Compatibility

Supported platforms

Here is the compatibility matrix across all supported Minecraft versions and loaders:

Minecraft	Loader	Java	Required MTR Version	Supported Map Mods
1.21.1	NeoForge 21.1.x Fabric + Fabric API	21	4.1.0-beta.2	Xaero’s World Map 1.45.0+ JourneyMap 6.0.8+
1.20.1	Forge 47.x Fabric + Fabric API	17+	>=4.0.5, <4.1	Xaero’s World Map 1.45.0+ JourneyMap 6.0.6+
1.20.4	Forge 49.x Fabric + Fabric API	17+	>=4.0.5, <4.1	Xaero’s World Map 1.45.0+ JourneyMap 5.10.0

In git, 1.21.1 builds live on the main branch, while 1.20.1 and 1.20.4 builds are maintained on the MC 1.20 compatibility branch.

Choosing the right download

Download the single JAR matching your Minecraft version and loader:

• 1.21.1: NeoForge or Fabric
• 1.20.1: Forge or Fabric
• 1.20.4: Forge or Fabric

You can use Xaero’s World Map, JourneyMap, or both together. Xaero’s Minimap is optional — our station and platform icons render exclusively on the fullscreen map, so the minimap is only used if you need to purge old [MTR] waypoints left behind by previous versions.

Remember: the mod can run purely on your client to show nearby tracks. To view the whole network and live train positions, install the matching version on your server as well.

Release status

• v1.6.0 (Latest Stable): Adds per-station Navigate availability and four-language controls, keeping native arrival boards, British/European PIDS, route highlighting and live trains. All six target builds are available.

Testing notes and known quirks

All six builds have been tested with both Xaero’s World Map and JourneyMap, verifying landmark pinning, arrival boards, and theme switching.

v1.6.0 fixes the earlier Forge 1.20.4 singleplayer quick-play loading issue and Forge 1.20.1 fallback connections to servers without Overlay. If a Forge 1.20.1 launcher times out during quick-play multiplayer, join through the in-game multiplayer server list instead.

For testing details and the published-build checks, see the 1.6.0 runtime record and release verification.