Colored lights option doesn't show invisible lightsources

[ItsPasi]

What happened?

Light sources from vanilla Minecraft are not showing up when using the custom lights option.

Minecraft Version

1.20.2

Which shader mod are you using?

Iris

Shader mod version

1.6.14

Shader settings

#Fri Dec 29 12:06:51 CET 2023
BOUNCED_LIGHT_I=1.01
BLOCKLIGHT_I=1.01
COLORED_LIGHTS=true
SKYLIGHT_I=1.01
TAAU=true
WATER_WAVE_LACUNARITY=1.01
CLOUDS_CUMULUS_DENSITY=1.20
MOTION_BLUR=true
WATER_CAUSTICS=true
SUN_I=1.01
MOTION_BLUR_INTENSITY=2.00
SUN_ER=0.70
WATER_WAVE_PERSISTENCE=1.01
WATER_WAVE_STRENGTH=1.01
VANILLA_AO=false
SUN_EG=0.70
tonemap_left=academy_fit
AURORA_SNOW=AURORA_NEVER
BLOOM=false
MOON_I=1.01
WATER_PARALLAX=false
MOON_G=0.75
AURORA_NORMAL=AURORA_NEVER
GRADE_CONTRAST=0.80
CAS_INTENSITY=0.75
SHADING_STRENGTH=1.01
CLOUD_SHADOWS=true
VANILLA_MOON=false
CLOUDS_CUMULUS_DETAIL_STRENGTH=1.20

Relevant log output

No response