Unreal Engine Issues
Unreal Engine Issues
MaterialInstanceConstant doesn't refresh soft references of non-overridden texture parameter
UE - Graphics Features - Aug 22, 2022Observed by a licensee: [Link Removed] When a material instance points to a material, and the material is edited to change a texture and the material and material instance are saved, the material i ...
MakeArray wildcard node gives a compilation error when being used in a Blueprint Macro.
UE - Framework - Blueprint - Dec 19, 2024There is an error with the SmartMacroInterface, where you can't use an empty wildcard "Make Array" node. This error makes the blueprint not compile and the macro unusable. Disabling the bUseSimpleWi ...
Unable to scroll in Structure property window
Tools - Nov 16, 2016When enough variables are added to a structure to cause the list to be too long for the window, a scroll bar should appear and you should be able to scroll through them. This does not occur. Regres ...
[CrashReport] UE4Editor_VisualStudioSourceCodeAccess!TComPtr<IDispatch>::operator->() [compointer.h:107]
Tools - Mar 27, 2017*This Jira was created from CrashReports submitted by the public due to the high number of occurrences. Descriptions from users are provided below. Error message: Assertion failed: RawPointer != n ...
FBX Camera Import into Sequencer - Scale Does Not Apply to Scene-Dependent Attributes (e.g., Focus Distance)
UE - Anim - Sequencer - May 1, 2025When importing an FBX camera into a Level Sequence via the FBX Import dialog, we rely heavily on the Import Uniform Scale and Convert Scene Unit options for DCC interoperability. These settings ...
DeprojectScreenPositionToWorld has inaccurate behavior in VR
UE - Platform - XR - May 6, 2015Calling DeprojectScreenPositionToWorld while in VR mode does not project from the center of the Oculus view. Using the results of the call with a line trace will show the line coming off center fro ...
OnKeyDown does not function in packaged game
UE - Editor - UI Systems - Jul 17, 2015Pressing down a key for a widget blueprint works in PIE however, it's not functioning once the project is packaged. Project Rar File: [Link Removed] ...
Engine Plugins are failing to be created
UE - Foundation - Cpp Tools - UnrealBuildTool - Apr 19, 2017Engine plugins are not being successfully created. Output log reads that the Path QAGame/Plugins cannot be found leading me to believe that it is not creating the Plugins folder for the project. N ...
UnkownRef Mips can cause TextureStreaming peaks during loading
UE - Graphics Features - Mar 27, 2023UnkownRef Mips is meant to fix/workaround the problem where some textures are used for rendering but they don't have any component references them (such as texture used by PP effects) These UnkownR ...
Importing static mesh while a PIE session is running permanently breaks nanite on the asset
UE - Editor - Content Pipeline - Import and Export - Mar 12, 2025Importing a Static Mesh during PIE can cause it to never enable Nanite, even if it reports that Nanite is enabled. To re-enable Nanite on the mesh, the asset needs to be deleted and imported again ...