Modlist:
modularmachinery 1.9.6
forge 14.23.5.2831
jei 4.15.0.276

When defining a recipe with multiple fluid input requirements, recipe refuses to start. Similar recipe on seperate machine with only one fluid input requirement runs just fine. Machine had 2 fluid input hatches, 1 output hatch. Plenty of room in the output hatch for the 1 obsidian it was meant to make.(jsons to follow for replication purposes)

Machines:
https://gist.github.com/TeetoKaziim/b0315c260650ca257b6c126e9af1de3a
https://gist.github.com/TeetoKaziim/5bcb1126aac6ca94b3b299ede893740b

Recipes:
https://gist.github.com/TeetoKaziim/25859126e898141ad8770350f56e7960
https://gist.github.com/TeetoKaziim/b0af2a3635aabc14af0f4ec4ac78a943

Pretty sure this is the same bug that I encountered. Just making sure. If I have 2 items defined in a recipe and the machine has 2 item inputs and the items are spread over both item inputs the machine won't start either. Glad this is fixed in dev, just want to make sure this is fixed for items as well not only for fluids. It works in 1.9.5 just fine, just not in 1.9.6

You can test it with the latest Jenkins build found on the Discord to see