When an ingredient is put into a basin with potion in it it stops auto brewing even after the potion is drained from the basin.

Can you send a Screenshot of your setup and the version?

Mod Version mc1.16.3_v0.3+custom

If there is leftover netherwart or more goes in before the potion is drained it stops working.

The basin is completely full, so there is 1B of water and 1B of Awkwardpotion

Right, but when the potion is drained it doesnt make more if there is netherwart still in it. i have to remove the wart and then put more in to get it to work or slow the conveyer down so it has time to drain the potion before more wart goes in.

Can I upload a video to here? that would show it better.

If there is 1B of potion and 1B of water. it isnt drained.
Put a Basin Diagonally under the Basin then you can drain the potion from there. This is the proper way. No filter will be needed

I can get the made potion out that isn't the problem.

Also it still doesn't work with what you suggested

Send a video

Got it reproduced, thanks. Will be fixed in 0.3a

I found another basin bug that might be related to this one. Should I make a new issue or put it here?

No problem, just add it here

I was trying to automate a recipe from pam's harvest craft and found that if the bakeware that is needed but not used in any way is not removed and put back in to the basin it stops the crafting process.

The same thing happens with other catalyst items.

Both issues should be fixed by now, cheers~