Interface as a function parameter does not get set unless class directly inherits the interface

UE - Gameplay - Blueprint - Mar 16, 2017

When a function takes an interface as a parameter, calling that function from a blueprint implementing the interface does not recognize the parameter unless the blueprint's parent class directly inh ...

Deleting curve from Pose Asset sets mesh back to default pose

OLD - Anim - Apr 14, 2017

REGRESSION: Yes. Issue occurs in 4.15, but does not occur in 4.14.3 When the user deletes a curve from a pose asset, the mesh will revert to default pose, even if it was showing a pose. The Pose' ...

DeltaTime returns inaccurate time when Tick Interval is positive

UE - Gameplay - May 30, 2017

When disabling/enabling tick at runtime, if (TickInterval == 0) then DeltaTime returns as the length of a frame, but if (TickInterval > 0) DeltaTime returns as the length between when tick was disab ...

Toggling off the Gameplay Filter Tag causes all Content assets to be shown

Tools - Jul 24, 2018

Toggling off the Gameplay Filter Tag causes all Content assets to be shown in the Content Browser. This reported and tested in 4.19.2 (CL-4033788) and tested in 4.20 (CL-4212847) and Main 4.21 (CL- ...

Disabling "Support Stationary Skylight" Causes Crash With Forward Shading Enabled

UE - Graphics Features - Jul 30, 2018

Disabling 'Support Stationary Skylight' crashes if you select anything in the editor when Forward Shading is also enabled. Working as expected 4.19 4033788 Found in 4.20 CL# 433996 and 4.21 CL# 42 ...

Cursor reappears in the wrong location after capture

UE - Editor - UI Systems - Slate - Aug 1, 2018

Cursor reappears at wrong location after capture when "Use Mouse for Touch" and "Hide Cursor During Capture" Broken in 4.20.1 (CL - 4239966), and 4.21 (CL - 42455242) Working in 4.19.2 (CL - 40337 ...

Auto Wrap Text boolean check appear twice in the Text Block widget element

UE - Editor - UI Systems - Aug 10, 2018

The Auto Wrap Text property in the Text Block widget element appears twice in the Details Panel. Tested in 4.19.2 (CL- 4033788), 4.20.1 (CL - 4239966),  4.21 (CL - 4275031) ...

SceneCapture2D Crashes When Changing to a Mobile Preview

UE - Platform - Mobile - Oct 16, 2018

With a SceneCapture2D actor in a level the editor will crash when changing to a mobile preview. Working as expected in 4.20 CL# 4369336 Found in 4.21 Preview 1 CL# 4435822 and 4.22 CL# 4470579 Th ...

Datasmith CAD Import Texture Scale Is Smaller Scale Than Expected

UE - Editor - Content Pipeline - Datasmith - Importer - Oct 17, 2018

The texture scaling of an imported CAD file is much smaller than that of a standard engine primitive or imported fbx.  Found in 4.19 CL# 4033788. 4.20 CL# 4369336, 4.21 Preview 2 CL# 4472090 ...

Selecting Two Sided Foliage In Editor with Material Layers Enabled Causes Crash

UE - Graphics Features - Nov 20, 2018

With material layers enabled, selecting two sided foliage will cause the engine to crash. This is working as expected in 4.20 CL# 4369336. Found in 4.21 CL# 4541578 and 4.22 CL# 4573698 This is a ...