This is using FTBLib-5.4.0.70 and YABBA-1.1.2.29.

With default settings:

With all settings enabled:


The settings stay saved when I reopen the barrel settings GUI

Looks like it does. When I logged back in, everything was on and working. I turned some stuff off which didn't stick, then relogged and it got fixed.

Placing a breaking a block in front of it also may fix it

Hm. Does relogging fix that?