Lumenline ShadersShaders · 1.8 – 26.xWarm golden-hour light that wraps every block: soft shadows, light shafts, glowing leaves. 6 quality levels.
Free180 downloads
1.21.9 changed the lightmap shader, and now block light is strangely warm/orange. this fixes that.
Opens Modrinth · 9,626 downloads there
1.21.9 changed the lightmap shader, and now block light is strangely warm/orange. this fixes that.
Lightmap Fixer is a shader pack made by owenxm. It supports Minecraft 1.21 – 26.x. It has been downloaded 9,626 times on Modrinth. The last update came out on Sep 27, 2025.
The newest is 1.0, released on Sep 27, 2025. It is made for Minecraft 1.21.9 – 26.2. It runs on Vanilla. The download is 400 KB.
| Version | Released | Minecraft | Type |
|---|---|---|---|
1.0 | Sep 27, 2025 | 1.21.9 – 26.2 | Release |
all this pack does is put 25w33a's ``core/lightmap`` shader into a resource pack so that it works in later versions, fixing the strangely warm lighting.
I have no idea if this'll break anything visually. maybe the end flashes? they're why the shader was changed in the first place. I dunno.
Written by owenxm. Read it with pictures on Modrinth.
Install Iris (with Sodium) or OptiFine for your Minecraft version: shaders need one of them.
Download the .zip file from Modrinth. Do not unzip it.
In Minecraft, open Options, then Video Settings, then Shader Packs, and click Open Shader Pack Folder.
Drop the .zip file into that folder, pick Lightmap Fixer in the list and click Done.
Shaders are heavy on the graphics card. If the game gets slow, pick a lower profile in the shader settings.
| Resource | Downloads | Versions | Last update | Price |
|---|---|---|---|---|
| Lightmap Fixerthe one you looked at | 9,626 | 1.21 – 26.x | Sep 27, 2025 | Free |
| Lumenline ShadersAstorUVZ | 180 | 1.8 – 26.x | 5 days ago | Free |
 Rethinking Voxelsgri573 | 13.7M | 1.19 – 1.21 | Jun 20, 2025 | Free |
 ReverieTheCMK | 438K | 1.20 – 26.x | Oct 4, 2026 | Free |
Yes. Lightmap Fixer supports Minecraft 26.x. All supported versions: 26.x, 1.21.
Yes. Lightmap Fixer is free to download from Modrinth.
Yes. The last update came out in the past day.
The closest ones are Lumenline Shaders, Rethinking Voxels and Reverie. Compare all alternatives
Lumenline ShadersShaders · 1.8 – 26.xWarm golden-hour light that wraps every block: soft shadows, light shafts, glowing leaves. 6 quality levels.
Rethinking VoxelsShaders · 1.19 – 1.21[WIP] A gameplay shaderpack based on complementary reimagined that has coloured block light with sharp shadows
ReverieShaders · 1.20 – 26.xShader with a foggy and warm look. It leverages new features added by Iris for effects previously impossible to achieve.
Boosted BrightnessShaders · 1.21 – 26.xMultiples the brightness setting by 10x which allows for fullbright. Uses the new 1.21.2 lightmap core shader meaning it works with Sodium. Like night vision
Vanilish ShadersShaders · 1.8 – 1.21A lightweight shader that adds a realistic, warm atmosphere and soft lighting to Minecraft while maintaining the vanilla style.
Night Vision FixShaders · 1.21Fixes night vision on 1.21.9+ to include your brightness slider into the light calculation
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