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Won't Fix
Votes
0
Found in
2021.2.0a18
2021.2.5f1
2022.1
Issue ID
1387211
Regression
Yes
Error is thrown when attempting to serialize System.Random
Reproduction steps:
1. Open the attached project "Case_1387211.zip" and load Scene "SampleScene"
2. Enter Play Mode
3. Observe the Console
Expected result: No errors are thrown in the Console
Actual result: The following error is thrown in the Console:
"SerializationException: Type 'System.Random' in Assembly 'mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089' is not marked as serializable."
Reproducible with: 2021.2.0a18, 2021.2.5f1, 2022.1.0b1
Not reproducible with: 2020.3.24f1, 2021.2.0a17
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where-to-watch-ant-man-and-the-wasp-quantumania-free-online
Feb 17, 2023 17:05
This is something Microsoft removed from the base class libraries that Unity uses
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Resolution Note (2022.2.X):
Unfortunately, we no longer support the serialization of objects of type System.Random with the BinaryFormatter. This is something Microsoft removed from the base class libraries that Unity uses - with an update to newer base class libraries Unity picked up this behavior.
There is a good bit of discussion around this topic here: https://github.com/dotnet/runtime/issues/27429 (including some possible work arounds).