Unreal Engine Issues
Unreal Engine Issues
Reimporting of skeletal mesh results in a scrambled skeletal mesh
UE - Editor - Content Pipeline - Import and Export - Oct 17, 2025When we reimport our skeletal meshes with updated FBXs, the resulting skeletal mesh is scrambled up. See Scrambled.jpg attached. This does not affect every single reimport but happens randomly. W ...
Macros from temporary diff blueprints can be placed and corrupt blueprint
UE - Gameplay - Blueprint - Feb 1, 2021Following the repro, a temporary copy of a BP Macro library is loaded into memory. When you right click to place a node, it incorrectly lists macros defined in this temporary library. They are fully ...
Browsing to a "Packaged Level Actor" does not take to the PackagedLevelActor inside the Content Browser.
UE - Editor - Content Pipeline - Jan 8, 2025There is a bug inside Unreal Editor when selecting "Browse to Asset" for a Packed Level Actor. Right clicking the Packed Level Actor, all the asset options appear. If you click the "Browse to Asse ...
KiteDemo: DestroyActor Warning when Saving - Height_x3_y2_C_1
UE - World Creation - Worldbuilding Tools - World Composition - May 4, 2017While testing in KiteDemo - //UE4/Release-4.16 CL 3420042 in Binary – When the editor autosaved I noticed a warning occurred in the output log. – Issue occurs during any Save operation. User can use ...
DisplayName Metadata tag is not used in the SCS editor or the My Blueprints window
UE - Gameplay - Blueprint Editor - Nov 12, 2020This also brings up a good point about how `FName::NameToDisplayString` works. Currently it will only remove a 'b' character if a boolean is given, which leads to inconsistent results throughout the ...
Get mouse X/ Get mouse Y returns zero after the user clicks the screen and mouse is shown
Tools - Mar 28, 2016If the user has set show mouse set to true and clicks the screen the Get mouse x and Get mouse Y will no longer return anything other than 0.0 Additional notes: This does not appear to be a regress ...
Input Axis Continues to Fire After Standalone Window Loses Focus
UE - Editor - UI Systems - Slate - Feb 17, 2016When using an input axis for a task such as moving a character, losing focus on the standalone window while holding the key does not stop the axis from firing, which means the character will continu ...
Inconsistent results when creating a Blueprint from a custom User Widget code class
UE - Editor - UI Systems - Jan 19, 2017Depending on how a Blueprint is created from a custom User Widget code class, the resulting Blueprint may not be a Widget Blueprint as expected. Right-clicking on the code class in the Content Brows ...
Memory leaks at changing lighting scenarios
UE - Rendering Architecture - RHI - Aug 26, 2020The engine does not free the LevelRenderAssetManagers array elements in FRenderAssetStreamingManager when changing lighting scenarios. Following code can avoid this issue. void FRenderAssetStre ...
Materials Added to an FBX Will Not Be Added When Reimporting
Tools - Oct 25, 2018Adding a material to an FBX with a Multi/Sub-object material, then reimporting the FBX will not import the new material. The material element will be added to the mesh but the material applied will ...