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Fixed in 2021.1.X



Found in

Issue ID




Texture compression ASTC format "Fast" override produces black pixel color artifacts for some textures

Asset - Importers


Using "Fast" compressor quality import setting override on ASTC format textures produces wrong colors in parts of the input texture that have flat single-color areas.

1. Drop attached 2dSignsCrop.png and 2dSignsCrop.png.meta into a project,
2. Switch project to Android platform with ASTC texture mode override,
3. Look at the texture in the inspector, notice black or brown artifact areas.

Bug seemingly started to happen in 2021.1 a1

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