The recipes for each variant of the new waxed copper blocks are not grouped together. For example, Waxed Copper Door appears twice in the recipe book: one recipe for crafting with six Copper Blocks, and one for crafting a Copper Door with a Honey Comb. For existing waxed copper blocks, such as Waxed Weathered Cut Copper Stairs, the two recipes are grouped together.

Steps to Reproduce:

• Open a world with update_1_21 experiment enabled
• Unlock all recipes (/recipe give @s *)
• Place down a crafting table and click on it to open the GUI
• Open the recipe book (if not open already) and type "waxed" in the search box to search all waxed copper blocks (add " c", " e", " w", or " o" to the search to isolate regular, exposed, weathered, and oxidized variants respectively)
  • Observed: All new waxed copper block variant recipes are separated
  • Expected: Recipes for each waxed copper block variant would be grouped together

File Analysis:

When looking in the game files, I have observed that the corresponding recipes have different groups and categories, where the crafting from copper blocks has an extra "cut" in the group name, and the crafting with honeycomb is categorized under "building". Under some testing, when I removed cut from the group name and recategorized to "redstone", this fixed the issue.