Unreal Engine Issues

[CrashReport]UnrealEditor-DatasmithImporter!FDatasmithImporterHelper::ImportInternal(UFactory *) [DatasmithImporterHelper.cpp:218]

Generated from CrashReporter ...

Changes to AActor::SetReplicates caused Role/RemoteRole replication fix to regress

There was a recent bug report that matched the description of some older cases (see linked UDN). The issue raised in those cases, [Link Removed], had been fixed, but the recent question seemed to in ...

Lumen appears to ignore custom World Origin Location

Lumen doesn't update when the World Origin Location is changed. ...

Some Niagara Fluid systems render black with 'Extend default luminance range in Auto Exposure settings' enabled with SunSky

Some Niagara Fluid systems render black with 'Extend default luminance range in Auto Exposure settings' enabled with a SunSky in the level. ...

SK: The build code do not look at the alternate skin to do the welding

We need to investigate if we want this behavior or not, if we do not weld the base lod vertices, maybe we will have bad mesh behavior when not using the alternate skinning. The consequence of this n ...

When SimpleLink and SmartLink are enabled, CustomLinkId is sometimes missing.

If trying to find NavLinkProxy with SimpleLink and SmartLink enabled by searching the path,  sometimes CustomLink is not found (CustomLinkId=0). Since only one NavLinkProxy is located on the level, ...

Ray Traced Translucency causes artifacts when rotating a Static Mesh that is far away from center of the map

Tested in //UE4/Release-4.27 CL#18319896 Ray Traced Translucency causes artifacts when rotating a Static Mesh in the 'Open World' level when moved far away from the center of the map. The Artifacts ...

Sprite does not have a UV1 G channel.

The R channel of UV1 is not a problem. ...

HLOD is not created correctly when using RuntimeSpatialHashPlaceSmallActorsUsingLocation.

IVideoRecordingSystem::EnableRecording call on Windows shifts viewport drawing position

The viewport is shifted by the IVideoRecordingSystem::SetRecording call. This problem occurs in play standalone mode and packaged build running as window mode. (not occur in fullscreen mode) The vie ...