feat: add BlockStairsCopperCutExposed & BlockStairsCopperCutWeathered & BlockStairsCopperCutOxidized
fix: add BlockStairsCopperCutExposedWaxed & BlockStairsCopperCutWeatheredWaxed & BlockSlabCopperCut & BlockDoubleSlabCopperCut
fix: update runtime_block_states supplement some block status
feat: Add 1.21.80+ features toggles including vibrant visuals and raytracing (#478)
feat: extended block data length & wall connection (#486)
refactor: replace HashMap with Int2IntMap for stateHashToLegacy
fix: flights should be canceled when they are prohibited (#489)