As of 1.21.0.24 Preview, there are changelog that changes for Copper Door variants recipe. Here’s a list:
Copper Doors and Trapdoors are now crafted from Copper Ingots instead of Copper Blocks
Only Copper Doors and Copper Trapdoors can now be crafted, other variants are no longer craftable
As of results, Exposed Copper Door, Weathered Copper Door, and Oxidized Copper Door recipe are remove. For waxed variants, recipe has been made easily by crafting 1 non-waxed copper door (any variants) and honeycomb or by sneak and right clicking while holding Honeycomb to non-waxed copper door. However, Waxed Copper Door recipe still can be crafted using Waxed Block of Copper instead the new recipe one. Another waxed copper door variant (exposed, weathered, and oxidized) only using the new recipe one.
Steps to Reproduce:
Placing 6 Waxed Copper Block on crafting grid
Observed Results:
Waxed Copper Door can be crafting using Waxed Block of Copper
Expected Results:
Waxed Copper Door can’t be crafting using Waxed Block of Copper, using Copper Ingot instead