Instanced Widget Property is not saved after compile if marked as EditInlineNew

UE - Editor - UI Systems - Aug 2, 2017

When an EditInlineNew Instanced property exists within a nested user widget, changes to the property are not saved after compiling the widget blueprint in the editor. ...

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. ...

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 ...

Combined Translate and Rotate Mode broken when using Local Space

UE - Editor - Workflow Systems - Dec 22, 2023

From UDN: When using the Combined Translate and Rotate Mode we run into an issue where the rotation arrow moves twice as fast as the coordinate frame. The object itself rotates correctly, but if we ...

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 ...

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 ...

Using Scene Capture 2D with a movable Skylight will cause a crash

UE - Graphics Features - May 11, 2015

When placing a Scene Capture 2D with an assigned Render Target Texture and using a movable Skylight the editor will crash. [Link Removed] ...

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 ...