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. ...

Enabling windows animation causes dropdowns to glitch up and down.

UE - Editor - UI Systems - Nov 18, 2021

Observe dropdowns glitching up and down when enabling Windows Animation in editor preferences.  This is not a regression due to it occurring in 4.26.2 ...

Typo in water body ocean materials parameter

UE - Graphics Tools - Terrain - Water - Nov 18, 2021

In Water_Material_Ocean material, there is a typo under FluidSimulation that says "Siulation Flowmap Speed" This is not a regression due to it occurring in 4.26.2. ...

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 ...

Creating new objects inside ForEachObjectWithOuter may cause the bucket of the iterated outer to be read-locked permanently

UE - Foundation - Feb 8, 2022

Not a Regression. Tested in: //UE5/Release-5.0 CL 18747223 Source-GitHub //UE4/Release-4.27 CL 18319896 Binary User Description: "The crash test code is located at Source/HashBucketLockedBug/Pr ...

Packaged Game crashes when using blend space that was added from the context menu

UE - Anim - Runtime - Anim Blueprints - Nov 16, 2021

Blendspace created within an animation blueprint from the context menu throws an assertion when packaged and ran. Only occurs in packaged projects. The blendspace will work correctly in PIE, and st ...

Crash while trying to import a C4D file with Animation via Datasmith

UE - Editor - Content Pipeline - Datasmith - Importer - Apr 10, 2020

The file was originally created by Mixamo and saved as FBX. It was resaved it in C4D with the Save for Cineware Option. Importing it into the Editor causes it to crash. This was tested and reported ...

GameplayTagContainers can cause a crash in packaged builds when Event Driven Loading is enabled

UE - Gameplay - Dec 15, 2017

A user has reported that using a GameplayTagContainer can cause a packaged build to crash when EDL is enabled in certain cases. In this case, if the base C++ class that includes this GameplayTagCont ...

Crash Occurs When Running EQS Query on Mobile

UE - AI - Oct 19, 2016

Deploying a project to a mobile device that runs an EQS Query is causing the game to crash on the device. This has been tested with a Galaxy Note 4 and iPhone 5s. Attached are the logs from the de ...

FStateTreeExecutionContext::GetDebugInfoString() outputs wrong info and crashes when using linked state trees

UE - AI - Debugging - Apr 17, 2025

When using State Trees, the AI Debugger can be accessed during play to show information about their current execution state. If a behavior tree is currently in a state that references a linked tree, ...