Default Context Mappings Clearing Out Custom Triggers on module load

UE - Gameplay - Input - Nov 6, 2023

This is happening because UEnhancedPlayerInput::UEnhancedPlayerInput is attempting to load the IMC asset, but if your triggers are defined outside the engine module then it would trigger a load of t ...

Motion vectors not generating correctly in build

UE - Simulation - Physics - Nov 3, 2023

Also tried using “show VisualizeTemporalUpscaler” and noticed the frames that have missing motion vector data showed up as pops in the “show VisualizeReprojection” part of the visualizer. ...

GAS: GameplayEffect with RemovalTagRequirements in networked play triggers FScopedActiveGameplayEffectLock ensure

UE - Gameplay - Gameplay Ability System - Nov 3, 2023

Reported by multiple users. When in a networked session a GameplayEffect is automatically removed due to:a tag being added that's not allowed, or (TargetTagRequirements.RemovalTagRequirements.MustHa ...

Actor attached to child actor fails to serialize as part of map

UE - Framework - Components - Nov 3, 2023

Attaching other actors to a child actor (actor spawned by ChildActorComponent) fails to serialize correctly as part of the map. The attached actor loads as detached and resets its position back to w ...

LevelSnapshots affect level visibility when restoring snapshot

UE - Virtual Production - Tools - Level Snapshots - Nov 2, 2023

Slack thread [Link Removed] ...

Editor freezes when saving a MaterialInstance

UDN users have reported hangs in the material editor when editing specifi material instances. This seems to be a threading bug, as CompileDebugViewModeShaders()  is waiting for a shader compilation ...

iOS App crashes in IAP code when AppStoreConnect agreement is not valid

UE - Online - Nov 1, 2023

From licensee: Their iOS app will "crash when purchasing IOS IAP was caused by the lack of a Paid Apps Legal Agreement setup in AppStoreConnect. It would be nice if we were to get a more graceful fa ...

LevelSequenceActor sequencer loaded with DataLayer does not progress track when played

UE - Anim - Sequencer - Nov 1, 2023

In UE5.2, there seems to be a problem with the initialization of the reloaded LevelSequenceActor. SequencePlayer->Initialize is not called in  ALevelSequenceActor::InitializePlayer() and Tick regist ...

DrawDebug elements on screen affect aspect ratio letterboxing

UE - Rendering Architecture - Nov 1, 2023

During gameplay when the view target camera's aspect ratio is not exactly the viewport's aspect ratio, the presence of rendered debug draw elements (DrawDebugArrow, etc) makes the viewport's rendere ...