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Fixed in Unity 2019.1



Found in


Issue ID




Shader bundle does not rebuild when changing an included HLSL file

Asset Bundles



Priority: 7Not yet prioritized for a release


Severity: 2Core functionality majorly impacted

To reproduce:

1. Download attached project "" and open in Unity
2. Select "StreamingAssets" folder and delete everything from it
3. Select Support > BuildBundles_StreamingAssets
4. Check "StreamingAssets" folder and observe that it create Shader bundle
5. Modify "shader1.cginc" by adding or removing content
6. Select Support > BuildBundles_StreamingAssets
7. Check "StreamingAssets" folder and observe that Shader bundle doesn't rebuild and bundle hash remains the same

- This issue appears on both Windows and OSX

Reproduced on Unity 2017.2.3p3, 2017.3.2f1, 2017.4.8f1, 2018.1.9f1, 2018.2.2f1 and 2018.3.0a7

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