Unreal Engine Issues
Unreal Engine Issues
Duplicating a blueprint that implements an interface and then removing that interface will cause compile errors that don't occur if the interface was removed from the original BP
UE - Gameplay - Blueprint Editor - Aug 1, 2020See steps to reproduce. Looks like the fixup when saying Yes to "Would you like to transfer the interface functions to be part of your blueprint" doesn't work correctly on the duplicated BP. Inter ...
Bloated instruction counts in the material editor causing long compiles
UE - Graphics Features - Apr 17, 2019artists are dealing with greatly increased iteration times due to long shader compiles when working in the material editor. This has regressed over time as we add more features to the point were wor ...
Calling DiscardPlayerInput() does not appear to actually discard the player's input
UE - Gameplay - Jun 19, 2018Calling DiscardPlayerInput() does not appear to actually discard the player input. The comment for the function indicates that input will be consumed and discarded without doing anything with it. Ho ...
BP structures added as local variables do not retain default values
UE - Gameplay - Blueprint - Jul 31, 2015Adding a BP structure as a local variable to a function in a UMG widget graph will display the correct default values in the editor, but zero out to per-element defaults at run time. Update: Other ...
Adding OnClicked to SButton in Editor Mode plugin crashes editor when accessing the plugin
UE - Foundation - Cpp Tools - Plugin System - Mar 16, 2016If a new editor plugin has a button added with OnClicked functionality, the editor will crash immediately when accessing the plugin. Removing the OnClicked portion of code allows the plugin to be a ...
Atmospheric Fog Sun Disc Has Wrong Intensity
UE - Graphics Features - May 4, 2018This behavior has been observed in 4.18.3, 4.19.2, and Main (CL 4048405). Note that adding BP_Sky_Sphere to the scene and assigning the Directional Light Actor to it will fix the issue. Per User: ...
Atmospheric Fog Sun Disc Has Wrong Intensity
UE - Graphics Features - May 4, 2018This behavior has been observed in 4.18.3, 4.19.2, and Main (CL 4048405). Note that adding BP_Sky_Sphere to the scene and assigning the Directional Light Actor to it will fix the issue. Per User: ...
Unable to multiple a Vector2D with a float in Blueprints
UE - Gameplay - Blueprint - Apr 27, 2022Reported by licensee: [Link Removed] In UE4, we used Multiply_Vector2DFloat as the underlying function for this operation. In UE5, we're relying on promotable operators to the work. However, that o ...
Changing the mobility of an actor attached to a Skeletal Mesh in the level will change the mobility of the skeletal mesh
UE - Gameplay - Feb 16, 2016Items attached to the Skeletal Mesh in the World Outliner can alter the Mobility of the Skeletal Mesh. Licensee specifically does not want to have any automated changes to asset mobility to happen ...
Snapping Pivot to Vertices is Difficult using New Default Keyboard Shortcuts
Tools - Aug 6, 2015A licensee requested this ticket be entered as a bug report. The pivot vertex snapping functionality has changed and no longer functions as it did in prior versions of the engine. Somewhere the key ...