Unreal Engine Issues

Type promotion should handle UObject subclass custom operator functions

We should modify FindBestMatchingFunc_Internal for the case of UObject pins to search for a best matching subclass instead of just use the base UObject comparison.  We could also exclude any func ...

Crash when changing details of an animation in an Animation Composite

This is a regression tested in //UE4/Release-4.27 CL#18319896 Fatal error is thrown and the Editor crashes when changing details of an animation in an Animation Composite. ...

Improper include generated when C++ class is in a subdirectory

This is not a regression from 4.27.2, however, a similar issue was fixed in 4.26. Generating a C++ class that is in a subdirectory generates the #include "Subdirectory/Class.h" instead of #include ...

D3D validation error about resources being deleted while in use

We believe this is a bug in the D3D validation layer, rather than an actual error in our code. We're in touch with Microsoft about it, but I'll make this ticket to track the progress of that investi ...

When TSR is enabled, the maximum brightness is clamped to about 16000.

You can also check it by enabling real-time rendering in the NewMap.umap of the attached project, and then clicking on "High Resolution Screenshots". (You may need to disable and enable post-process ...

"Windows Principal functionality is not supported on this platform" when packaging for iOS on Mac

Thread here: https://github.com/dotnet/standard/issues/1279 ...

Pawn's role is incorrect in BeginPlay on client if a multicast RPC is called in BeginPlay on server

It seems as though calling a multicast RPC during BeginPlay on the server will cause the new actor to finish spawning on the client before applying any initial replicated data, such as the actor's R ...

Copying/pasting a Blueprint static function triggers an ensure and a new parameter in function signature

Fatal Error when setting S RGB to true on a Texture 2D from a Render Target Create Static Texture Editor Only node

This is a regression. Tested in //UE4/Release-4.27 CL#18319896 Fatal Error when setting S RGB to true on a Texture 2D from a Render Target Create Static Texture Editor Only node. ...

Assertion thrown when selecting the Input Preview arrow within a collapsed node within the Material Graph

This is a regression testing in //UE4/Release-5.0 CL#18319896 Assertion thrown when selecting the Input Preview arrow within a collapsed node within the Material Graph. ...