An event with Soft Class Reference as an input that is not set causes package to fail with Nativization

UE - Gameplay - Blueprint - Jul 25, 2018

Having a custom event with an empty Soft Class Reference as an input causes packaging to fail if nativization is enabled as the event nativizes with a const TSoftClassPtr<>& and the compiler cannot ...

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) ...

User is able to drag duplicate events into the graph from My Blueprint

UE - Gameplay - Blueprint Editor - Sep 27, 2018

REGRESSION: Yes, this did not occur in 4.19 The user is able to drag an Event from My Blueprint panel into any graph, creating a duplicate Event Node. Additionally the dupe Event will have extra o ...

Set functions in UWindDirectionalSourceComponent are not exposed to be called from code

UE - Gameplay - Components - Oct 4, 2018

None of the Set functions in the UWindDirectionalSourceComponent are able to be called from code. The functions can be called from Blueprint, but without the ENGINE_API macro, none of the functions ...

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 ...

PressMethod is not called in UButton::RebuildWidget()

UE - Editor - UI Systems - Slate - Nov 5, 2018

The void function UButton::RebuildWidget() does not call PressMethod when rebuilding the widget. Tested  4.19.2 (CL- 4033788), 4.20.3 (CL - 4369336), 4.21 (CL - 4537669), 4.22 (CL - 4531805) ...

AttachToComponent replication snapping to position instead of keeping relative location

UE - Networking - Feb 15, 2019

When using AttachToComponent at runtime, the attachment does not replicate properly for some clients. The relative transform/rotation is not maintained. The user who reported this issue mentioned th ...

NumNonClothingSections logic is bad

UE - Editor - Content Pipeline - Datasmith - Jul 26, 2019

We use the NumNonClothing section number to iterate in the sections, this is an error if the cloth sections are not at the end of the sections array. See the following picture of a search on NumNonC ...