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, ...

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 ...

Switching project monitor with shift+win+arrow keys

UE - Rendering Architecture - RHI - Apr 24, 2025

Using Windows+Shift+Arrow keys to move the application window in Windowed Fullscreen from a low resolution monitor to a high resolution monitor does not resize the application window on a Windows 10 ...

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 ...

Distance Field AO does not work below a landscape

UE - Graphics Features - Jun 25, 2015

This may be a limitation at the moment, but landscapes will block any AO generated from Distance Fields for anything that is below the landscapes surface. This can cause issues for anyone using a ca ...

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 ...

Data Table Columns do not properly wrap text when text is longer than the column width

Tools - Nov 17, 2015

Data Table Columns do not properly wrap text when text is longer than the column width. ...

"Use T0As Ref Pose" doesn't work when FBX has two meshes with different bind poses

OLD - Anim - Jun 5, 2015

"Use T0As Ref Pose" doesn't work when FBX has two meshes with different bind poses. See attached example assets ...