Unreal Engine Issues
Unreal Engine Issues
Unable to change Actor Coloration View Modes in PIE
UE - World Creation - Worldbuilding Tools - Jul 20, 2025When in PIE changing Actor Coloration view modes from the viewport visualisation mode [Liit] -> [Actor Coloration] -> ... Does not update correctly when switching view mode and sometimes isn't corr ...
UE4 Crashes if multiple Vive Trackers or Lighthouses are used
UE - Platform - XR - Jan 24, 2018User reports that if more than 5 trackers are connected, UE4 crashes Suggested fix: Root cause of bug is related to the fact that UE has no setup to receive input events from Vive Trackers. (we ha ...
Reimported mesh doesn't remove unused material slot
Tools - Jun 8, 2018Only once operation of Reimport could provide correct updated material slots ...
Search Field within Blueprint Graphs lose focus after Right-Clicking on Mac and Linux
UE - Platform - Apple - Apr 3, 2016The search field within blueprints loses focus after right-clicking in an empty space in the graphs. I checked to make sure this was not a universal issue, and it is indeed platform specific with t ...
UE5.4 Preview 1 produces rendering artifacts on Landscape with World Position Offset
UE - Graphics Tools - Terrain - Landscape - Mar 28, 2024A material on a landscape with WPO will cause major ghosting, even if that WPO is a dynamic {0,0,0} ,such as from a black texture. ...
Struct Default Values not registering in user generated structs
UE - Gameplay - Blueprint - Jun 15, 2016Arrays of structs do not register default values when the array is resized. Regression (no) issue (does) occur in 4.11.2 ...
Procedural Mesh Component 'Create StaticMesh' does not preserve collision
UE - LD & Modeling - Modeling Tools - Mesh Editing - Nov 5, 2019Creating a static mesh from a procedural mesh does not preserve simple collision or collision settings. ...
Broken assignation of materials when merging meshes
UE - LD & Modeling - Modeling Tools - Mesh Editing - Jul 18, 2019See the following UDN for a good visual explanation of the bug: https://udn.unrealengine.com/questions/512811/view.html Seems like this was introduced around CL 5639656. ...
ResetToDefault() incorrect behavior with multiple components selected with different defaults
UE - Framework - Blueprint Editor - Oct 2, 2023In the blueprint editor when selecting multiple components and resetting a property that exists on both components to its default value, when the components had different default values the editor r ...
Ctrl+Dragging multiple pins at once will sometimes drop pins
UE - Gameplay - Blueprint - Oct 7, 2016Ctrl+Dragging multiple pins at once will sometimes drop pins This is a regression. The same setup was working in 4.12.5, but isn't working in 4.13.1 & Main (4.14) User Description: Blueprint conn ...