArgumentException: bound must be positive
  • [MC-225773] - Axolotls can make ambient noises when they're playing dead
  • [MC-225843] - Snow layers can still generate floating over lakes
  • [MC-225850] - Grass, tall grass, flower, double flower, fern, large fern and tree can generate on sand or gravel
  • [MC-225853] - Minecraft sometimes crashes when trying to start 21w20a for the first time
  • [MC-225895] - Floating grass can still generate above lava lakes
  • [MC-225916] - Non-waxed oxidized copper blocks don't require at least stone tier to be mined
  • [MC-225919] - Coal Ore from fossils can generate through bedrock
  • [MC-225929] - Item statistic sorting not functioning
  • [MC-225978] - Non-waxed weathered copper blocks appear twice in needs_stone_tool.json
  • [MC-226192] - Crash upon attempting to create a new scoreboard objective: java.lang.NullPointerException: Cannot invoke "String.toLowerCase(java.util.Locale)" because "☃" is null

Edit/Copy Release Notes

The text area below allows the project release notes to be edited and copied to another document.