IOS crash disabling idle timer when closing the app

Platform - Mobile - Apr 29, 2020

Licensee report of crash during shutdown due to setting [UIApplication sharedApplication].idleTimerDisabledbeing from the Game thread. Grouped together with others items in UEMOB-492 ...

Movie Render Queue renders UMG Scale Boxes incorrectly

Tools - Sequencer - Apr 28, 2020

Scale boxes renders incorrectly when rendered with the Movie Render Queue. Scale box seems to work fine in a normal viewport and normal Sequence render. UDN: https://udn.unrealengine.com/questions ...

Codeworks fails to install under Ubuntu 18.04 and later

Platform - Linux - Apr 28, 2020

Codeworks is packaged with Unreal engine download from Github, but depends on Libpng12, which is deprecated. Current version of Libpng is Libpng16 ...

Macro input pin creates incorrect widget if the pin is named "self" and the pin type is AActor

Gameplay - Blueprint Editor - Apr 27, 2020

A macro input pin of type actor and name "self" will display an incorrect widget. The widget gives the impression/ visual cue that the macro is going to resolve the pin to `self`, but it's just a st ...

SSR Experimental Denoiser crashes when enabled using Vulkan

Rendering - RHI - Apr 27, 2020

Enabled the SSR Experimental Denoiser using Vulkan causes the Engine to crash. This crash does not happen with DX11 or DX12. This happens on Linux and Windows (-vulkan). This was reported and teste ...

Crash when opening a sequence with an additive control rig track

Tools - Sequencer - Apr 27, 2020

The editor crashes when opening a sequence with an additive control rig track ...

Returning the base class type by literal value in a base class function will return a different value in a child class when it's nativized.

Gameplay - Blueprint - Apr 27, 2020

If a base class function returns its own class as a literal value, the nativization process will emit the literal term as "GetClass()" rather than as the actual value (e.g. UBPBase::StaticClass()). ...

Niagara mesh particles have incorrect normals when scaled

Rendering - Niagara - Apr 27, 2020

Niagara mesh particle normals do not match those of static mesh actors. ...

Crash calling native Pre-Construct on User Widget in cooked build

Tools - UMG - Apr 27, 2020

Crash occurs when attempting to call native Pre-Construct in the attached project. ...

Landscape Component LODBias parameter is broken

Tools - Landscape - Apr 27, 2020