Yeah i get this as well and i noticed that when the lighting bugs out like this it does it for the entire chunk it is in. Very annoying.
EDIT: Also mobs spawn when the lighting bugs out like this, relating to what you said about block light level being affected
Yeah i get this as well and i noticed that when the lighting bugs out like this it does it for the entire chunk it is in. Very annoying.
EDIT: Also mobs spawn when the lighting bugs out like this, relating to what you said about block light level being affected