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Fixed in 2021.2.X

Votes

0

Found in

2019.1.0a12

2020.1.17f1

2020.2

2021.1

2021.2

Issue ID

1308408

Regression

Yes

NotSupportedException is thrown when compiling/recompiling project with more than 64 different assemblies

Scripting

-

Reproduction steps:
1. Download and extract user's project "AssemblyUpdaterSaturation.zip"
2. Open Assets folder inside Project folder in File Explorer
3. Delete all files with the ".meta" extension (you can sort by type to make it easier)
4. Open the project
5. When API Update Required pop up appears, click on the "I Made a Backup. Go Ahead!" button
6. Wait for the project to open

Expected result: Project opens, assemblies are compiled successfully and no errors are thrown
Actual result: Project opens, assemblies are not compiled successfully, and "NotSupportedException: The number of WaitHandles must be less than or equal to 64." error is thrown

Reproducible with: 2019.1.0a12, 2019.4.19f1, 2020.1.17f1, 2020.2.3f1, 2021.1.0b5, 2021.2.0a3
Not reproducible with: 2018.4.31f1, 2019.1.0a11

Note1: The API Update Required window doesn't pop up in 2021.2.0a3, but the error is still thrown
Note2: Even if you press the "No Thanks" button in API Update Required window, the error is still thrown

  1. Response avatar

    Resolution Note (fix version 2021.2):

    Fixed in 2021.2.0a11

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