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Resources / Shaders / Windowpane

Windowpane

Atmospheric Minecraft shaders with reflective water, dramatic skies, and warm lighting—all while keeping Minecraft’s familiar blocky look. Currently in beta.

ShadersFree1.20 – 26.x
by bfvbvgyt · listed from Modrinth
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Opens Modrinth · 366 downloads there

Windowpane screenshot 1

What it does

Atmospheric Minecraft shaders with reflective water, dramatic skies, and warm lighting—all while keeping Minecraft’s familiar blocky look. Currently in beta.

Windowpane is a shader pack made by bfvbvgyt. It supports Minecraft 1.20 – 26.x. It has been downloaded 366 times on Modrinth. The last update came out on Oct 30, 2026.

Supported versions

26.x1.211.20

Release history

The newest is 2.2, released on Oct 30, 2026. It is made for Minecraft 1.20 – 26.3. It runs on Iris and Optifine. The download is 13.5 MB.

VersionReleasedMinecraftType
2.2Oct 30, 20261.20 – 26.3Beta
Description from the author on Modrinth

Windowpane

Bring a new atmosphere to your Minecraft world with reflective water, dramatic skies, and warm lighting. Windowpane aims for a realistic feel while keeping Minecraft’s familiar blocky character.

Explore the look

  • Reflective water that brings the surrounding sky and scenery into the scene.
  • Three cloud layers with volumetric clouds, cloud shadows, and colorful sunsets.
  • Detailed night skies with catalogue-based stars, the Milky Way, Moon phases, planets, meteors, and aurora.
  • Lighting and shadows with screen-space global illumination and volumetric sunlight.
  • LabPBR material support for compatible resource packs, with optional parallax mapping.
  • World details including waving foliage, rain ripples, and seasonal color grading.

See the Gallery for daytime, sunset, and night views.

Current release: 2.2 Beta

Windowpane is still in development. Visual issues and compatibility problems may occur, and feedback is welcome.

Photosensitivity warning: Lightning can produce very bright flashes. A lightning-strength setting is available under WORLD in Shader Pack Settings. Please consider the flashing-light effects before using the pack if you are sensitive to them.

Installation

Windowpane is a shaderpack for Minecraft: Java Edition and requires a shader loader.

  1. Install a compatible version of Iris for your Minecraft version.
  2. Download the Windowpane ZIP from this project’s Versions tab.
  3. Launch Minecraft and open the shader-pack menu in Video Settings.
  4. Open the shaderpacks folder and place the ZIP inside it. Do not unzip it.
  5. Return to Minecraft and select Windowpane.

Check the selected release’s compatibility information before downloading. OptiFine is also listed as a supported platform for the current release; use a loader version that supports your Minecraft version.

Performance and compatibility

The default settings match the HIGH quality preset. LOW, MEDIUM, HIGH, and ULTRA presets are available in Shader Pack Settings. If performance is low, start by selecting LOW or MEDIUM.

Parallax mapping is available under MATERIAL and is off by default. It requires a resource pack with compatible height maps. LabPBR effects also depend on the material maps provided by your resource pack.

Distant Horizons terrain and water support is included. Use compatible versions of Minecraft, your shader loader, and Distant Horizons.

Performance depends on your hardware, resolution, render distance, and shader settings. Hardware-specific benchmarks are not yet published here.

If performance is low, try reducing render distance and resolution. If you encounter rendering problems, include your Minecraft version, shader loader version, GPU, and other rendering mods when reporting them.

Feedback and support

Join the Windowpane Discord for questions, feedback, and bug reports.

For bug reports, include:

  • Windowpane version
  • Minecraft and shader loader versions
  • GPU and operating system
  • A screenshot or short recording, plus steps to reproduce the issue

If you enjoy Windowpane, follow the project on Modrinth to hear about future releases.

Written by bfvbvgyt. Read it with pictures on Modrinth.

How to install Windowpane

  1. Install Iris (with Sodium) or OptiFine for your Minecraft version: shaders need one of them.

  2. Download the .zip file from Modrinth. Do not unzip it.

  3. In Minecraft, open Options, then Video Settings, then Shader Packs, and click Open Shader Pack Folder.

  4. Drop the .zip file into that folder, pick Windowpane in the list and click Done.

  5. Shaders are heavy on the graphics card. If the game gets slow, pick a lower profile in the shader settings.

Compatibility

Minecraft versions
26.x, 1.21, 1.20
Edition
Java
Needs
Nothing else
License
Free to use
Price
Free
Upkeep
Actively updated (Nov 9, 2026)

Windowpane compared with similar ones Compare all alternatives

ResourceDownloadsVersionsLast updatePrice
Windowpanethe one you looked at3661.20 – 26.x10 days agoFree
Lumina ShaderBenjiaa196K1.8 – 26.xSep 20, 2026Free
Vanilish ShadersTypon66K1.8 – 1.21Feb 16, 2026Free
Mist ShadersGlacierDevelopment15K1.19 – 26.xJul 5, 2026Free

Questions

Does Windowpane work on Minecraft 26.x?

Yes. Windowpane supports Minecraft 26.x. All supported versions: 26.x, 1.21, 1.20.

Is Windowpane free?

Yes. Windowpane is free to download from Modrinth.

Is Windowpane still updated?

Yes. The last update came out in the past day.

What are the best alternatives to Windowpane?

The closest ones are Lumina Shader, Vanilish Shaders and Mist Shaders. Compare all alternatives

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