Unreal Engine Issues
Unreal Engine Issues
Interface Message Nodes report an error if multiple inputs are connected to the Target pin.
UE - Gameplay - Blueprint Compiler - Feb 13, 2019Connecting multiple object pins as inputs to the Target input pin of an interface message node causes an error of the format:failed building connection with 'Replace existing input connections' Thi ...
Geometry Collection (GC) fragments are affecting the Navmesh in wrong positions
UE - Simulation - Physics - Destruction - Dec 6, 2024Geometry Collection (GC) fragments are affecting the Navmesh in wrong positions and the identified cause is wrong indexing. Once a GC breaks, it's fragments, when big enough, are creating islands in ...
Data loss when FPlane is implicitly converted to FVector4
UE - Foundation - Core - Jan 3, 2018The FSceneView::Deproject function calls FMatrix::TransformVector4 and passes an FPlane value. TransformVector4 takes in an FVector4 parameter, so the value being passed is implicitly converted to F ...
GetActorLocation and GetActorRotation have mixed up Tooltips
UE - Gameplay - Jun 4, 2018Within the declaration of the APlayerCameraManager class, the GetActorLocation and GetActorRotation functions have mixed up Tooltips Result: Tooltip says to use GetCameraRotation for the GetActorLo ...
World Context node returns inaccurately in PIE/Standalone
UE - Gameplay - Blueprint - Sep 11, 2017When a blueprint function library reaches a "World Context" node, the result returned by the node is invalid / null in Standalone mode. Additionally, the node will occasionally report as invalid in ...
Yellow 'reset to default' arrow will disappear if the Details panel scrolls it out of view
Tools - Jul 20, 2017Yellow 'reset to default' arrow will disappear if the Details panel scrolls it out of view. Aside from the Transform, this seems to happen for most values in the Details panel. User description: F ...
Split screen causes rendering issues with lightshafts
UE - Graphics Features - Feb 21, 2018There is an issue occurring where Split screen causes rendering issues with light shafts. This issue does not occur if you use the command " r.lightshaftquality 0" The issue no longer occurs. This i ...
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 ...