AttachTrack's SectionTitle is not displayed, when accessed from the master level sequence

UE - Anim - Sequencer - Jul 6, 2018

AttachTrack's SectionTitle is not displayed, when accessed from the master level sequence. The cause is GetSectionTitle in AttackTrackEditor.cpp. When accessed from Master, the result of Sequencer- ...

Crash after playing using FX.AllowGPUParticles during play

UE - Niagara - Jul 6, 2018

If user use "FX.AllowGPUParticles 0" during play, a crash will occur after the play ends ...

Reading LightAttenuationTexture Produces Unexpected Results With Forward Rendering

UE - Graphics Features - Jul 5, 2018

The expected behavior occurs in 4.19; unexpected behavior occurs in 4.20 and 4.21. Marking this as a regression. Per User: Reading the LightAttenuationTexture in a material receives interference ...

iPhone X doesn't render full-screen with Mac-made builds

UE - Platform - Mobile - Jul 5, 2018

When packaged from Windows for iOS, this issue does not occur. ...

When Packaging a Blueprint Nativized Game, Child Actor BeginPlay is ignored and Parent BeginPlay is triggered instead

UE - Gameplay - Jul 5, 2018

In a Blueprint Nativized Packaged Game a child Blueprint will trigger its parent logic instead of its own when it is called. This was reported in 4.20 Preview 5 (CL-4173640). This issue has been r ...

No useful tooltip info for Mid node

UE - Gameplay - Jul 5, 2018

There's no tooltip info for the Mid node, even though there's a blank space where there should be one. ...

[CrashReport] <unknown module>!UE4Editor_DatasmithImporter!FDatasmithStaticMeshImporter::BuildStaticMesh()

OLD - Enterprise - Jul 5, 2018

User comments in crash group:Importing CAD through Datasmith, assembly 1109323-00-AImporting .catproduct assembly: whole vehicle door ...

[CrashReport] UE4Editor_D3D11RHI!FD3D11DynamicRHI::SetResourcesFromTables<FD3D11PixelShader>() [d3d11commands.cpp:1500]

UE - Graphics Features - Jul 5, 2018

User comments in crash group:Light exort crashSwarm agent crash.Building lighting 1496 #if !(UE_BUILD_SHIPPING || UE_BUILD_TEST) 1497 if (!Buffer) 1498 { 1499 ***** UE ...

Scale box affects all children in a parent container widget when setting User Specified Scale

UE - Editor - UI Systems - Jul 5, 2018

When a scale box is the the first child of a container widget, setting the user specified scale to 0 will affect all other widgets in the same parent container. ...

Non-nativized classes that implement a nativized interface class do not get interface methods called when invoked through a Blueprint function library.

UE - Gameplay - Blueprint - Jul 5, 2018

UObjectBaseUtility::GetInterfaceAddress() fails due to an incorrect serialized value of the 'bImplementedByK2' property within the non-nativized class's Interfaces array on save. See support thread ...