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Won't Fix



Found in



Issue ID




Creating a certain struct in the script crashes the Editor on Begin MonoManager ReloadAssembly



To reproduce:

1. In a new project, create a script and write the following in the script:
public struct NavigationNode {
public NavigationNode? parent;
2. Save the script and go back to Unity
3. Observe that Unity simply closes during compilation

Expected: the Editor doesn't crash

Reproduced in 2018.3.0a1, 2018.3.0b2, 2018.3.0b3, 2019.1.0a2
Did not reproduce in 2018.2.10f1
Regression introduced in 2018.3.0a1

  1. Resolution Note:

    This is an interaction between the new Roslyn compiler at 2018.3 and the .NET reference assemblies we compile against. The reference assemblies are missing fields which doesn't allow compiler to infer the infinite type recursion. This is being tracked as a mono issue:

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