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Fixed in 2021.1.X

Fixed in 2020.2.X



Found in


Issue ID




SpriteAtlas v2 generated textures do not retain ordering in the build

Build Pipeline


When making any changes to sprites or sprite atlas v2, the resulting generated texture atlases change their ordering in the final build output causing a large sweeping set of changes to the build resulting in very large amount of data to patch or redownload on many platforms.

Repro steps:
1. Download attached SpriteAtlasV2_in_shared_AssetBundle project
2. Run bundle script from "Bug Report > Execute" Menu dropdown
3. In AssetBundles window, select "Inspect" tab and Add Folder
4. Add Bundles > First and Second folder and compare preload tables
5. Refer to attached screenshot and verify atlas order in table

Expected Result: Sprite Atlas v2 texture ordering in table should be the same for both First and Second bundles
Actual Result: Sprite Atlas v2 texture ordering in table is different for both First and Second bundles

  1. Resolution Note (fix version 2021.1):

    A fix for this issue will be available on Unity 2021.1.0a8 and above

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