# OneBlock 5.1.2
*This file is for **Forge 1.21**.*
Bug fix release.
**Jumping into a dungeon portal froze the game.** No movement, no chat, no menu, and if you
quit you got a crash report. On a server it stopped ticking for everyone. The mod was
searching for the dungeon's structure inside a server tick, over an area 32x wider than it
was ever meant to be, so the whole game sat there until it finished.
The search now runs in the background over a sane area, and the world keeps running while
the dungeon opens. The first visit to a dungeon shows "Opening the ...", after that it's
instant.
Also fixed:
* The Pillager Outpost dungeon never had an outpost in it. Its dimension used a biome
outposts don't spawn in, so there was nothing to find. It's a taiga now.
* Dungeon portals and sessions no longer carry over if you leave a world and open a
different one without restarting the game.
* Return portals get cleaned up instead of piling up.
Server admins: the per-dungeon `searchRadiusChunks` option is now `searchRadiusCells`
(default 8). Old values are ignored, nothing to edit by hand.
**CodxLib is required.** Install the build matching your Minecraft version and loader. On
Fabric it needs to be 1.3.4 or newer.
Developer information
Projects on Modrinth are automatically available through a Maven repository for use with JVM build tools such as Gradle.
maven { name = "Modrinth"; url = "https://api.modrinth.com/maven" }