Unreal Engine Issues

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 ...

Assert when compilling blueprint with interface implemented

Landscape Component LODBias parameter is broken

Area Lights casting Specular regardless of material specular value

The rectangle lights ignore the specular value of lit materials and will apply a specular highlight to them regardless of the value. you can compare the result against a standard point light and you ...

Override Parameters in the details section of the editor do not slice smoothly when dragging with mouse

Sliding a value within the override parameters in the details panel of the editor, the slider will get "stuck" after sliding to one value and it stops working. This occurs with any slider within the ...

ReflectionCaptures as ChildActorComponents does not capture and reload the MapBuildData Correctly.

Runtime changing r.VT.PoolSizeScale doesn't resize virtual texture pools

r.VT.PoolSizeScale should be changeable at runtime so that we can resize VT physical pools for iteration on selecting pool sizes. It works correctly at engine startup but runtime changes have no ef ...

The Alignment large than the PageSize causes crash on IOS with MallocBinned

Geometry collection components report incorrect mass for character movement components

A player cannot move heavier GC objects even if we have a valid setup due to the GC not reporting the correct mass.  ...

Reimporting of skeletal mesh results in a scrambled skeletal mesh

When we reimport our skeletal meshes with updated FBXs, the resulting skeletal mesh is scrambled up. See Scrambled.jpg attached. This does not affect every single reimport but happens randomly. W ...