Unity Engine documentationScript ReferenceUnityEditorUnityEditor.CompilationCompilationPipelineCompilationPipeline.PrecompiledAssemblySourcesSystemAssemblyMatches assemblies supplied by the target framework.Read time 1 minuteLast updated 2 months agoDefinition Type: Field Namespace: UnityEditor.Compilation Assembly: UnityEditor.CoreModule SystemAssembly = 8