Crash when creating an animation

Tools - UMG - Jun 7, 2019

The editor crashes when trying to add an animation key frame for the row fill setting for a grid panel ...

Mobile VR - Render Targets not working with Mobile Multi-View

Virtual Reality - Jun 6, 2019

Render target materials display as black on mobile VR when Mobile Multi-View is enabled. Also confirmed with LDR capture source. User also reports issues with scene depth (potentially fixed with U ...

Instances Created From Merge Actor Have Corrupt Lightmaps

Rendering - Jun 6, 2019

Instances Created From Merge Actor Have Corrupt Lightmaps. Working as intended in 4.20 CL# 4369336 and 4.21 CL# 4753647 Found in 4.22 CL# 6574378 and 4.23 CL# 6842436 This is a regression. ...

Crash when opening a new level while opening Editor Utility Widget after opening and closing it multiple times

Tools - Jun 4, 2019

Crash when opening a new level with reopened EditorUtilityWidget after opening and closing it multiple times. The cause of this issue is that UEditorUtilityWidgetBlueprint :: UpdateRespawnListIfNee ...

Huge performance hit when recording a demo (demorec)

Networking - Replay - Jun 3, 2019

The current engine version (4.22) seems to suffer a huge performance hit when using the demo recording (demorec) feature. This issue is present in both the editor and the packaged game (developer bu ...

GLTF Datasmith Files Import Incorrectly if Mesh Names Contain a "."

Datasmith - Jun 3, 2019

Importing a GTFL through the GLTF Datasmith import references incorrect instance meshes when their names contain a period. Which is very common when exporting from Blender which automatically adds t ...

Failed to launch project with -D3D10 Command Line Argument

Rendering - Jun 3, 2019

Adding the d3d10 command line argument to a package project results in a crash. This worked normally in 4.21 and below.  ...

Actors spawned by child actor components are selectable in the world outliner

Tools - Slate - May 31, 2019

The actor assigned to a child actor component should only have it's properties modified on the template, as the actor is spawned dynamically by the component. We used to enforce this by automaticall ...

Actor transform widget does not update its position when selected actors move during simulation

Tools - May 31, 2019

The Actor Transform Widget/Gizmo does not follow any actors that are moved during Simulate when the actors are selected. If the selection is changed or if the actor is clicked again, the Widget/Gizm ...