POCO M4 with mali-g57 doesn't meet one of minimum requirement of
GL_MAX_COMPUTE_WORK_GROUP_INVOCATIONS ≥ 256
It's 128 for mali-g57 that's why it's not supported and you're getting the warning. However for adreno 512 it's 1024 and it's supported. So it's not a bug just translation is missing for warning pack.incompatible.graphics.pbr.
Has been fixed in 1.20.80.20 preview/beta. Full blocks with point lights now do not cast shadows hence they do not cast shadows of their faces anymore.