Full list of changes revealed

Earlier this morning, Mojang launched the primary Minecraft 1.17 pre-release.

From this level on, Mojang will largely solely be fixing bugs in Minecraft till the updates are formally launched. On prime of that, Minecraft pre-releases like this one don’t comply with the common snapshot schedule of releasing on Wednesdays, so ensure that to maintain a watch out for the subsequent Minecraft pre-release.

They additionally acknowledged that based mostly on suggestions from the Minecraft group, Mojang has determined to incorporate candles partly 1 of the Caves & Cliffs replace. Candles will turn out to be out there in Bedrock Minecraft shortly after the discharge of half 1, which is able to show to be a fantastic addition to Minecraft.

Read: How to download Minecraft 1.17 Caves and Cliffs update pre-release 1

Minecraft 1.17 Pre-Release 1

New Advancements In Minecraft

  • Added “Whatever Floats Your Goat!” for floating in a ship with a goat
  • Added “Wax on” for making use of wax to a Copper block!
  • Added “Wax off” for scraping wax off a Copper block!
  • Added “The Cutest Predator” for catching an axolotl in a bucket!
  • Added “The Healing Power of Friendship!” for teaming up with an axolotl and successful a battle
  • Added “Glow and Behold” for making an indication glow
  • Added “Light as a Rabbit” for strolling on powder snow with leather-based boots
  • Added “Surge Protector!” for having a lightning strike a lightning rod close to a villager with out setting the realm on fireplace
  • Added “Is it a Bird?” for a parrot via a spyglass
  • Added “Is it a Balloon?” for a ghast via a spyglass
  • Added “Is it a Plane?” for a dragon via a spyglass

Changes in Minecraft 1.17 Pre-Release 1

  • Candles have been added again to the inventive stock
  • Recipes for crafting and dying candles are as soon as once more out there
  • Candles now have a distinct texture when lit
  • Glowing textual content on indicators now has an outer glow, making textual content in darkish colors extra seen in the dead of night
  • Holding down the area bar now will increase the scroll velocity within the credit

The Caves & Cliffs Preview in Minecraft

Make positive to obtain the updated datapack for Minecraft 1.17!

Technical Changes in Minecraft 1.17 Pre-Release 1

  • Added started_riding, lightning_strike and using_item development triggers
  • Added supply situation to effects_changed set off
  • Added lightning_bolt sub-predicate
  • Added passenger, stepping_on and lightning_bolt properties to entity predicate
  • Added looking_at situation to participant sub-predicate
  • Expanded merchandise subject on merchandise predicate to gadgets
  • Expanded block subject on block predicate to blocks
  • Added F3+L shortcut to generate and persist efficiency metrics from in-game
  • F3+L on single-player worlds may also embody stories for the built-in server
  • Removed debug report command (use perf begin/cease for server efficiency measurement)
  • perf begin/cease command on devoted servers will now generate and persist server efficiency metrics

New Triggers in Minecraft


  • Triggered when participant begins driving a car or entity begins driving car at present ridden by participant
  • Conditions:
  • participant – both a participant that began driving or one of boat passengers


  • Triggered when lightning finishes (i.e. entity disappears)
  • Triggers for any participant on the server
  • Conditions
  • participant – participant for which this set off runs
  • lightning – predicate for lightning entity
  • bystander – predicate for one of the entities in a sure space round strike not harm by it


  • Triggered for each tick of utilizing gadgets (like crossbows, spyglass, fishing rods, and so forth)
  • Conditions
  • participant – gamers that makes use of merchandise
  • merchandise – merchandise getting used

Changed Triggers in Minecraft


  • Added supply triggers that matches entity that triggered the change
  • Might be empty when:
  • there is no such thing as a entity (for instance, impact gained from a beacon)
  • the impact is self-applied
  • impact is eliminated

Changed Predicates in Minecraft


  • merchandise subject expended to gadgets, now accepting an array of merchandise sorts


  • block subject expended to blocks, now accepting an array of block sorts


  • passenger – new sub-predicate for passenger instantly driving this car (if current, should match a number of)
  • stepping_on – location predicate for block entity is at present standing on
  • lightning_bolt – sub-predicate legitimate just for lightning bolt entity


  • looking_at – entity at present considered by participant
  • makes use of the identical line-of-sight guidelines as attacking mobs
  • precise detection radius is perhaps modified in future


  • blocks_set_on_fire – vary verify for of blocks set on fireplace by this entity
  • entity_struck – predicate for entities struck by this lightning (if current, should match a number of)

Performace Metrics Reporting in Minecraft

These will likely be saved to a zipper file in debug/profiling/.zip and may very well be used for efficiency regression evaluation if included in bug stories.

The precise metrics, output format, and names are vulnerable to vary between variations. Our plan is to proceed iterating on which metrics to seize.


Pressing F3+L whereas within the recreation will begin a recording for 10 seconds capturing metrics similar to tick durations, used heap sizes and different extra detailed stats.

Pressing F3+L earlier than the ten second restrict will finish the recording early.

This shortcut is at all times out there to purchasers, even on multi-player servers the place it should report client-side efficiency.


perf begin will begin a recording for 10 seconds capturing metrics similar to tick durations, used heap sizes and different extra detailed stats.

perf cease earlier than the 10-second restrict will finish the recording early.

