SSR Experimental Denoiser crashes when enabled using Vulkan

UE - Graphics Features - 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 ...

Particle memory can be corrupted leading to a crash

UE - Foundation - Core - Jan 7, 2019

Deferred decals with negative scale are not rendered on screen

UE - Graphics Features - Feb 24, 2016

Decals that have a negative scale are invisible in the level. This occurs across all engine versions tested. 4.10 - 4.12. ...

Duplicating a folder in World Oultiner only duplicates the first actor in the folder

Tools - Nov 11, 2016

Duplicating a folder in World Oultiner only duplicates the first actor in the folder Regression (no) issue (does) occur in 4.12.5 ...

Ensure When Pasting Timeline Node that was Previously Connected to a Node into a Function

UE - Gameplay - Blueprint - Nov 4, 2016

An ensure is occurring when pasting a timeline that was once connected to a node into a function in blueprint. Regression: No, this also occurs in 4.12.5. ...

'Stat Collision' Console Command appears twice in PIE list

Tools - Nov 3, 2016

'Stat Collision' Console Command appears twice in PIE list Regression (no) issue (does) occur in 4.12.5 ...

Moving sublevel in world composition browser does not appear in Undo History

UE - World Creation - Worldbuilding Tools - World Composition - Sep 2, 2016

Moving sublevel in world composition browser does not appear in Undo History. Regression (no) issue (does) occur in 4.12.5 ...

Automotive Photo Studio Template project renders custom render passes incorrectly

UE - Editor - Content Pipeline - Datasmith - Importer - Dec 19, 2019

Renders with a custom render pass from the level in the Automotive Photo Studio Template are incorrect. They appear to be affected by auto exposure.  ...

Shader Complexity not working correctly on Deferred Decals

UE - Graphics Features - Sep 3, 2020

If you place a deferred decal in the world and then set the view mode of the viewport to "Shader Complexity", the decal doesn't affect the complexity value. ...

Font outlines do not multiply color and opacity from parent widgets

UE - Editor - UI Systems - Slate - Jan 16, 2017

We don't currently multiply by the parent widget's color and opacity when calculating the color and opacity of a text block's outline. Since color and opacity are precalculated before the outline is ...