Unreal Engine Issues
Unreal Engine Issues
Mover Plugin: UNavMoverComponent::GetFeetLocationBased() returns incorrect FBasedPosition when using WalkingMode over a Movable floor, making UPathFollowingComponent erroneously detect a blocked move
UE - Gameplay - Player Movement - Mover - Nov 12, 2025Function UNavMoverComponent::GetFeetLocationBased() on file "NavMoverComponent.cpp" returns an FBasedPosition built from an FRelativeBaseInfo. The "MovementBaseInfo" is read from key "CommonBlackboa ...
CreatePatchLibrary is broken
UE - Rendering - Architecture - Shaders - Nov 12, 2025It seems the FEditorShaderCodeArchive.LoadExistingShaderCodeLibrary missed some functions, use FEditorShaderCodeArchive.AddShaderCodeLibraryFromDirectory instead could fix the issue. ...
"Visualize Level Instance Editing" defaults to on, during sequencer playback (for sequences withing a level instance)
UE - Anim - Sequencer - Nov 7, 2025Version: Main branch 46320669; 5.7 Preview Epic Launcher pre-built; Issue: Playing a <sequence> that is withing a <level instance> turns back on gray <level instance editing> visualizing shader e ...
Landscape Splines in Partially Loaded World Partition Levels Can Cause Nanite Landscape Invalidation
UE - Graphics Tools - Terrain - Nov 7, 2025Certain placements of landscape splines in world partition levels can cause Nanite landscape proxies to invalidate, and switch back to their non-nanite version. This happens when specific regions of ...
Sequencer Crash when Hovering over Binding Properties on a Component with Spaces in its Name
UE - Anim - Sequencer - Nov 7, 2025Crash when binding to new components that have spaces in their name and you attempt to access their bindings. ...
Outliner eye toggle fails to hide static meshes when Affect Indirect Lighting While Hidden is enabled
UE - Rendering - Architecture - Nov 5, 2025When a static mesh has the property Affect Indirect Lighting While Hidden enabled, toggling its visibility via the Outliner eye icon does not hide the mesh in the editor viewport. The actor remains ...
Crash when compiling Blueprint Function containing a connected Set Variable node for a local variable named after a replicated Actor property
UE - Framework - Blueprint - Nov 5, 2025Creating a local variable inside a Blueprint Function with the same name as a replicated property of AActor (for example, “Role” or “RemoteRole”) and then using a connected Set Variable node for it ...
UMG: RetainerBox with zero-size child returns incorrect LayerId on OnPaint()
UE - Editor - UI Systems - Nov 4, 2025When a RetainerBox contains a child that for some reason has a desired size of zero, its OnPaint() method can incorrectly return LayerId 0. Afterwards, widgets further down the hierarchy can base th ...
[PCG] Undoing the deletion of a pcg actor removes the Instance Category from the pcg component, specifically no graph parameter can be seen.
UE - World Creation - Procedural Tools - PCG Component - Oct 31, 2025Context: PCGComponents on actors contains a category "Instance" that allows the user to connect a PCG Graph of their choosing to the PCGComponent which allows the Procedural Node Graph to sample the ...
Virtual Texture Collection Indexing Not Working
UE - Rendering - Architecture - RHI - Oct 30, 2025Textures at an index, other than 0, cannot be sampled from a Virtual Texture Collection in a material. When using the Texture Collection and Texture Object From Collection material nodes, with a Vir ...