Unreal Engine Issues

ParticlePosition doesn't use Previous values

FHLSLMaterialTranslator::ParticlePosition does not return Previous information when request which can result in bad motion vector calculation. ...

SetAdd and MapAdd nodes do not return Bool

Set Add and Map Add nodes no longer return the boolean (bool would return true if item was added to set, false if it already exists in set) ...

STAT GPU console command makes the editor unresponsive

Running the stat GPU command causes the editor to hitch for a period of time.  ...

Utility functions in UEdGraph_ReferenceViewer are no longer exposed

A number of utility functions are provided in UEdGraph_ReferenceViewer for building menu extenders. This class was originally included in the engine as part of the ReferenceViewer module, but was re ...

"Find Collision UV" does not work with "Get Hit result under cursor"

The Hit result from "get hit result under cursor" does not appear to be working with "find collision UV" Using "Line Trace by Channel" hit result works as intended. ...

Game start slowing down when there are more than 10 sprites in the level

Sprites seem to be drastically affecting FPS in 4.19 projects on Mac devices. ...

Mover MoveDirectionIntent can be 0 due to interpolation

If two states have MoveDirectionIntent vectors that are opposite to each other, interpolating between these states can result in MoveDirectionIntent being 0. This may cause issues for animation blue ...

Blueprint inherited from StaticMeshActor will fail to compile if StaticMesh is NULL

Some developers reporting incorrect Preview in VR resolution for Steam VR

VR Preview Window is the wrong resolution, just showing the top left portion of the entire view. Somewhat similar symptoms to -[Link Removed]-, not exactly the same though.   This issue has not be ...

Composite Textures Normal to Roughness Alpha doesn't generate valid data

More infos on https://udn.unrealengine.com/questions/428429/composite-textures-normal-to-roughness-alpha-doesn.html ...