public final class TutorialBlocks {
  [...]

  // 1.21.2 之前：
  public static final Block COLOR_BLOCK = register("color_block", new Block(AbstractBlock.Settings.create()));
  
  // 1.21.2 及之后：
  public static final Block COLOR_BLOCK = register("color_block", Block::new, AbstractBlock.Settings.create());
}