Package build crashes when using Niagara system on a Skeletal mesh

UE - Niagara - May 29, 2019

Packaging a project having a skeletal mesh with a niagara system attached to it in the scene causes the build to crash when running the executable.  I have attached the log and dmp files relevant t ...

Touch release fires after using the virtual joysticks when "Use mouse for touch is enabled" when clicking a button

UE - Editor - UI Systems - May 29, 2019

Under the following conditions touch release will fire off when clicking a button Use mouse for touch is enabledThe user has recently clicked a virtual joystickThe user then clicks a button ...

Category drop down for actor components appears inconsistent

UE - Gameplay - Blueprint - May 29, 2019

When creating an actor blueprint the default scene root's category setting provides the option to change its category and provides multiple options. However, if a new component it added, the drop do ...

Keys applied in Sequencer to Exponential Height Fog's Fog Density (Second Fog Data) are applied to primary fog density

UE - Anim - Sequencer - May 29, 2019

Sequencer keys applied to an Exponential Height Fog actor's Second Fog Data | Fog Density are applied to the fog actor's primary Fog Density instead. Second Fog Data was introduced in 4.22. This w ...

Global Open Asset Dialog has a duplicate filter for "other developers assets"

UE - Editor - Content Pipeline - Content Browser - May 29, 2019

CL# 4832458 enabled bAddFilterUI, which causes a SFilterList to be created for the global open asset dialog. This SFilterList causes a duplicate FFrontendFilter_ShowOtherDevelopers to be added to th ...

Physics Constraints not being applied to Procedural Meshes

UE - Simulation - Physics - May 29, 2019

Procedural meshes with physics enabled created at runtime do not attach. ( Warning in Edtior: Constraint in '/Game/Maps/UEDPIE_0_Default.Default:PersistentLevel.withSMC_0.PhysicsTestSMC' attempting ...

Streaming levels loses static meshes coordinates and mesh references

UE - Gameplay - May 28, 2019

Streaming levels loses static meshes coordinates and mesh references when a Blueprint within the sub-levels are changed and they aren't toggled visible in the Persistent Level when it is being built ...

Show Volumes command does not work correctly if volume was converted from brush

UE - Gameplay - May 28, 2019

Debug display using "show volumes" does not work for volumes converted from brushes. The reason is that bHidden = true is done in the constructor of ABrush. So, we will probably need to run SetVi ...

Crash when the location of actor changes while executing SetAnimInstanceClass

OLD - Anim - May 27, 2019

This issue doesn't occur at 4.21. It seems in 4.22 only. Bone is broken in the second SetAnimInstanceClass. It seems CurrentReadComponentTransforms doesn't update. [Workaround] ・Wait using timer ...

Image Distortion when Rendering an Image Using Sequencer in DX12

UE - Graphics Features - May 25, 2019

Images are distorted when Rendering out a single image from a level sequence in DX12. Found in 4.21 CL# 4753647, 4.22 CL# 6574378, 4.23 CL# 6599617 ...