Waxed Copper Door can be crafting using Waxed Block of Copper

As the 1.21.0.24 changelog said:

• 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 block of copper, exposed copper, weathered copper, and oxidized copper (also waxed variants) are no longer craftable into another copper door variants. For waxed copper door variant has been changed recipe

Copper Doors and Trapdoors Waxed variants has been changed from waxed copper blocks variant into unwaxed copper door variant and honeycomb

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

 

Note: All copper trapdoor and waxed variants are no longer using copper blocks and using new recipe for waxed variants