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Fixed in Unity 2018.3



Found in


Issue ID




When building a lot of AssetBundles some Bundles will result in corrupted resources ".resources" or ".resS" will be 0 bytes

Asset Bundles



Priority: 2Necessary for shipping a final release


Severity: 3Secondary functionality broken

Reproduction steps:

1. Open "" project
2. "Generate" -> "1000"
3. Open Asset Bundle Browser Window
4. Build Asset Bundles
5. Open Asset Bundle Output Path
6. Sort by size, from smallest to biggest
7. Extract the First AssetBundle with "WebExtract"

Expected Result: WebExtract finishes successfully
Actual Result: WebExtract hangs, due to corrupt Asset Bundle

Fixed in: 2019.2.0a5, 2019.1.0b4, 2018.3.6f1

Reproduced with: 2019.2.0a2, 2019.1.0a14, 2018.3.3f1, 2018.2.20f1
Did not reproduce on: 2017.4.19f1

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