Unreal Engine Issues

Blueprint Actor cannot delete implemented interface when Interface is converted to an Event.

In Editor, When you remove a return value parameter from a Blueprint Interface function's Output Category. (so there are no return values), it becomes an event. In any Blueprint that implements the ...

UI tall menu flickers with windows scaling

Tall menus are flickering that can not do anything with it when windows scaling is set.  (Please watch the attached video file) My setup: 3840x2160, 150% scale in the window ...

Sub Instance Root Motion issues

Using multiple Sub instances with root motion does not behave as expected. With both the parent and sub instances set to 'Root Motion from Everything': In 4.22, too much root motion occurs. In ...

[CrashReport] UE4Editor-MetalRHI!FMetalCommandBufferDebugHelpers::TrackResource(id<MTLCommandBuffer>, objc_object*) [MetalCommandBuffer.cpp:147]

Generated from CrashReporter ...

When doing mesh(SK and SM) re-import, package UMetaData is lost

To add some meta data to an asset you need to do a "Editor Utility Widget" I create a button that add the metadata to a specific assets here is the onClick graph of my button [Image Removed] I us ...

StaticMesh reimport from a fbx containing multiple meshes can pick the wrong mesh

FRotator::SetClosestToMe(FRotator) Doesn't Set The Correct Value

FRotator::SetClosestToMe(FRotator) doesn't set the correct value. Attached are files with the demonstrative code. Found in 4.23.1 CL#9631420 Reproduced in 4.24 Preview 4 CL#10570792, 4.25 CL#10520 ...

4.24 GitHub Build compile error - fatal error C1083: Cannot open include file: 'SketchUpAPI/geometry.h': No such file or directory

12>e:\github\unrealengine\engine\source\programs\enterprise\datasmith\datasmithsketchupexporter\private\DatasmithSketchUpCamera.h(7): fatal error C1083: Cannot open include file: 'SketchUpAPI/geomet ...

Cascade sprite scales incorrectly / flickers when set Screen Alignment to Velocity

Very easy to reproduce. uasset file provided. Doesn't happen in 4.22.3 ...

Instances In a Hierarchical Instance Static Mesh Component Don't Retain PerInstanceRandom Values When Rotated

When an instance in a Hierarchical Instance Static Mesh component is rotated using "Update Instance Transform" it doesn't retain it's material's base color value when the material uses PerInstanceRa ...