Product
About
BUTTER | Shaders
Butter Shaders is a lightweight Minecraft shaderpack designed to bring a warm, soft, and realistic atmosphere to your world.
Based on MakeUp Ultra Fast Shaders, it enhances the original project with improved lighting, smoother water reflections, and refined sky rendering while keeping excellent performance.
Featuring smooth lighting, natural water reflections, dynamic clouds, and vibrant sunsets, this shader focuses on beauty and performance balance — perfect for both low-end and high-end devices.
Features :
• Shadows
• Depth of field
• Temporary anti-aliasing
• Improved ambient occlusion
• Chromatic aberration
• Motion blur
• Volumetric clouds
• Volumetric light
• Reflexes
• Waving plants
• ... and more
If you have any suggestions, found a bug, etc.,contact me on Discord. :
▪︎ https://discord.gg/GfcRKJxXfk
Credits :
Original creator: Javier Garduño Links:
• https://www.planetminecraft.com/mod/makeup-ultra-fast-shader
• https://www.planetminecraft.com/mod/makeup-ultra-fast-shader
• https://www.curseforge.com/minecraft/customization/makeup-ultra-fast-shader
• https://www.curseforge.com/minecraft/customization/makeup-ultra-fast-shader
Preview
Product images
Environment
Requirements & compatibility
Compatibility & requirements
IrisOptifine1.8 – 1.21.11
Local host
Required
Hosting on services
Unsupported
Terms
License
Terms for using, modifying and redistributing this product.
GNU Lesser General Public License v3.0 onlyModrinth
Release
Latest release
v1.2d
16.02.2026 · Modrinth
fixed shaders not working in iris, sorry i didn't realize the incompatibility with iris
Gallery
Project images
Screenshots and images from the original Modrinth page.
V1.2b
V1.2b
v1.2c
v1.2c
v1.2c
History
Project versions
Published versions and original Modrinth files.
v1.2dLatestRelease
16.02.2026 · 42 459 downloads
IrisOptifine1.81.8.11.8.21.8.31.8.41.8.51.8.61.8.7
fixed shaders not working in iris, sorry i didn't realize the incompatibility with iris
v1.2cRelease
13.11.2025 · 14 845 downloads
IrisOptifine1.81.8.11.8.21.8.31.8.41.8.51.8.61.8.7
Changes and Improvements
● Coloring:
Tone Mapping
• Slightly adjusted to appear more natural
Ambient
• Slightly adjusted to appear more natural
Nether Ambient
• Overcoming the nether being too dark
The End Sky
• It's a little brighter now
● Lighting:
Point Light
• Reduce the brightness of objects that produce light
Shadow
• Reduced shadow intensity to prevent them from appearing too dark
● Sky Environment:
Rainbow
• Added a rainbow that appears after the rain stops
● Post Effect :
Taa
• Fixed taa leaving a trail when the camera was moved
● Error Fix
▪︎ gbuffers.water at the end & nether
v1.2bRelease
31.10.2025 · 9 670 downloads
IrisOptifine1.81.8.11.8.21.8.31.8.41.8.51.8.61.8.7
Changes and Improvements
●Coloring:
Tone Mapping
• Slightly adjusted tone mapping on land and underwater
Ambient
• Slightly modified ambient color during daytime
Water
• Changed the water color style
●Lighting:
Caustics
• Added water caustics effect
Shadow
• Colored shadows are now always enabled
●Environment:
Fog
• Reduced fog density and intensity
v1.2aRelease
26.10.2025 · 886 downloads
IrisOptifine1.121.12.11.12.21.131.13.11.13.21.141.14.1
Changes and Improvements
Coloring:
Sky
• Changed the lower sky color during sunset and sunrise
Tone Mapping
• Replaced the old tone mapping with a new one
Environment:
Fog
• Adjusted fog distance and strength
Lighting:
Light Shaft
• Reduced light shaft strength
Optimization:
Shadow
• Reduced default shadow resolution (SHADOW_RES = 5)
AO
• Default AO setting is now disabled
v1.2Beta
23.10.2025 · 578 downloads
IrisOptifine1.121.12.11.12.21.131.13.11.13.21.141.14.1
Changes and Improvements
Coloring:
Lighting
• Fixed overly bright lighting
• Increased lighting brightness slightly at night and inside caves
• Minor color adjustments
Sky
• Slight color adjustment
Water
• Slight color adjustment
Underwater
• Added lighting color effect below the water surface
Light Blocks
• Minor color adjustment
Post Effects:
Auto Exposure
• Removed auto exposure effect inside caves
• Slightly increased lighting when standing under blocks
Sky Environment:
Clouds
• Slight noise adjustment
Stars
• Improved star visibility
Water:
Waves
• Adjusted water movement to appear calmer inside caves
Reflection
• Enhanced reflection sharpness
Sun Reflection
• No longer visible when inside caves
Lighting:
Light Shaft
• Default setting now uses Light Shaft instead of Godrays
Shadows
• Slight shadow position adjustment
Other:
• Improved visibility of block particles when breaking blocks
v1.1Beta
22.10.2025 · 1 227 downloads
IrisOptifine1.121.12.11.12.21.131.13.11.13.21.141.14.1
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