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# OneBlock 3.3.1 *This file is for **Forge 26.2**. Forge builds were **not affected** by the 3.3.0 Fabric Loader problem — this is a version-parity release so every loader stays on the same OneBlock version.* **Fixes a startup crash on Fabric: OneBlock 3.3.0 refused to load unless you had a very recent Fabric Loader, even on older Minecraft versions where that loader isn't what your launcher installs.** If you hit this, the game never reached the main menu and you saw something like: > Mod 'OneBlock' (oneblock) 3.3.0 requires version 0.19.3 or later of mod 'Fabric Loader' > (fabricloader), but only the wrong version is present: 0.18.1! That requirement was wrong. Every 3.3.0 Fabric build accidentally shipped the same "needs Fabric Loader 0.19.3+" line — a value that belonged to our build tooling, not to what the mod actually needs. On Minecraft 1.20.1, for example, OneBlock really only needs Fabric Loader 0.16.10. **No gameplay changes.** This is purely a packaging fix — your worlds, islands, and progression are untouched. ### For players / server admins - **Each Fabric build now asks for a Fabric Loader version that suits its Minecraft version**, instead of demanding the newest one across the board. The stated minimum for each build is exactly what that build's required Fabric API already needs — so OneBlock no longer adds a restriction of its own. - **If 3.3.0 wouldn't start for you, update to 3.3.1** and it should load with the loader your launcher already installed. - ⚠️ **Update CodxLib to 1.3.4 as well.** CodxLib 1.3.3 shipped the exact same bad requirement, so leaving it at 1.3.3 will keep the game from starting even with OneBlock 3.3.1 installed. On Fabric this release now requires CodxLib **1.3.4 or newer** so the pair can't get out of sync. - **Forge and NeoForge builds are unaffected** — they never carried the bad requirement. You can still update for consistency, but nothing changes for you. - Everything from 3.3.0 is unchanged: the full 1.20.1–26.2 multi-version support, the hardness-based block progression, the admin menu, `/oneblock locate`, and the void/restore Nether & End tools all behave exactly as before.