Unreal Engine Issues

ios threads freeze for almost one second when notifications pop up

see the UDN .Setting bOtherAudioPlayingNow to always false can workaround the problem, but it's better to have a more robust solution. ...

BuildPatchTool doesn't finish if enabled building Http Chunk on Mac

We may fix this issue by the following codes. FPakPlatformFile::FPakPlatformFile(): LowerLevel(NULL) ,bSigned(false) { // remove //FCoreDelegates::GetRegisterEncryptionKeyMulticas ...

Scene Color node with UV input on a transparent material renders incorrectly in stereo

From Licensee: When we have Instanced Stereo enabled, all our materials that use Scene expression nodes (SceneDepth, SceneColor, etc...), render incorrectly in the right eye. It only happens to the ...

Initializing a System parameter to a Niagara Parameter Collection data interface parameter does not work

Initializing a System parameter to a Niagara Parameter Collection data interface parameter does not work ...

Editor preview safe zones for notched iPhones do not match those used at runtime

Hi, on iOS we ask the device for its cutout regions, but the values returned by the device can be overridden using the SafeZone.Landscape.* cvars. However these are on-device only settings. When th ...

Runtime Virtual Texture Volume does not update correctly after World Origin shifting

Landscape grass ignores the scale of the parent actors

DrawScale = Landscape->GetRootComponent()->GetRelativeScale3D(); ↓ DrawScale = Landscape->GetActorScale3D(); Changing as above will solve the problem. Output log displays this warning: LogPhysic ...

FBX skeletalmesh animation import use an integer for sample rate

Integer sample rate is not playing well with 23.976(NTSC/24) sample rate, the curve get resample at 30Hz in that case and we loose precision. We need to support FFrameRate sample rate to get accura ...

Tile Streamed in Temporarily has Stepping on Landscape

This was reported in a UDN. Jeremy M. originally pointed out that the stepping looks to be caused by high res geometry sampling a low res heightmap. Additional observations:Loading the tile in w ...

Merged actors cannnot cast shadows when source actors Cast Shadows is disabled

Merging actors with cast shadows disabled causes the merged actor to be unable to cast shadows at all. Toggling the Cast Shadows option does not resolve the issue. This is seen in //UE4/Release-4.2 ...