Ambient Occlusion not Applied in Buffer Visualization Using Forward Shading

UE - Graphics Features - May 13, 2019

Ambient Occlusion not applied in Buffer Visualization while Forward shading is enabled. In the "Lit" view mode AO is still applied. This is working as expected in 4.21 CL# 4753647. Found in 4.22 C ...

WorldNormal no longer works on deferred decals

UE - Graphics Features - May 31, 2019

The SceneTexture:WorldNormal is not taking in direction for color when used on deferred decals. As a result, the decals using this node always show up as grey. Tested in 4.21.2 (CL - 4753647), 4. ...

Async Tick error on Particle System

UE - Niagara - Jun 4, 2019

Whenever adding a Beam Data module along with Beam Source and Target, the Cascade editor produces an "NO ASYNC TICK" error. Tested in 4.21.2 (CL - 4753647), 4.22.2 (CL - 6547378), 4.23 (CL - 682596 ...

Enabling Omni Directional Stereo Capture Breaks Draw Material to Render Target Functionality

UE - Graphics Features - Jun 5, 2019

Enabling ODS (omni directional stereo capture) in project breaks Draw Material to Render Target functionality. Found in 4.20 CL# 4369336, 4.21 CL# 4753647, 4.22 CL# 6574378, 4.23 CL# 6836133 ...

Niagara Remove Pin Feature now deletes the variable completely from the Parameters Pane

UE - Niagara - Mar 12, 2020

This is a regression from 4.24.3 (CL-11590370). Removing a pin on a Niagara Module Script parameter will removed the variable as well. This was reported and tested in 4.25 Preview 2 (CL-12055273) ...

Unreal Editor crash on Datasmith import with VrayBlend Materials

UE - Editor - Content Pipeline - Datasmith - Importer - Jun 16, 2020

It seems like VrayBlend materials are crashing the Engine when importing them with Datasmith. This is a regression from 4.24.3 (CL-11590370) where the file imported successfully. This was reported ...

Actors set to Spawnable are not trackable by a camera once they've spawned

zComponent - Archive - Jan 18, 2023

Tested in //UE5/Release-5.0 CL20979098 this is a regression. Attachment is of UE 5.0.3. Actors set to Spawnable are not trackable by a camera once they've spawned. The camera will track the actor w ...

Improper clipping in children of a retainer widget

UE - AI Workflows - UI Systems - Slate - Jan 21, 2025

Children of retainer widgets have improper clipping, causing any widgets set to "Clip to Bounds" to clip incorrectly. This may also affect hit testing in cases where multiple retainer widgets are ne ...

Additives using Frame From This Animation as the Base Pose Type fail to retarget correctly

UE - ACT Character - Retargeting - Feb 13, 2025

Additive animations that use a frame from their own sequence as a base pose are initially broken when retargeted.  Users have to refresh the properties that select the base pose in order to fix the ...

Open Formats: USD Reimport - settings for USD not getting stored

UE - VEI - Open File Formats - Oct 16, 2026

Legacy USD importer doesn't remember import options after editor restart. Issue affects both 5.7 and 5.8. The user's choice for "Kinds to Collapse" is stored as a editor preference rather than per a ...