Generally, while it gets the job done, the kubejs/datapack support for this mod is lacking.

• First, (and this is mostly for sieves), support tags for the output. It makes it so much easier for someone doing modpack development to add a multitude of new items to deorum's sieving through tags if there's a large unsupported category of items
  • Uses: Custom Ore Chunks through KubeJS, General groups of items (ie. minecraft:saplings item tag should be tied to the moss sieve recipes)
• Second, add an option for a datapack recipe to permeate through the different mesh types. or add a way to tag all the sieves in a recipe. This is more an ease of use thing for modpack devs to not have to add at least 5 different recipes for the same thing if we want the chance to be consistent across multiple meshes

This can all be easily done using for loops in your KubeJS script, iterating over the tag or over the mesh types. I would go to their discord server and ask how it can be done; this is outside the scope of Ex Deorum.