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 - Editor - 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 - Foundation - Insights - 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

UE - Editor - Content Pipeline - Import and Export - 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 - Graphics 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 ...

Default component instances do not update on "Reset to Defaults"

Tools - Apr 29, 2015

When a component that is included in a blueprint by default is set and placed in the viewport, the instance of the blueprint is not updated in the viewport if the yellow arrow is used to reset the c ...

Open Level opens previous level in Launch mode

Open Level does not properly work in Launch Game. Instead of streaming the intended level, it streams the previous level. ...