Unreal Engine Issues
Unreal Engine Issues
AI Pawn Sensing component cannot see and hear at the same time
UE - AI - Mar 12, 2015Hear events are never fired while See events are fired. They are mutually exclusive, with See events taking priority if both happen. ...
Cursor Overlap events don't work on characters
UE - Gameplay - Sep 4, 2015Setting up mouse over events for a character do not trigger. ...
Editing a blueprint from a hidden streamed level can reset all actor transforms
UE - Gameplay - Blueprint - Jul 9, 2015When editing an actor blueprint that's inside of a hidden streamed level, the blueprint actor transform will reset to 0,0,0. There is a video that's attached to the AnswerHub post which is very use ...
Planar Reflections distorted if Separate Translucency Screen Percentage less than 100%
UE - Graphics Features - Aug 19, 2020Planar reflections with any value lower than 100 for SeparateTranslucencyScreenPercentage are skewed/distorted when moving the camera, not representing the correct image when the value is 100. ...
LevelEditor: "Replace Actor" marks level as dirty even when using external actors
UE - World Creation - Worldbuilding Tools - Jul 15, 2024When using external actors, adding/removing/replacing/editing an actor instance inside a level does not cause any modification to the Level package, which helps reduce contention for the map file on ...
ISM + WPO = broken motion vectors?
UE - Graphics Features - Nov 5, 2024Instanced Static Meshes will have incorrect velocity if a Material uses World Position Offset. Fixed WPO in a material causes significant velocity on the ISM. This was also replicated in //UE5/Rele ...
Geometry Collection's Chaos Cache Static Pose Scrubbing broken in 5.6 due to Custom Renderer GeometryCollectionRootProxyRenderer
UE - Simulation - Physics - Destruction - Aug 26, 2025Geometry Collection's Chaos Cache Static Pose Scrubbing broken in 5.6 due to Custom Renderer GeometryCollectionRootProxyRenderer. The licensee has provided his analysis: In 5.6, when creating a Geo ...
ForEachLoop does not save structure changes in the loop body
UE - Gameplay - Blueprint - Feb 2, 2015If a ForEachLoop node is used to cycle through an Array of Structures, using the Array Element output of the Loop node to set the members of the structure does not save the changed values. Workarou ...
Camera jitter when using Crane Rig with Look At
UE - Anim - Sequencer - Jul 21, 2016Camera jitter when using Crane Rig with a Cine Camera that is using the Look At Functionality ...
[CrashReport] UE4Editor_Slate!TAttribute<FText>::Get() [attribute.h:130]
UE - Editor - UI Systems - Slate - Jul 13, 2017This is a common crash affecting users in 4.16 User DescriptionsI imported an FBX and the editor crashed.alembic import from brekelwhats wrong with the ue4 alembic importer? Source Context 120 ...