Unity Issue Tracker - Texture Assets are reimported when the launched Editor is recovering from an unexpected close if there were compilation errors

Fixed in 2021.1.X

Fixed in 2020.2.X

Votes

3

Found in

2019.2.0a9

2019.3.8f1

2019.4

2020.1

2020.2

Issue ID

1264055

Regression

Yes

Texture Assets are reimported when the launched Editor is recovering from an unexpected close if there were compilation errors

Asset - Database

-

Jul 18, 2020

How to reproduce:
1. Open user-submitted project (TextureReImportTest.zip)
2. Open the Assets/Scripts/BreakTheTextures.cs script
3. Uncomment the 'broken!' line and let the Editor recompile scripts
4. Force-quit the Editor by ending the task
5. Launch the project again and note the loading process

Expected result: the textures are not reimported because nothing changed
Actual result: the textures are reimported

Reproducible with: 2019.2.0a9, 2019.4.5f1, 2020.1.0f1, 2020.2.0a18
Not reproducible with: 2018.4.25f1, 2019.2.0a8

Notes: reproducible with ADBV1 and ADBV2

Resolution Note (fix version 2021.1):

The issue is the following:

1. User project successfully loads (Domain A)
2. User introduces compile error, domain is NOT reloaded (Domain A still loaded)
3. Editor is restarted
4. Partial domain (Domain B) is now loaded, but certain dependency checks depend on the full domain to be loaded (i.e. the postprocessorVersionHash)
5. Once compilation errors are fixed during Safe Mode, domain is loaded (Domain A) and dependencies match so nothing is imported
6. Without Safe Mode we would see this behaviour though.

Recommended workaround:
1. Don't shut down the editor when there are Compile Errors present if not on an Editor Version with SafeMode
Resolution Note (fix version 2020.2):

Fixed in 2020.2.0b3 by the introduction of Safe Mode, which is prompted when the project has script compilation errors

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3

2019.2.0a9

2019.3.8f1

2019.4

2020.1

2020.2

1264055

Yes

Texture Assets are reimported when the launched Editor is recovering from an unexpected close if there were compilation errors

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