Anisotropy of material looks different when set via a scalar parameter node connected to the material node

UE - Graphics Tools - Texturing Tools - Apr 15, 2025

The Anisotropy of a material looks different when set on the material output node vs when set via a scalar parameter node connected to the material node ...

Blending does not work when materials using material layers are set to Post Process Volume

UE - Rendering Architecture - Materials - Dec 14, 2022

Blending does not work as intended when Material Layers are used in post process. ...

Components added in Blueprint that want initialisation are not maintained by RerunConstructionScripts

UE - Framework - Blueprint - Feb 14, 2024

When a native component that wants initialisation is added to a Blueprint actor in the Blueprint editor, the initialisation state of this component will not be correctly preserved by RerunConstructi ...

Cull Distance Volumes don't work with WP

UE - World Creation - Worldbuilding Tools - World Partition - Jul 19, 2023

[Debug Tools][Crash] - Enabling au.editor.ForceAudioNonStreaming causes editor to crash the next time the user PIEs

UE - Audio - Stream Caching - May 31, 2022

Encountered while going through some debug commands. Repro 3/3. Crash Reporter Link: [Link Removed]Assertion failed: ChunkIndex != 0 [File:E:\User\Engine\Source\Runtime\Engine\Private\AudioStreaming ...

Regression: Several project settings, especially from built-in Plugins, are being silently erased when previously they were not, which is perceived as a bug

UE - Foundation - Feb 28, 2025

In UE's Project Settings, some pages are saved automatically to the project's "Config/Default<CATEGORY>.ini" file (meant to be version-controlled) on every change. Other pages have buttons "Set as D ...

Custom Water Body does not work with its own Distance Culing

UE - Graphics Tools - Terrain - Water - Sep 14, 2023

WaterBodyCustom seems not to work with Distance Culling settings on its own actor, either Draw Distance/Never Distance Cull or Allow Cull Distance Volume.  It only can be controlled by the CullingD ...

Animators' speed and delay is sped up in exports when scenes contain 3D Grass

TM - Rendering - Jul 23, 2025

Reported in SF [Link Removed] For animators (translators and rotators), when the scene contains the 3D Grass materials, videos exported from the scene will display animators delay and speed up abou ...

Global Invalidation causes CommonAnimatedSwitcher to flicker after animation completes

UE - Editor - UI Systems - UMG - Feb 19, 2025

The common animated switcher will currently flicker for one frame when its transition animation completes if global invalidation is enabled. This appears to be caused by a visibility change (HitTest ...