Rendering of a Text Widget with Outline does not track LayerId correctly

UE - Editor - UI Systems - May 27, 2025

Text widget with Outline uses 2 LayerId levels to draw the outline and the text glyphs. This can be seen in function FSlateElementBatcher::AddShapedTextElement(), where lambda BuildFontGeometry() is ...

Dealing with spaces in perforce directories

UE - Foundation - Horde - May 26, 2025

Hello, We're encountering a fatal error when trying to set up a project in Horde using the AutoSdk: Fatal error: EpicGames.Perforce.PerforceException: Unable to parse view map entry: &quot ...

Virtual Shadow Maps on Spot Lights cause a blocky presentation similar to an incorrect mip level

UE - Graphics Features - Shadows - May 26, 2025

Spot Lights may present with very blocky shadow artefacts when a long attentuation radius is provided with a small cone angle. In extreme cases, this causes the VSMs to invalidate every frame. Notab ...

Fix BinkMediaTextureResource command list crash on UE 5.6

RAD - May 23, 2025

Bink MediaTextureResource assets cause a graphics API crash, due to a missing UAV flag. The Licensee has proposed a fix to add the TexCreate_UAV flag. ...

World Source in Take Recorder does not record auto-tracked actors properly

UE - Virtual Production - Tools - Take Recorder - May 23, 2025

The Take Recorder plugin allows for multiple sources to be recorded during gameplay. The World Source is expected to record everything in the level when the Autotrack Actors option is enabled. Once ...

Iris - Subobjects marked COND_InitialOnly not replicated

UE - Networking - Iris - May 23, 2025

When adding replicated subobjects to the registered subobjects list, you can set replication conditions to control how the subobject is considered for replication. Without Iris enabled, a COND_Initi ...

Compilation error with Evaluate Chooser node when getting All Results from Subclass Of table

UE - Anim - Gameplay - May 22, 2025

Trying to use the Evaluate Chooser node in the All Results mode with a chooser table that returns the Subclass Of type results in a compilation error ("Array of Actor Object References is not compat ...

Creating FTickableObjectBase inherited class in async thread may cause pure virtual function call

UE - Framework - May 22, 2025

Classes that inherit from FTickableObjectBase are added to the tickable queue by the QueueTickableObjectForAdd function during their construction (see FTickableGameObject::FTickableGameObject). At t ...

Changes to Instanced Properties default value on BP not propagated to placed actors in the opened level

UE - Foundation - May 15, 2025

In UE versions 5.4 and onwards (as of CL 42589677 in Main), when an Instanced UObject property is defined in an Actor Blueprint, modifying the default value in the Blueprint does not propagate the c ...

ResavePackages commandlet (buildlighting) fails/asserts on reflection captures in non-visible sub-levels

UE - Graphics Features - May 13, 2025

When building reflection captures through the ResavePackages commandlet, it frequently triggers an ensure inside of ReflectionEnvironmentCapture.cpp. If distributed shader builds start causing prob ...