JAVA 1.18 PRE-RELEASE 2
- MMG Admin
- Nov 16, 2021
- 3 min read
Updated: Nov 16, 2021
A Minecraft Java Pre-Release

The second pre-release for Minecraft Java is now available. In this pre-release, we've upgraded the Java version that is bundled with the game, and the game now uses Java 17. Other than this, we've mostly been busy fixing bugs. Enjoy!
TECHNICAL CHANGES IN 1.18 PRE-RELEASE 2 Minecraft now uses Java version 17. If you are using a default setup the Launcher will download and install the correct version. If you are using a custom Java setup or a third-party launcher, you will need to ensure that your Java installation is version 17 or above.
FIXED BUGS IN 1.18 PRE-RELEASE 2
MC-32813 - Floating water / lava above caves / cave carver doesn’t update water
MC-206303 - Minecarts have old textures on the bottom
MC-214963 - Mineshaft generation is non-deterministic
MC-217038 - Large dripstone structures can be generated outside the caves
MC-217056 - Some high-speed particles lag/freeze the game
MC-220061 - Painting back texture is mirrored
MC-223917 - Goats on fire do not attempt to pathfind towards water
MC-226689 - Albert Pastore’s name is grey and improperly indented in the credits
MC-227163 - Credits say ‘‘IT Manager’’ instead of ‘‘IT Managers’’
MC-227204 - “Explore, dream, discover” quote no longer appears after new credits
MC-227206 - Random names in the new credits use curly quotes/apostrophes
MC-227231 - Steven Silvester’s name is misspelt in the credits
MC-227239 - In the credits, Elizabeth Batson’s company name is improperly capitalized
MC-227329 - The usage and punctuation of “Inc” is still inconsistent in the credits
MC-231782 - Missing “(” in Frank Criscione credit
MC-236756 - Biome-exclusive mob spawn rates are reduced
MC-236858 - Seeds that spawn you in the middle of the ocean cause lag
MC-237608 - Server address shown when connection fails during server startup
MC-238049 - Passive mobs (cows, pigs, sheep, chickens) sometimes do not spawn
MC-238076 - UpgradeData in chunk is not migrated to new world height
MC-238375 - Crash and/or data corruption upon attempting to save a world with a world border center over 30 million blocks
MC-238587 - Sprinting while flying into a block causes the screen to rapidly zoom in and out
MC-239397 - Lava pockets generate in icebergs
MC-239423 - Kumi Tanioka isn’t under “Music composed by” in the credits
MC-239856 - Upgrading old worlds causes vines to have the wrong block state
MC-239857 - Fences, iron bars, and glass panes often use an incorrect block state after conversion
MC-239884 - Water from old chunks don’t properly propagate into new chunks
MC-239899 - Connected redstone does not properly upgrade from older versions
MC-240030 - Holes in worlds created in Alpha and Infdev below y=0 after conversion
MC-240494 - Duplicated mineshafts with new cave generation
MC-240507 - Mob Spawning in structures fails in pre-1.18 generated monuments/swamp huts/outposts
MC-240570 - Biomes in old chunks are not copied to new caves below Y=0 when chunks are extended
MC-240610 - “Allow Server Listings” option doesn’t save its last setting
MC-240783 - Powder snow does not reduce or negate fall damage
MC-241111 - Some Mojang employees are not mentioned in the credits
MC-241194 - Crash: java.lang.NullPointerException: Cannot invoke “ddm.a(cao, cps, java.util.Random, gh)” because the return value of “java.util.function.Supplier.get()” is null
MC-241199 - Double chests have incorrect block states after upgrading old worlds
MC-241208 - Powered buttons, pressure plates, and tripwire hooks remain powered forever after upgrading old worlds
MC-241234 - Fossils get cut off at chunk borders
MC-241413 - Floating water generates around ravines
GET THE PRE-RELEASE Pre-releases are available for Minecraft: Java Edition. To install the pre-release, open up the Minecraft Launcher and enable snapshots in the "Installations" tab.
Pre-releases can corrupt your world, so please make a backup and/or run them in a different folder from your main worlds.
Cross-platform server jar:
Minecraft server jar
Report bugs here:
Minecraft issue tracker!
Want to give feedback?
Head over to our feedback website or come chat with us about it on the official Minecraft Discord.

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