The result of the Attach target change operation using AttackTrack's ContextMenu varies depending on the flow

UE - Anim - Sequencer - Jul 6, 2018

At present AttackTrack's context menu has three patterns of Attach target change flowChange constraintBindingIDUse ExsitBindingUse NewBinding However, 1 and 3 can correctly change the target, but t ...

Behavior of NewBinding and ExistingBinding are different inside Shot track

UE - Anim - Sequencer - Jul 6, 2018

When using NewBinding, the bind does not work properly with the level sequence specified by ShotTrack. The cause is that Guid of ExistingBindingID will be empty when passing through ActorPicked in ...

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 ...