The vertex color view mode in the vertex painting editor mode ceases to work when the project setting "Extend default luminance range in auto exposure settings" is enabled.

UE - Graphics Features - Dec 31, 2019

When "Extend default luminance range in auto exposure settings" is enabled, the Color View Mode in the vertex painting editor mode ceases to work and without any warning to the user. ...

FCPXML export issues

UE - Anim - Sequencer - Feb 16, 2021

[Link Removed] Looks like a few issues when using FCPXML:Export is using expanded shot framesImport is off by one on the cut in frameWould be nice to default to Sequence Data on the Data Source opt ...

Unicode Symbol issues on EditableText

UE - AI Workflows - UI Systems - Jul 28, 2021

Assertion at "UnrealInsights-TraceAnalysis.dll!UE::Trace::FTidPacketTransport::ReadPacket" when opening a capture file from a PS5 Dev Client with an Insights Binary

UE - Metaverse - Profiling Tools - Jan 24, 2023

NOTES See Slack Thread for more Info: [Link Removed] 7Z file: [Link Removed]  PLATFORMS TESTED PC: Not tested Xbox One: Not tested XSX: Not tested PS4: Not tested PS5: Occurs Android: Not tested S ...

Import path is not updated when re-importing assets from another source path by drag and drop

zComponent - Archive - Mar 13, 2023

The reimport process does not respect the new source path. Below is a workaround. UE::Interchange::FAssetImportResultRef FReimportManager::ReimportAsync(UObject* Obj, bool bAskForNewFileIfMissing, ...

Specular/Anisotropy problems with Nanite Meshes

UE - Rendering - Architecture - Jan 11, 2024

Specular highlights can disappear with clearcoat materials, when "Clear Coat Enable Second Normal" is enabled ("r.ClearCoatNormal"). ...

GAS: Creating an UGameplayEffectUIData blueprint will lead to a failed Data Validation

UE - Gameplay - Gameplay Ability System - Aug 16, 2024

The logic for data validation on UGameplayEffectComponent expects it to be owned by a UGameplayEffect. Any Blueprint derived from UGameplayEffectUIData (child of UGameplayEffectComponent) fails this ...

Modifying the view size can cause TSR history to allocate large amount of memory

UE - Rendering - Features - Sep 4, 2025

When animating the split fraction of a splitscreen experience, TSR causes an significant increase in UAV memory. In PIX, this appears to be caused by TSR allocating the history multiple times when ...

In the GameUserSettings class, Landscape quality is not taken into account by GetOverallScalabilityLevel, but is changed by SetOverallScalabilityLevel.

UE - Gameplay - Oct 17, 2025

Context: GameUserSettings stores user settings for a game, for example graphics and sound settings. The Scalability settings provide a way for to adjust the quality of various features in order to m ...

When using the WebBrowser plugin, Korean input does not work if you type in a different input field from the one that was first used on Google.

UE - AI Workflows - UI Systems - Slate - Apr 7, 2026

In the updated search box, Korean text may not be entered initially. As a workaround, switching to another window using Alt+Tab (or activating a different window) and then returning to click the sea ...