Unable to edit default values of TMap struct variable stored in an inherited component from the full blueprint editor

Gameplay - Blueprint Editor - Jun 29, 2017

When you have a struct variable that is part of a TMap which is stored in an inherited component, the struct is not editable in the full blueprint editor. It is editable in the data only blueprint e ...

[CrashReport] Fatal error: Couldn't find shader - FMaterial::GetShader()

Rendering - Jul 20, 2017

This is a common crash affecting users in 4.16. User DescriptionsTried to edit the VivePreController Meshtried to edit SM_Skysphere after shaders had finished compiling. For no other reason than th ...

Warning message appears to be incorrect when casting to an inherited blueprint with a self reference

Gameplay - Blueprint - Jul 27, 2015

A user was trying to cast to a child blueprint from the parent using a "Reference to self" variable as the target. The warning messaged: "Child" does not inherit from "Parent" (Cast to "Child" wou ...

Mouse control is not obtained when clicking on a game's title bar from another app

Tools - Jan 18, 2017

A licensee has reported that gaining focus of a UE4 game window by clicking the window's title bar results in the game only receiving keyboard input and no mouse input until you also click in the ga ...

Montage Section bars render behind black lines in timeline

Anim - Animation - Apr 17, 2017

REGRESSION: No, this also occurs in 4.15. In the montage editor, the gree montage section bars render behind the black lines of the timeline, making them hard to see. ...

Code Delegate behavior is not consistent based on where the delegate is created

Gameplay - Blueprint - May 22, 2017

When a delegate is created in a component class, adding the component to a blueprint will show the delegate in the Event section of the Details panel when the component is selected. This allows an ...

Motion blur on single frames when character and camera are moving together

Rendering - Jul 5, 2017

Motion blur on single frames when character and camera are moving together. Cannot tell what is causing this. There is no pop in the character animation and the only thing I can imagine is that th ...

[CrashReport] UE4Editor_UnrealEd!SCurveEditor::OnObjectPropertyChanged

Tools - Aug 1, 2017

This is a common crash that has affected more than 170 users since at least 4.15 and occurring into 4.17. Based on one user description and frequent project names, this appears to commonly correla ...

Preview of Material doesn't Work Well When Using Particle SubUV and World Position Offset

Rendering - Niagara - Aug 8, 2017

Preview of material doesn't work well when using Particle SubUV and World Position Offset. The issue occurs in only preview of material. It doesn't occur in Cascade. ...

[CrashReport] Linux crash - FVulkanDynamicRHI::Init()

Platform - Linux - Aug 16, 2017

This is a trending Linux crash in 4.17.0 that has also occurred in 4.16 Callstack from LogLogLinux: Error: appError called: Assertion failed: Assertion failed: [File:/home/---/UnrealEngine/Engine/ ...