Unreal Engine Issues

C++ Actor Component is removed from Actors in scene when the Editor is restarted

This is a regression tested in //UE4/Release-4.27 CL#18319896 C++ Actor Component is removed from Actors in scene when the Editor is restarted. ...

GPU Lightmass ignores IES Profiles on Static Lights while building lighting

This is a regression tested in //UE4/Release-4.27 CL#18319896 GPU Lightmass ignores IES Profiles on Static Lights while building lighting. Tested with different Global Illumination and Reflection s ...

Some Niagara Fluid systems are not visible in a packaged project

Previously packaging caused a crash with this system. This was fixed, but now the system is no longer visible when packaged. ...

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. ...

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 ...

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

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. ...

[CrashReport]libUnrealEditor-RenderCore!FRDGEventScopeOpArray::Execute(FRDGBreadcrumbState&) [RenderGraphEvent.cpp:149]

Generated from CrashReporter Error Message:Assertion failed: !EnumHasAnyFlags(StencilAccess, AnyCopy) [File:./Runtime/VulkanRHI/Private/VulkanBarriers.cpp] [Line: 439] Only the Stencil being transi ...