With fluid permeability turned on, stairs that are placed in flowing water properly gets waterlogged, however water that flows into it does not correctly waterlog it. In the above video you can see it in action.
This can be seen in a much more simpler setup here:
https://github.com/Leximon/Fluidlogged/assets/1550003/d90e3243-8da1-4361-afeb-4ab5e883caf4
With fluid permeability turned on, stairs that are placed in flowing water properly gets waterlogged, however water that flows into it does not correctly waterlog it. In the above video you can see it in action.
This can be seen in a much more simpler setup here:
https://github.com/Leximon/Fluidlogged/assets/1550003/acc4df16-b258-4006-874e-db992bb4262a