Unreal Engine Issues
Unreal Engine Issues
Default Context Mappings Clearing Out Custom Triggers on module load
UE - Gameplay - Input - Nov 6, 2023This 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, 2023Also 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. ...
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, 2023From 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, 2023In 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, 2023During 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 ...
FAnimationRuntime::BlendPosesPerBoneFilter() causes an assertive crash when Skeletal Mesh LOD is changed
UE - Anim - Runtime - Nov 1, 2023The crash occurs from "check(BoneBlendWeights.Num() == NumBones);" This crash occurs when the following conditions are met;The skeletal mesh LOD is changed.The number of bones is difference between ...
Customizations that use FDetailPropertyRow::CustomWidget and set the visibility attribute do not honor it
UE - Editor - Workflow Systems - Oct 31, 2023Customizations that use FDetailPropertyRow::CustomWidget and set the visibility attribute do not honor it. A Customization set up like the below, for instance, will not honor the Visibility in red d ...
Foot Placement tries to step on vertical surfaces
UE - Anim - Gameplay - Oct 31, 2023From a community member: Are you responsible also for the FootPlacement node? Its fantastic, but there is a possible bug with the walkable surface handling. It tries to step even on vertical surfac ...
GAS: Ability that destroys owning actor on activate causes crashes due to ABILITYLIST_SCOPE_LOCK
UE - Gameplay - Gameplay Ability System - Oct 31, 2023A GameplayAbility that destroys its owning actor inside ActivateAbility() causes a crash, because actor destruction will modify the ability list but ActivateAbility() is called within an ABILITYLIST ...