Can't update position with SetPositionInViewport when enable global invalidation

UE - Editor - UI Systems - Jul 22, 2020

When GlobalInvalidation is enabled, do not update to the position set by SetPositionInViewport. It works fine when GlobalInvalidation is disabled. ...

Media Plate with multiple Materials changes Element 0 to the default material if 'Use Media Plate Default' is selected for any other element

zComponent - Archive - Jan 20, 2023

Media Plate isn't a feature of 5.0.3 so this is not a regression. Media Plate with multiple Elements changes Element 0 to the default material if 'Use Media Plate Default' is selected for any other ...

Datasmith Export Bug with Camera Target

UE - Editor - Content Pipeline - Datasmith - Exporters - Mar 7, 2025

Potential bug was encountered when exporting vray cameras and their targets that have been path-constraint to corresponding splines. The resulting export file shows no camera targets; hence, missing ...

Planar Reflection seems to render inverted

UE - Platform - Mobile - Jul 6, 2016

Planar Reflections seem to be inverted on mobile devices. The angles seem to be off too. ...

Sound Class Radio Filter Volume Functionality

UE - Audio - Jan 12, 2015

When creating a Sound Class and editing/applying the 'Radio Filter Volume' option, the sounds associated with the sound class seem to have their attenuation settings overridden or mixed in with an i ...

Sync'ing an asset through the editor does not update the asset until the project restarts

If an asset file is checked out / edited in source control and checked back in, others will see the yellow exclamation mark to indicate that there is an update to the asset but choosing to sync does ...

Camera Shot Blend does not work when Reverse Play

zComponent - Archive - Feb 13, 2024

Camera shot blending on Sequencer does not work when Reverse Play. If we place two cameras in a scene and just blend them by Camera Shot track in sequencer, the view point is interpolated between th ...

Crash when using CastChecked<>(nullptr, ECastCheckedType::NullAllowed) in configurations where checks are disabled

UE - Core - Systems - Jun 19, 2025

When using CastChecked<>(), the second parameter can be passed as ECastCheckedType::NullAllowed to make the check succeed when the input is nullptr. However, in UE 5.5 up to the latest engine versio ...