Version Changelogs:

• Changed certain default settings

• Improved color settings for light and sky colors

• Renamed certain options (older Super Duper Vanilla options may not work in this version)

• Hard coded story mode clouds settings to disable vanilla clouds

• Optimized sky

• Optimized PBR

• Optimized SSAO

• Optimized bloom

• Optimized specular

• Optimized shadows

• Optimized tonemapping

• Optimized water rendering

• Optimized gbuffer programs

• Optimized many, many calculations

• Added thunder flash

• Added waving weather

• Added more animation settings

• Added aether nebulae to The End sky

• Fixed certain errors with certain settings

• Fixed certain visual bugs with PBR

• Changed license from an open source license to a proprietary license

NOTE: Iris versions below 1.18.2 is no longer supported. Optifine support stays the same starting from 1.14+.