made a few test
simple lighting or not had no impact
CUBE_LIGHT_NORMALIZER_NEW_M = true - toggling in the settings .. had no effect
LIGHT_RAY_COUNT = 256 //Block light quality <- toggling this between 48 and 256 made a small difference in specific orietations
samples
{F11040}
{F11041}
{F11042}
{F11043}