Unreal Engine Issues
Unreal Engine Issues
Crash importing FBX
UE - Editor - Content Pipeline - Import and Export - Jan 7, 2015User reporting as a 4.7 Bug, but no crash report for this bug available for 4.7. Same bug found reported for 4.6.1: Crash Report: [Link Removed] [Code] <unknown module>! KERNELBASE!RaiseExceptio ...
Initializing custom Component on Actor in constructor causes odd hierarchy and details panel issues
UE - Gameplay - Blueprint - Feb 19, 2019When testing with a simple setup, as follows: MySceneComponent has a UProperty(VisibleAnywhere, BlueprintReadOnly) of a USphereComponent pointer, initiated in the Constructor AMyActor has a UProper ...
Focus mode in the Editor does not handle Actors without PrimitiveComponent correctly, treating them as if they were at the origin (0,0,0), skewing the camera placement.
UE - World Creation - Worldbuilding Tools - Nov 18, 2024Focus mode in the Editor does not handle Actors without PrimitiveComponent correctly, treating them as if they were at the origin (0,0,0), skewing the camera placement. Some Actors like the WorldDat ...
UMG widget callbacks do not set PIE context in editor
UE - Editor - UI Systems - May 21, 2018This is from a UDN post. Several gameplay functions, such as level streaming and SoftObjectPtr resolution, depend on the GPlayInEditorID being set when that code is executed in PIE in the editor. T ...
Switch on custom enum causes compilation errors after Hot Reload
UE - Foundation - Core - Sep 28, 2015If the project is hot reloaded while a Switch on Enum is inside of a blueprint which is switching on a custom enum, the switch will become corrupted. It changes the 'selection' pin to take a Byte pa ...
The light in the Blueprint Editor's Preview Scene does not respond to any lighting channel but 0.
UE - Framework - Blueprint Editor - Jun 28, 2024In the Blueprint Editor, Primitive Components can be configured to respond to Lighting Channels 0, 1, and/or 2. However, if channel 0 is disabled (even with another one enabled), the Preview Actor's ...
Other components aren't ignored if 'Ignore Owning Actor' is enabled for a Radial Force component
UE - Gameplay - Jun 17, 2015Other components aren't ignored if 'Ignore Owning Actor' is enabled for a Radial Force component User Description: From 4.7 release notes; "New: Added 'Ignore Owning Actor' option to Radial Force ...
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 ...
DoDeferredRender will not UpdateBound correctly when NavigationCachedBoundsUpdated
UE - AI - Navigation - Dec 2, 2025With InstancedStaticMeshComponent, after calling AddInstance, an instance that’s far away gets culled because of additional logic that was added in 5.7 to This works correctly in 5.6 and the instanc ...
Getting a TextBlock variable from the Return Value of a Create Widget node inside a Player Controller will cancel all the nodes before it in Standalone
UE - Gameplay - Blueprint - May 15, 2015Getting a TextBlock variable from the Return Value of a Create Widget node inside a Player Controller will cancel all the nodes before it in Standalone. Does not occur in other PIE modes, and does n ...