AJA interlaced format have a strange behavior compare to Blackmagic.

UE - Virtual Production - May 21, 2019

Reproduce and confirm what is going on with the input/output. AJA output in interlaced format, should provide 30 frames at 60fps. For each frame, 1 field should contains the odd line of the image a ...

It is not possible to send console commands to an Apple TV 4K

UE - Platform - Mobile - May 21, 2019

It's not currently possible to send a console command for to an Apple TV. The device output log window does not work as it's not connected via USB and as indicated in [Link Removed], -messaging does ...

Arrays of Soft Object local variables are not captured for reference graph

UE - Gameplay - Blueprint - May 20, 2019

This bug comes from https://udn.unrealengine.com/questions/492861/view.html and is a very similar problem to [Link Removed] The issue is that the code that harvests soft object references stored in ...

Cloth doesn't transform properly when previewed in sequencer while simulation is paused

UE - Anim - Sequencer - May 20, 2019

After pausing a simulation, sequencer does not pause. Any cloth part of the sequence does pause while the rest of the sequence is still playing.  When closing the sequence and setting the sequence ...

FCanvasTriangleRendererItem relies on BaseVertexIndex not being zero.

UE - Rendering Architecture - RHI - May 20, 2019

The root of this issue is that FLocalVertexFactory is doing manual vertex fetch in the shader. In HLSL, this relies on SV_VertexId. In GLSL, it's gl_VertexId. HLSL does not include the base vertex i ...

Selected Objects Turn Pink in Lightmap Density View Mode

UE - Graphics Features - May 17, 2019

Selected Objects Turn Pink in Lightmap Density View Mode. Works as expected in 4.21 CL# 4753647 Found in 4.22 CL# 6063286 and 4.23 CL# 6395561 This is a regression. ...

SceneCapture2D Component Show Flags that are Modified in a Blueprint initially are Copied not Referenced

UE - Graphics Features - May 17, 2019

If you disable show flags in a SceneCapture2D component of a Blueprint, trying to re-enable them in the Blueprint will not update instances in a level. Anything that was left alone will change along ...

Crash: nullptr in FindViewComponentForActor when ActorComponent is attached to Character with Camera Component.

UE - Gameplay - May 17, 2019

Selecting an Actor with a Camera and a C++ inherited Blueprint Component that has sub-components,then compiling the BP component leads to a crash. Upon Debugging the Crash Call Stack: FindViewComp ...

Action RPG- ARPG CharacterBase::GetHealth() Null Crash

Docs - Samples - May 16, 2019

In Action RPG Sample, NPC Blueprints "NPC_Goblin_Level_01,02.03"  cannot be Duplicated.   Crash results lead to ARPGCharacterBase.Cpp Get Health function. float ARPGCharacterBase::GetHealth() const ...

Tooltips incorrect when changing FExpressionInput of UMaterialExpressionTextureSample

UE - Rendering Architecture - Materials - May 16, 2019

It seems that the display of ToolTip is displayed in the order of declared UPROPERTY () of the code.[Image Removed] ...