StateObserver is a very small and lightweight library for observing blockstate changes across a large area without a large performance hit.

stateobserver-neoforge-1.21.1-1.6.4.jar

MC 1.21.1, NeoForge

Release 2025-12-20 Get

stateobserver-fabric-1.21.1-1.6.4.jar

MC Fabric, 1.21.1

Release 2025-12-20 Get

stateobserver-fabric-1.21.1-1.6.2.jar

MC Fabric, 1.21.1

Release 2025-06-22 Get

stateobserver-neoforge-1.21.1-1.6.2.jar

MC NeoForge, 1.21.1

Release 2025-06-22 Get

stateobserver-fabric-1.21.1-1.6.3.jar

MC Fabric, 1.21.1

Release 2025-06-22 Get

stateobserver-neoforge-1.21.1-1.6.3.jar

MC NeoForge, 1.21.1

Release 2025-06-22 Get

stateobserver-fabric-1.21.1-1.6.0.jar

MC Fabric, 1.21.1

Release 2025-05-12 Get

stateobserver-neoforge-1.21.1-1.6.0.jar

MC NeoForge, 1.21.1

Release 2025-05-12 Get

stateobserver-fabric-1.21.1-1.6.1.jar

MC Fabric, 1.21.1

Release 2025-05-12 Get

stateobserver-neoforge-1.21.1-1.6.1.jar

MC NeoForge, 1.21.1

Release 2025-05-12 Get

stateobserver-fabric-1.21.1-1.5.4.jar

MC Fabric, 1.21.1

Release 2024-12-11 Get

stateobserver-neoforge-1.21.1-1.5.4.jar

MC NeoForge, 1.21.1

Release 2024-12-11 Get

stateobserver-fabric-1.20.1-1.4.3.jar

MC Fabric, Client, 1.20.1, Server

Release 2024-12-11 Get

stateobserver-forge-1.20.1-1.4.3.jar

MC Client, 1.20.1, Forge, Server

Release 2024-12-11 Get

stateobserver-neoforge-1.21.1-1.5.3.jar

MC NeoForge, 1.21.1

Release 2024-11-09 Get

stateobserver-fabric-1.21.1-1.5.3.jar

MC Fabric, 1.21.1

Release 2024-11-09 Get

stateobserver-neoforge-1.21.1-1.5.1.jar

MC NeoForge, 1.21.1

Release 2024-11-07 Get

stateobserver-fabric-1.21.1-1.5.1.jar

MC Fabric, 1.21.1, Quilt

Release 2024-11-07 Get

stateobserver-neoforge-1.21.1-1.5.2.jar

MC NeoForge, 1.21.1

Release 2024-11-07 Get

stateobserver-fabric-1.21.1-1.5.2.jar

MC Fabric, 1.21.1

Release 2024-11-07 Get

stateobserver-neoforge-1.21.1-1.5.0.jar

MC NeoForge, 1.21.1

Release 2024-11-04 Get

stateobserver-fabric-1.21.1-1.5.0.jar

MC Fabric, 1.21.1, Quilt

Release 2024-11-04 Get

stateobserver-forge-1.20.1-1.4.2.jar

MC Client, NeoForge, 1.20.1, Forge, Server

Release 2024-06-01 Get

stateobserver-fabric-1.20.1-1.4.2.jar

MC Fabric, Client, 1.20.1, Server, Quilt

Release 2024-06-01 Get

StateObserver-forge-1.20.1-1.4.0.jar

MC Client, NeoForge, 1.20.1, Forge, Server

Release 2024-04-18 Get

StateObserver-fabric-1.20.1-1.4.0.jar

MC Fabric, Client, 1.20.1, Server

Release 2024-04-18 Get

StateObserver-fabric-1.19.2-1.3.1.jar

MC Fabric, Client, 1.19.2, Server

Release 2024-04-01 Get

StateObserver-forge-1.19.2-1.3.1.jar

MC Client, 1.19.2, Forge, Server

Release 2024-04-01 Get

StateObserver-fabric-1.19.2-1.3.0.jar

MC Fabric, Client, 1.19.2, Server

Release 2023-10-17 Get

StateObserver-forge-1.19.2-1.3.0.jar

MC Client, 1.19.2, NeoForge, Forge, Server

Release 2023-10-17 Get

StateObserver-forge-1.18.2-1.2.1.jar

MC Client, 1.18.2, Forge, Server

Release 2023-10-11 Get

StateObserver-fabric-1.18.2-1.2.1.jar

MC Fabric, Client, 1.18.2, Server

Release 2023-10-11 Get

StateObserver-forge-1.18.2-1.2.0.jar

MC Client, 1.18.2, Forge, Server

Release 2023-10-10 Get

StateObserver-fabric-1.18.2-1.2.0.jar

MC Fabric, Client, 1.18.2, Server

Release 2023-10-10 Get

stateobserver-1.18.2-1.1.0.jar

MC 1.18.2, Forge

Release 2022-11-13 Get

stateobserver-1.18.2-1.0.jar

MC 1.18.2, Forge

Release 2022-11-12 Get

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Latest Release

Version

1.21.1, NeoForge

Download Latest

Add a badge to your pageLink to StateObserver from a README, website or forum post.

<a href="https://mineuniverse.net/mod/stateobserver"><img src="https://mineuniverse.net/api/project-badge/stateobserver/card.svg" alt="StateObserver on MineUniverse" width="420" height="110"></a>

Badges update automatically and link to the mod page on MineUniverse.

Details

Loaders

NeoForge Fabric Forge Quilt

Minecraft Versions

MC 1.21.1 MC 1.20.1 MC 1.19.2 MC 1.18.2

Links

Source Code

StateObserver

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