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Fixed in 2022.1.X

Fixed in 2021.2.X

Votes

15

Found in

2021.2.0a18

2021.2.0b14

2022.1

Issue ID

1374185

Regression

Yes

[IL2CPP]System.Runtime.Serialization.Formatters.BinaryFormatter doesn't work when Project is build with IL2CPP Scripting Backend

IL2CPP

-

Reproduction steps:
1. Open the attached project "BinaryFormatter.zip"
2. In File > Build Settings, make sure that Scenes/SampleScene is added to Scenes In Build
3. In Player settings change Scripting Backend to the IL2CPP
4. Build and Run
5. Observe the Build

Expected result: Data is serialized successfully
Actual result: Binary Formatter discards data, serialization fails

Reproducible with: 2021.2.0a18, 2021.2.0b16, 2022.1.0a13
Not reproducible with: 2019.4.32f1, 2020.3.21f1, 2021.1.27f1, 2021.2.0a17

Note:
- The issue is not reproducible with Mono Scripting Backend

  1. Resolution Note (fix version 2022.1):

    Fixed in: 2022.1.0b1

  2. Resolution Note (fix version 2021.2):

    Fixed in: 2021.2.3f1

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Comments (7)

  1. MaskedMouse

    Nov 05, 2021 13:09

    People stop using the binary formatter it is NOT safe. Even the microsoft documentation says so.
    IMO Unity should warn developers using this API

  2. james_work

    Nov 05, 2021 02:03

    +1 This is the only thing blocking our upgrade to 2021.2, would appreciate a fix ASAP.

  3. MrDizzle26

    Oct 29, 2021 15:03

    This is an extremely important issue for our team, we are stuck on the very unstable b1 until this is resolved

  4. Shii

    Oct 28, 2021 10:25

    This is the only one know issue in 2021.2 that preventing us upgrading our project from 2020.3. Please fix it!

  5. Johnroy3

    Oct 27, 2021 21:24

    Can someone please fix this? Like, right now :/

  6. gamefox87

    Oct 27, 2021 21:18

    Please fix this ASAP.

  7. Kunnogi

    Oct 27, 2021 21:17

    Definitely requires to be fixed, very important issue, should be fixed ASAP.

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