Added dynamic/colored lighting! requires Iris 1.6+ [beta]
Added custom End sky.
Added post-process blurring for soft-shadows, SSS, SSAO, & SSGI.
Added support for translucent entities (Iris only).
Added vertex waving option for blocky/vanilla foliage.
Added item glint support (enchantment glow).
Added custom dynamic lava texturing.
Added dithering for artificial particle transparency.
Added screen-space global-illumination (SSGI).
Added water foam/dirt.
Added FXAA.
Fixed a bug with clouds making everything very slow.
Fixed directional blocklight (DLM) feature.
Fixed sun color temperature.
Fixed several misc shadow bugs.
Fixed particle shadows.
Fixed nether compatibility.
Fixed HW soft-shadowing (Iris only).
Fixed cave brightness when shadows are disabled.
Fixed shadows on first-person hands/items.
Fixed (extra) noise on volumetric lighting.
Fixed colored distorted shadows.
Fixed ambient light flickering.
Fixed misc bugs with PhysicsMod ocean water support.
Fixed depth-write POM on first-person hand/items.
Fixed bug with torches being chocolate.
Improved speed of cascaded shadows.
Improved sky fog & volumetric lighting.
Improved water fog & volumetric lighting.
Improved rain atmosphere.
Improved Nether smoke.
Improved SSS algorithm.
Removed RSM global illumination.
Removed shadowmap SSS.

Arc - реалистичный шейдер для Майнкрафт, который не жрёт FPS. HDR, PBR, динамический свет, объёмный туман и отражения - всё настраивается под твоё железо. Для Iris, OptiFine и Oculus.