4.27

[Inphidel]

I was able to get this working via the following

Update LoadingScreen.uplugin
"EngineVersion": "4.27",

Update LoadingScreen.Buid.cs to include:
PublicDependencyModuleName.Add("DeveloperSettings");

Recompile the plugin

[GambitFPS]

thanks for sharing! that fixed my problem 👍🏻

[ProudArts]

Thank you!