There's no motion blur on streaming GeometryCache

UE - Editor - Content Pipeline - Datasmith - Sep 28, 2021

UDN customer mentioned: "there looks to be support for motion vectors as exported from DCC apps (for rare cases like fluid sim), but regular in-engine motion vector calculation for regular motion bl ...

Groom + RT refraction not working correctly

UE - Graphics Features - Sep 28, 2021

Virtual Scouting Interactor / VR Scouting Tools Menus appear Black when using real-world lighting values (i.e. 70k lux)

UE - Virtual Production - Tools - VR Scouting - Sep 27, 2021

The Virtual Scouting tools appear black in scenes using real-world physical lighting values due to their UI Material Domain since they do not have an emissive channel and do not accommodate viewport ...

EHMDTrackingOrigin Enum isn't used correctly

UE - Platform - XR - Sep 27, 2021

Is this a bug with OpenXR tracking in OpenXRHMD.h:145? virtual void SetTrackingOrigin(EHMDTrackingOrigin::Type NewOrigin) override { TrackingSpaceType = (NewOrigin == EHMDTrackingOrigin::Floor ...

Deleting the first instanced subobject entry from a Blueprint map or set variable's default value can result in an editor crash.

UE - Gameplay - Blueprint Compiler - Sep 27, 2021

Deleting the first instanced subobject entry from a default value for a map or set variable can result in accessing an incorrect subobject for the element's value during reinstancing, which can then ...

iPhonePackager code signature not supported by iOS 15

UE - Platform - Mobile - Sep 27, 2021

Pasting an element into a Widget Blueprint hierarchy causes a crash

UE - Editor - UI Systems - Sep 23, 2021

Pasting an element into a Widget Blueprint after removing the canvas panel will result in a crash.  This has been tested with the border and button elements. This issue is occurring in //UE5/Releas ...

InitializeAnimScriptInstance may only need to be called if the mesh actually changes when restoring state in Sequencer

UE - Anim - Sequencer - Sep 23, 2021

The fix for [Link Removed] reinitializes the anim bp whenever the animation section restores state, it may only be necessary to reinitialize it if the skeletal mesh changes. ...

Virtual Shadow Map artefacts on animations

UE - Graphics Features - Sep 23, 2021