Unity Issue Tracker - Realtime GI behaves differently when using Unlit (Amplify) and Lit (Shader Graph) shaders in URP

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Under Consideration for 6000.5.X

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Issue ID

Regression

Realtime GI behaves differently when using Unlit (Amplify) and Lit (Shader Graph) shaders in URP

-

Jan 13, 2026

Reproduction steps:
1. Open the attached project "ReproProj"
2. Open the “/Assets/Scenes/Yulele/BakingTest.unity” Scene
3. Enter the Play Mode

Expected result: Both sides are lit similar
Actual result: Right side is more lit

Reproducible with: 6000.0.65f1, 6000.3.4f1, 6000.4.0b4, 6000.5.0a4

Reproducible on:
Play Mode
Windows Standalone Player

Testing environment: Windows 10 Enterprise 21H2
Not reproducible on: No other environment tested

Note:
- Amplify Shader (Unlit template) is present on the left, and on the right the Shader Graph – Lit shader is present