OPAL v1.2.0 Changelog:

Fog:

• decreased Atmospheric Fog brightness and general density in the Overworld
• added "Altitude Density Gradient" option [applies fog density gradient between y75 and y320 in the Overworld]
• added "Gradient Intensity" option [affects gradient intensity of "Altitude Density Gradient" option]
• Atmospheric Fog density is now slightly decreased at higher altitudes
• increased fog density in all cave variants [it's back to how it was in OPAL v1.0.1]
• increased fog density for all sandstorm variants [it's back to how it was in OPAL v1.0.1 + Altitude Density Gradient]
• decreased fog density for all rain variants and for cloudy weather in savanna
• snowfall fog density is slightly tweaked [similar fog density + Altitude Density Gradient]

Copper Age Drop:

• improved emissive textures of Copper Torches and all Copper Lanterns
• hanging Copper Lanterns are now affected by wind

OPAL v1.1.2 Changelog:

Foliage:

• Wildflowers, Bush, Firefly Bush, Dry Grass and Cactus Flower now have subsurface scattering
• Dead Bush, Bush, Firefly Bush, Dry Grass and Cactus Flower are now affected by wind

OPAL v1.1.1 Changelog:

Entities:

• increased Creaking eyes brightness and contrast

Foliage:

• Eyeblossoms are now affected by wind and have subsurface scattering
• improved brightness of Eyeblossoms

Water:

• added options to change underwater colors and fog density in Pale Garden biome
• improved underwater colors and slightly increased underwater fog density in Pale Garden biome

OPAL v1.1.0 Changelog:

Distant Horizons:

• added Distant Horizons support (credits to Capt Tatsu)

Fog:

• decreased Ground Fog density when Distant Horizons mod is detected
• Cylindrical Distant Fade is now enabled by default
• improved Atmospheric Fog colors and brightness
• decreased Atmospheric Fog density

Lighting & Foliage:

• added Cloud Shadows (credits to Capt Tatsu)
• added option to disable or enable Cloud Shadows (credits to Capt Tatsu)
• Pale Oak Leaves, Pale Oak Sapling and Pale Hanging Moss are now affected by wind and have subsurface scattering

OPAL v1.0.1 Changelog:

• fixed shaders not loading on new Iris versions