Flickering with foliage occurs when setting the world origin point

UE - World Creation - Worldbuilding Tools - Foliage - Dec 28, 2017

There is an issue with flickering with foliage that occurs when setting the world origin point. This issue does not appear to be a regression. Versions Tested: Issue occurs in all versions tested 4 ...

Preview Scene Settings in Material Editor are not Saved

Tools - Mar 3, 2018

Changes made to the Preview Scene Settings in the Material Editor are not saved. The preview scene will default to grey background instead of EpicQuadPanorama_CC+EV1 because "Show Environment" is al ...

Incorrect foliage color in editor preview when using PerInstanceRandom node

Tools - Mar 19, 2018

When using PerInstanceRandom in the foliage material, the foliage in the editor preview has incorrect "broken" color. In the game preview, color shows up correctly. Reproduced in 4.19.0 CL 3944462 ...

Using CommutativeAssociativeBinaryOperator with a BlueprintPure function causes an ensure when adding the function to a Blueprint

UE - Gameplay - Blueprint - May 3, 2018

A UFUNCTION that is BlueprintPure and has CommutativeAssociativeBinaryOperator set to true results in an ensure whenever it is shown in the Blueprint Editor. The reproduction steps cover adding the ...

When Retargeting Animation, Mesh Set as Preview that Shares Skeleton Isn't Kept

OLD - Anim - May 25, 2018

When a preview mesh is set inside the skeleton(see attached screenshot) and saved and an animation retargeted to that skeleton, the preview mesh you changed it to is not displayed on the animation. ...

Tracks referencing the same sequencer don't work properly in package build

UE - Anim - Sequencer - Jun 18, 2018

This issue is regression. It don't occur with 4.18.3. Sequencer behavior differs between PIE and package build. As shown by the attached .png, in PIE one character moves, but in package build it ap ...

Translucent Materials Receiving Incorrect Shadows in Forward Shading

UE - Graphics Features - Oct 2, 2018

Translucent Materials will receive incorrect shadows in forward shading. This is working as expected in 4.18 CL# 3832480 Found in 4.19 CL# 4033788, 4.20 CL# 4369336, 4.21 CL# 4408769, 4.22 CL# 4413 ...

When Both AnimMontage and AnimationTrack are Playing, the Blending Results are Different from Expectation

UE - Anim - Sequencer - Dec 11, 2018

When Slot animation by AnimMontage and AnimationTrack is done at the same time, the blend result differs from expectation. Probably because if AnimMontage's loop playback by EventTrack is executed, ...

BuildGraph builds some tools for Win32 even if Win32 is excluded from the build

UE - Foundation - Cpp Tools - Jan 16, 2019

When creating a local binary build of the Engine using the BuildGraph, there are several tools that are built for Win32 even if Win32 was specifically excluded from the BuildGraph (ie. -set:WithWin3 ...

UMG Animations Scale Retainer Boxes When Only Translating them

UE - Editor - UI Systems - Feb 28, 2020

When translating a retainer box in an UMG animation the scale of the retainer box is also affected. Attached is a 4.23 example project. Found in 4.24.3 CL#11590370 Reproduced in 4.23.1 CL#9631420, ...