I will provide my world file for example.
Dropper that item picture has been attached doesn't work in my main world file.
But exactly same structure of my new world file works.
Use (8 60 6) lever to check it out.
MC-189295
Dispenser do not work.
Resolved
Cannot Reproduce
0
Unable to reproduce, dropper works fine when using the world on my end, this is likely a problem on your end.