Unreal Engine Issues
Unreal Engine Issues
Changing the “DistanceField Trace Distance” requires rebuilding the lightmaps
UE - Graphics Features - Feb 18, 2025Changing the “DistanceField Trace Distance” requires rebuilding the lightmaps even though the valu never affect light baking process in Lightmass. ...
Video material broken on Mac M3+ (sm6)
TM - Rendering - Oct 21, 2025On Mac devices, the video material in the viewport will display incorrectly, appearing stretched significantly. This only seems to affect the viewport and not rendered exports. ...
Chaos Vehicles - Wheel physics bounds staying in spawn location on server
UE - Simulation - Physics - Jun 9, 2023Vehicle wheel shapes on the server appear to detach from the vehicle and remain at their spawn point when running a networked game. The clients physics representation is ok and as expected, i.e. whe ...
Cull Distance Volumes not functioning while in Viewport
UE - Graphics Features - Jan 7, 2016Static Meshes are not being visibly culled within the bounds of a Cull Distance Volume, until the user presses Play in Editor. I attempted to locate a visualizer or show flag within the viewport or ...
Calling a blueprint function library within a blueprint prevents blueprint from being saved
UE - Gameplay - Blueprint - Mar 25, 2015Blueprint cannot save when a function from a function library is present in the blueprint unless any alteration is made within the function library. Once editor is closed and re-opened the user must ...
Roughness rendering differently on Macs
UE - Graphics Features - Oct 4, 2016The roughness value for Macs renders differently (less rough or glossy) compared to Windows. It also seems to render as expected within the Material Editor preview window, but when applied to an obj ...
"If" node in material editor still reads ">=" input, it should read ">"
UE - Graphics Features - Nov 18, 2014In the Material Editor, the "If" node recently received a change for an input which now registers as ">" instead of ">=". This node still reads ">=" for that input. ...
LIVE: Editor crashes when attempting to use erosion tool on landscape (4.6 preview)
UE - LD & Modeling - Terrain - Landscape - Nov 17, 2014The editor crashes while attempting to use the erosion tool on a landscape in editor. Frequency: 2/2 Callstack: <unknown module>! KERNELBASE!RaiseException() <unknown module>! UE4Editor_Core!FO ...
Type changes not detected by BP Diff tool
UE - Gameplay - Blueprint Editor - Oct 12, 2015Type changes are not shown as differences in the BP Diff tool. Found on 4.9 by live user (UDN link in additional info URL). ...
BlueprintNativeEvents with no return value (void) cannot be overridden in Blueprints.
UE - Gameplay - Blueprint - Dec 22, 2014BlueprintNativeEvents (and BlueprintImplementableEvents) are not available to be overridden in a Blueprint Graph if they do not return a value. This affects both functions present in source code, as ...