Palette panel favorites category no longer stores more than 1 favorite at a time

UE - Editor - UI Systems - UMG - May 10, 2022

This is a regression from 4.27.2 CL18319896 The favorites category within the User Widget's palette no longer stores more than 1 favorite at a time. Each time a new favorite is starred it replaces ...

Fix BinkMediaTextureResource command list crash on UE 5.6

RAD - May 23, 2025

Bink MediaTextureResource assets cause a graphics API crash, due to a missing UAV flag. The Licensee has proposed a fix to add the TexCreate_UAV flag. ...

Ray traced shadow sample settings greater than 1 cause shadow artifacts

UE - Graphics Features - Lumen - Sep 23, 2020

Alternative you can follow these steps to reproduce 1. Create a new project with ray tracing enabled 2. Activate the groom plugins 3. Import a groom asset into the scene 4. Add any light type to the ...

Saving Behavior Tree with Blueprint task inheriting from native class invalidates Blackboard key when BP contains a function

UE - AI - Jul 8, 2025

A regression introduced in UE 5.6 causes Blackboard key selectors in Blueprint tasks to become invalid when the Blueprint inherits from a native subclass of UBTTask_MoveTo (or UBTTask_BlackboardBase ...

nDisplay VIOSO Projection Policy broken since 5.0.3

UE - Virtual Production - nDisplay - Nov 25, 2022

Hi Sevan, I think we are having a bug: When using our calibration format “vwf” the image is slightly misaligned. Same calibration exported MPCDIv2 works good in UE. So it seems to be some issue ...

UE 4.6.1 Memory Game Causes Mac OSX to Crash

Tools - Jan 19, 2015

On a Mac running OSX 10.10.1, the launcher crashes when the user selects the "Memory Game" located in the "Learn" section under "Example Game Projects." ...

RenderTrace fatal error, shader expected a uniform buffer at slot 1...

UE - Rendering Architecture - Mar 4, 2024

RenderTrace plugin does not appear to have been updated for a change that moved the GPUScene out of the View buffer to its own uniform buffer. (CL 24027890) The test project is based on FirstPerson ...

mobile scenedepth issues on 4.25 with ES 3.1 Preview

UE - Platform - Mobile - Jul 1, 2020

We have a problem with the SceneDepth related features on the mobile after migrated to 4.25.1 from 4.23SceneDepth node output issue in translucent materialsDepthFade node output issue in translucent ...

Morph Target Preview Slider Defaults to One When Entered Value is Larger Than One

OLD - Anim - Jan 2, 2018

When morph target weight value is set to a number other than 1 the slider sets it back to being a value under 1. It does not go down from the number that it was set to but instead defaults to being ...

Matinee Capture Movie is rendering distorted when aspect ratio is set to 2:1

Tools - Mar 15, 2016

Matinee Movie Captures are rendering with distortion both video captures and Image Sequences when the aspect ratio is set to 2:1. [Image Removed] ...