We've now released 1.18 pre-release 3 with additional bugfixes and some performance improvements. In case you missed it, we've also announced the release date for 1.18! The update is set to release on November 30th, and you can read more about that here. Mark your calendars!

Fixed bugs in 1.18 Pre-Release 3

MC-109260 Full-width punctuation characters are rendered incorrectly
MC-185263 Non full chunks in cache memory "semi-leak"
MC-223840 Lava blocks from "Lava Aquifers" don't get updated when a cave cuts through underneath them
MC-231818 You can no longer use the up or down arrow to navigate between servers in the multiplayer menu
MC-236740 Server-side lag spike sometimes occurs when attempting to locate a buried treasure or opening/breaking a chest containing a map
MC-236764 Lighting lags behind world generation
MC-239397 Lava pockets generate in icebergs
MC-239610 Severe world corruption due to 1.18 snapshots failing to deserialize chunks that 1.17 loads fine
MC-239682 Out of memory crash: World generation exhausts Java heap space
MC-239950 Feature placement doesn't check for biomes, causing unnecessary lag
MC-240229 Rain and snow fall on the same blocks in a certain height range
MC-240483 Foxes that spawn in grove biomes aren't the snowy variant
MC-240589 Game froze for several minutes and then crashed while flying around and loading chunks
MC-241245 Generated Deepslate overwrites ore veins (mainly Iron ore veins)
MC-241255 Gigantic Performance Drop after a couple of minutes
MC-241352 Directory structure is not consistent between server and client

Minecraft 1.18 Pre-Release 3