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Thank you for reporting a bug to Unity. We have reviewed the issue carefully, and in this case, the team is unable to prioritize fixing this bug. There are a number of reasons we make this decision, including the impact and severity of the issue across our user and customer base, and the possibility that future plans may solve the problem in a different way, or that a workaround for the bug may be available. Today we will be closing this case. Thank you again for taking the time to report this issue. In this specific case, the fix would require a significant rework of the Player into a two-pass structure. We *do* have long term plans to revisit the backend of the Player system which will solve this issue, but we want to give you a direct response to the issue now, rather than just leaving you hanging wondering what's happening.
Repro steps:
1. Open the attached "IN-145370_6_6_0a7_AtlasTest.zip" project
2. Open the SampleScene
3. In the Project tab, select Assets-> master atlas and make sure “Include in Build” is disabled
4. Go to File->Build Profiles, then “Build and Run” with SampleScene
5. Observe the Player
6. Back in Assets, enable “Include in Build” on the master atlas
7. “Build and Run” again
8. Observe the player
Expected result: In step 5, no Triangle should be visible in the Player. In step 8, a Triangle should be visible in the Player without needing a Clean Build
Actual result: In step 5, no Triangle is visible in the Player (as expected). In step 8, the Triangle is still not visible in the Player until a Clean Build is triggered
Reproducible with: 6000.0.0f1, 6000.0.77f1, 6000.3.18f1, 6000.4.12f1, 6000.5.0f1, 6000.6.0a7
Reproducible on: MacOS 26.5 (M1), Windows 11
Workaround: With “Include in Build” enabled go to “Build Profiles”, use “Clean Build” from the Build dropdown, then launch the player - the Triangle appears
Note: If the first build is made with "Include in Build" already enabled, everything works as intended. To reproduce the bug, the atlas must be built with "Include in Build" disabled first, then re-enabled on a subsequent build.
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