References are lost when using the "FormerlySerializedAs" annotation in the Prefabs

Unity: Serialization

Won't Fix

6.0.X

2023.3.X

2023.2.X

2023.1.X

2022.3.X

2021.3.X

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, and please let us know if there is anything else that changes the impact or severity of this issue.

How to reproduce:
1. Open the “FormerlySerializedAsIssue” project
2. Select the “Tile” Prefab in Project window
3. In the Inspector observe the “Revealed Object” field in the “Tile” script Component
4. Open the “Tile” script
5. Uncomment line 9 and comment out line 10 then save the script
6. Comment out line 9 and uncomment line 10 then save the script
7. Repeat step 3

Expected result: The “Revealed Object” field is set to “RevealedSquare” Asset
Actual result: The “Revealed Object” field is empty

Reproduced with: 2021.3.32f1, 2022.3.13f1, 2023.1.20f1, 2023.2.0f1, 2023.3.0a14

Reproduced on: Windows 11
Not reproducible on: No other environment tested

Note: Not reproducible with a non-Prefab GameObject → Additional information provided in internal comments

References are lost when using the "FormerlySerializedAs" annotation in the Prefabs

Unity: Serialization

Won't Fix

Prioritise and Follow this issue

Have a workaround or additional info about this issue?

References are lost when using the "FormerlySerializedAs" annotation in the Prefabs

Unity: Serialization

Statuses

Won't Fix

Resolution Notes

Description

Prioritise and Follow this issue

Have a workaround or additional info about this issue?