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EditorGUILayout.PropertyField is not changing the list elements



How to reproduce:
1. Open project ""
2. Press BuildConfig>Open Build Configuration Window in the top menu
3. Press the Select SceneAsset button in the "Element 0" field
4. Select "Scene1"
5. Observe the "Element 0" Scene

Expected result: "Element 0" has "Scene1"
Actual result: "Element 0" has "Scene0"

Reproducible with: 2021.2.0b5, 2021.2.1f1, 2022.1.0a2, 2022.1.0a16
Not reproducible with: 2020.3.24f1, 2021.2.0b4, 2022.1.0a1
Could not test with: 2019.4.32f1 (Errors: "Library/PackageCache/com.unity.collab-proxy@1.13.5/Editor/Collaborate/Models/Providers/Collab.cs(593,22): error CS1061: 'Collab' does not contain a definition for 'RevertFiles' and no accessible extension method 'RevertFiles' accepting a first argument of type 'Collab' could be found (are you missing a using directive or an assembly reference?)")

  1. Resolution Note (2022.2.X):

    ReoderableList has design limitations, this means that when a serialized object is recreated on every frame, and the reorderable list is trying to do changes to an outdated object. Suggested solution is to edit the script so SerializedObject is not recreated on every frame but only when it's needed (button presses, window initialization, or some other event).

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