Initial 1.21/1.21.1 port
fix crash when rendering block breaking overlay fix instances where the tag mismatch checker would enter an infinite loop due to being unable to resolve all mismatches
fix instances where the tag mismatch checker would enter an infinite loop due to being unable to resolve all mismatches
fix crash caused by using slf4j instead of log4j fix instances where the tag mismatch checker would enter an infinite loop due to being unable to resolve all mismatches
Added an interface to allow mod authors to "disallow" blocks from generating additional placements (compat for some mods in the future) Prevent generating additional placement blocks for blocks that already have a property with a name that the new block would add (fixes crashes with some mods)