Fixed Bugs in Minecraft 1.17 Pre-Release 1

  • MC-19690 – Reducing maxHealth / max_health may cause faux dying
  • MC-65587 – Lag spike whereas loading participant head textures/participant skins
  • MC-104897 – End crystals positioned on exit portals generated earlier than 1.9 don’t respawn the ender dragon
  • MC-117708 – Credits Minecraft background jitters
  • MC-118757 – Increasing Game State Rain Level values make the sport more and more laggier and distorts UI
  • MC-148809 – Structure block information size restricted to 12
  • MC-163945 – Intersecting buildings can create corrupted block entities (spawner / chest)
  • MC-189336 – Shifting round servers within the server list crashes the sport (ArrayIndexOutOfBoundsException)
  • MC-192889 – When putting sure heads or placing them in entities’ head slot the sport stutters
  • MC-197942 – Leaves change to stone close to Lava Pool (Recurrence of MC-48340)
  • MC-198957 – End Portal Frames change to Stone close to Lava Pool
  • MC-202249 – Angering passive mobs in new nether chunks very distant from beforehand generated chunks, then coming into a nether portal causes server to fully freeze
  • MC-203131 – Setting the burden in Template Pool to excessive values will lag world and may trigger out of reminiscence error.
  • MC-203558 – Lighting a candle is usually delayed
  • MC-203661 – Flowing liquids look very darkish via tinted glass
  • MC-203704 – Candles don’t present flame animations when particles are set to “Minimal”
  • MC-204649 – Amethyst blocks don’t make chime sounds when walked on by sure mobs
  • MC-205035 – Powder Snow Bucket shouldn’t be grouped with Snowball or buckets in inventive stock
  • MC-208604 – While the mainhand is empty and there’s a loaded crossbow within the offhand, the mainhand will seem invisible
  • MC-209819 – Minecraft server crash when pathfinding to participant that’s teleporting away
  • MC-211601 – Entities are loaded after scheduled ticks are processed inflicting detector rails, stress plates, and so forth. to show off
  • MC-212142 – Applying glow ink on indicators doesn’t render the textual content brilliant with out additionally having utilized a customized shade
  • MC-212146 – Glow lichen can generate floating inside underground buildings
  • MC-212207 – Geodes producing inside icebergs
  • MC-213062 – A ruined portal generated in an finish portal
  • MC-213799 – Dripleaf isn’t correctly held within the participant’s hand
  • MC-214057 – Entities now not exhibiting flame animation when in water/lava on the similar time
  • MC-214636 – Small dripleaf leafs can overlap one another and trigger z-fighting
  • MC-214684 – Azaleas can’t be positioned in flower pots
  • MC-216276 – Lava swimming pools break bedrock with customized world era
  • MC-218112 – SynchedEntityData is utilizing locks incorrectly
  • MC-218831 – Lots of lacking shaders within the recreation property
  • MC-218972 – The glowing impact define omits elements of entities if the entity is invisible
  • MC-219762 – More performant noise mixing algorithm in BlendedNoise
  • MC-221554 – When looking out, the goat spawn egg seems within the center of the completely different boat sorts
  • MC-221820 – Inconsistency: Enderman is ready to choose up flowering azalea, whereas unable to carry regular azalea bush.
  • MC-223021 – glShaderSource fails on some AMD drivers leading to a crash on 1.17
  • MC-223843 – Mycelium inside enderman_holdable.json twice
  • MC-224159 – Absorbtion hearts don’t have the wither coronary heart impact
  • MC-224445 – Reloading useful resource packs with fabulous graphics causes display to turn out to be black, after a couple of occasions causes crash for AMD drivers
  • MC-224778 – Game crashes when there’s a block with no dealing with block state in #wall_corals and a heat ocean tries to generate
  • MC-224861 – Falling blocks disappear for a second when touchdown
  • MC-224862 – Azalea and Flowering Azaleas can take bone meal regardless of being on clay
  • MC-225010 – Closing the stock in inventive mode whereas having an merchandise on the cursor turns it right into a ghost merchandise
  • MC-225129 – Players don’t despawn till they respawn
  • MC-225193 – Goats will try to ram entities which might be exterior of the world border
  • MC-225315 – Selected textual content on indicators blinks
  • MC-225404 – The axe remains to be an applicable instrument for moss carpets
  • MC-225722 – java.lang.IllegalArgumentException: certain should be optimistic
  • MC-225773 – Axolotls could make ambient noises once they’re enjoying useless
  • MC-225843 – Snow layers can nonetheless generate floating over lakes
  • MC-225850 – Grass, tall grass, flower, double flower, fern, giant fern and tree can generate on sand or gravel
  • MC-225853 – Minecraft generally crashes when attempting to begin 21w20a for the primary time
  • MC-225895 – Floating grass can nonetheless generate above lava lakes
  • MC-225916 – Non-waxed oxidized copper blocks don’t require a minimum of stone tier to be mined
  • MC-225919 – Coal Ore from fossils can generate via bedrock
  • MC-225929 – Item statistic sorting not functioning
  • MC-225978 – Non-waxed weathered copper blocks seem twice in needs_stone_tool.json
  • MC-226192 – Crash upon making an attempt to create a brand new scoreboard goal: java.lang.NullPointerException: Cannot invoke “String.toLowerCase(java.util.Locale)” as a result of “☃” is null

This video is an intensive overview of all the things the replace comprises:

Read: Minecraft Convention MINECON: Everything fans and convention-goers need to know

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