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piexel
8a0fd9b9fc
26.3 changed the chunk generator, biome source and structure placement APIs, so it gets its own v26_3_R1 binding, compiled against the 26.3 dev bundle. v26_1_R1 keeps covering 26.1.2 and 26.2. Binding changes against v26_1_R1: - noise, surface and carvers run through a single buildTerrain stage - the biome source hands out itself as the BiomeResolver - structures are generated with a climate sampler, and starts are looked up per chunk instead of per section - structure set salt and frequency come from the spreading placement - biome colors are read from Vector3f attributes Data pack format 121 with DataFixerV2603: - biome mob spawns and creature spawn probability move into the natural_mob_spawns and creature_world_gen_spawn_probability attributes (26.3 silently ignores the old fields) - the bed rule's "explodes" becomes "destroy_on_use", and straw beds get the same rule, matching vanilla Model used: Claude Opus 5.5