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Votes
0
Found in
2019.4
2020.1
2020.1.16f1
2020.2
2021.1
Issue ID
1297689
Regression
No
Editor GUI Labels change with creation of GUIContent in AssetImporterEditor
How to reproduce:
1. Download and open project 'GUICorruption.zip'
2. Select Asset 'Assets/SelectThisAndRecompile.asset'
3. Enter Play Mode
4. Observe Editor
Expected result: No changes in the Editor
Actual result: Most of Editor UI Labels are changed
Reproducible with: 2019.4.16f1, 2020.1.16f1, 2020.2.0b14, 2021.1.0a9
Couldn't test with: 2018.4.28f1 (No Namespace AssetImporters)
Notes: In CustomLevelImporterEditor.cs not initializing testlabel (changing "private GUIContent testlabel = GUIContent.none" -> "private GUIContent testlabel") and setting it's value later doesn't produce the issue
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Resolution Note:
The issue is due to assigning the reference pointer of none to the users variable and when assigning the new it overwrites the pointer. Because GUIContent is a reference type (class) it will be assigned based on a reference, not sure we can break that pattern.