Source Generators stop working when upgrading from 2020.3 to 2021.3

[emiliosaffi]

After following the manual instructions and other members’ suggestions on this forum I managed to get the example Source Generator to run in a test project on version 2020.3. However, after upgrading to 2021.3 they stop working.

Has anyone managed to use Source Generators in Unity 2021.x?

Links to related pages:

Trying to get example SourceGenerator to work in 2020.3.30

I'm following the manual page on SourceGenerators and trying to get this example working, but I'm in Unity 2020.3.30 (I need this for DOTS). After following the manual page's example, I get this compilation error: [quote] The name 'ExampleSourceGenerated' does not exist in the current context [/quote] "ExampleSourceGenerated" is the class that's supposed to be generated in this example. In VisualStudio, I can definitely navigate to the generated "ExampleSourceGenerated" file and see that ev…

[Sources Included] Polymorphism in DOTS, now with Source Generators!

Here are the steps to make them work in 2020.3.30: try following the example on this page, step by step (just the part under the “Source Generators” section) https://docs.unity3d.com/2021.2/Documentation/Manual/roslyn-analyzers.html Don’t forget the part about adding the Microsoft.CodeAnalysis.CSharp 3.8 NuGet package in VS Make sure your generator dll has these options [image] Make sure your generator dll has these two asset labels: RoslynAnalyzer SourceGenerator Make sur…

[brunocoimbra]

I didn’t tried in 2020.3, but I have some working in 2021.3 using the Microsoft.CodeAnalysis.CSharp 3.9 (instead of the linked 3.8), so you may need to recompile the DLLs against 3.9 for it to work on 2021.3