Copper recipes are not properly upgraded

The bug

When upgrading a world to 21w05b, the following is seen in the log. This means that the recipes are not upgraded.

[13:20:05] [Server thread/ERROR]: Tried to load unrecognized recipe: minecraft:semi_weathered_cut_copper removed now.
[13:20:05] [Server thread/ERROR]: Tried to load unrecognized recipe: minecraft:waxed_lightly_weathered_copper removed now.
[13:20:05] [Server thread/ERROR]: Tried to load unrecognized recipe: minecraft:waxed_semi_weathered_cut_copper removed now.
[13:20:05] [Server thread/ERROR]: Tried to load unrecognized recipe: minecraft:waxed_lightly_weathered_cut_copper_slab removed now.
[13:20:05] [Server thread/ERROR]: Tried to load unrecognized recipe: minecraft:waxed_semi_weathered_cut_copper_stairs removed now.
[13:20:05] [Server thread/ERROR]: Tried to load unrecognized recipe: minecraft:waxed_semi_weathered_copper removed now.
[13:20:05] [Server thread/ERROR]: Tried to load unrecognized recipe: minecraft:waxed_lightly_weathered_cut_copper_stairs_from_honeycomb removed now.
[13:20:05] [Server thread/ERROR]: Tried to load unrecognized recipe: minecraft:waxed_semi_weathered_cut_copper_slab removed now.
[13:20:05] [Server thread/ERROR]: Tried to load unrecognized recipe: minecraft:waxed_lightly_weathered_cut_copper_slab_from_honeycomb removed now.
[13:20:05] [Server thread/ERROR]: Tried to load unrecognized recipe: minecraft:waxed_lightly_weathered_cut_copper_stairs removed now.
[13:20:05] [Server thread/ERROR]: Tried to load unrecognized recipe: minecraft:semi_weathered_cut_copper_stairs removed now.
[13:20:05] [Server thread/ERROR]: Tried to load unrecognized recipe: minecraft:waxed_semi_weathered_cut_copper_stairs_from_honeycomb removed now.
[13:20:05] [Server thread/ERROR]: Tried to load unrecognized recipe: minecraft:waxed_lightly_weathered_cut_copper_from_honeycomb removed now.
[13:20:05] [Server thread/ERROR]: Tried to load unrecognized recipe: minecraft:lightly_weathered_cut_copper_stairs removed now.
[13:20:05] [Server thread/ERROR]: Tried to load unrecognized recipe: minecraft:waxed_semi_weathered_cut_copper_from_honeycomb removed now.
[13:20:05] [Server thread/ERROR]: Tried to load unrecognized recipe: minecraft:waxed_semi_weathered_cut_copper_slab_from_honeycomb removed now.
[13:20:05] [Server thread/ERROR]: Tried to load unrecognized recipe: minecraft:waxed_copper removed now.
[13:20:05] [Server thread/ERROR]: Tried to load unrecognized recipe: minecraft:semi_weathered_cut_copper_slab removed now.
[13:20:05] [Server thread/ERROR]: Tried to load unrecognized recipe: minecraft:lightly_weathered_cut_copper removed now.
[13:20:05] [Server thread/ERROR]: Tried to load unrecognized recipe: minecraft:waxed_lightly_weathered_cut_copper removed now.
[13:20:05] [Server thread/ERROR]: Tried to load unrecognized recipe: minecraft:lightly_weathered_cut_copper_slab removed now.
[13:20:05] [Server thread/ERROR]: Tried to load unrecognized recipe: minecraft:semi_weathered_cut_copper removed now.
[13:20:05] [Server thread/ERROR]: Tried to load unrecognized recipe: minecraft:waxed_lightly_weathered_copper removed now.
[13:20:05] [Server thread/ERROR]: Tried to load unrecognized recipe: minecraft:waxed_semi_weathered_cut_copper removed now.
[13:20:05] [Server thread/ERROR]: Tried to load unrecognized recipe: minecraft:waxed_lightly_weathered_cut_copper_slab removed now.
[13:20:05] [Server thread/ERROR]: Tried to load unrecognized recipe: minecraft:waxed_semi_weathered_cut_copper_stairs removed now.
[13:20:05] [Server thread/ERROR]: Tried to load unrecognized recipe: minecraft:waxed_semi_weathered_copper removed now.
[13:20:05] [Server thread/ERROR]: Tried to load unrecognized recipe: minecraft:waxed_lightly_weathered_cut_copper_stairs_from_honeycomb removed now.
[13:20:05] [Server thread/ERROR]: Tried to load unrecognized recipe: minecraft:waxed_semi_weathered_cut_copper_slab removed now.
[13:20:05] [Server thread/ERROR]: Tried to load unrecognized recipe: minecraft:waxed_lightly_weathered_cut_copper_slab_from_honeycomb removed now.
[13:20:05] [Server thread/ERROR]: Tried to load unrecognized recipe: minecraft:waxed_lightly_weathered_cut_copper_stairs removed now.
[13:20:05] [Server thread/ERROR]: Tried to load unrecognized recipe: minecraft:semi_weathered_cut_copper_stairs removed now.
[13:20:05] [Server thread/ERROR]: Tried to load unrecognized recipe: minecraft:waxed_semi_weathered_cut_copper_stairs_from_honeycomb removed now.
[13:20:05] [Server thread/ERROR]: Tried to load unrecognized recipe: minecraft:waxed_lightly_weathered_cut_copper_from_honeycomb removed now.
[13:20:05] [Server thread/ERROR]: Tried to load unrecognized recipe: minecraft:lightly_weathered_cut_copper_stairs removed now.
[13:20:05] [Server thread/ERROR]: Tried to load unrecognized recipe: minecraft:waxed_semi_weathered_cut_copper_from_honeycomb removed now.