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 ...
Increment and decrement nodes return the incorrect value
UE - Gameplay - Blueprint - Jun 23, 2015Increment and decrement nodes return the incorrect value User Description: Getting the result of the Increment Macro seems to be incrementing the variable twice. Very confusing. Is this normal? ...
Event not saved correctly when duplicating Level Sequence
UE - Anim - Sequencer - Nov 21, 2019This issue is similar to [Link Removed]. But I tested the shelve 10164190 mentioned in the comments. It didn't work. ...
When a Niagara System has SimTarget set to GPUCompute Sim, CameraQuery is only returning data from the Player0 camera, ignoring the PlayerControllerIndex.
UE - Niagara - Nov 8, 2024When a Niagara System has SimTarget set to GPUCompute Sim, CameraQuery is only returning data from the Player0 camera, regardless of PlayerControllerIndex. The expected behavior would be to have the ...
Contact shadows bug in splitscreen
UE - Graphics Features - Dec 11, 2024Screen Space shadows do not check the view boundary. This can cause extra shadows in split screen, as one view can cast shadows in another view. ...
UDIM textures have default Tiling Method set to Wrap but causes incorrect filtering on edges.
UE - World Creation - Worldbuilding Tools - World Composition - Mar 6, 2020UDIM textures have default Tiling Method set to Wrap but causes incorrect filtering on edges. It should be set to Clamp or Mirror by default. ...
Loading a blueprint that uses the GetOptions meta data causes an ensure
UE - Gameplay - May 6, 2020Loading a blueprint that uses the GetOptions meta data causes an ensure ...
Overriding a subobject's class in a native base class can lead to that component being null in derived Blueprints (FObjectInitializer::SetDefaultSubobjectClass)
UE - Framework - Blueprint Compiler - Jun 10, 2021Overriding a subobject's class in a native base class can lead to that component being null in derived Blueprints. ...
SpringArmComponent with "Use Camera Lag Substepping" does not handle fluctuating frame rates correctly
UE - Gameplay - Jun 4, 2024The description of SpringArmComponent's "Use Camera Lag Substepping" option says "sub-step camera damping so that it handles fluctuating frame rates well". However, as noted and explained by a licen ...
Calling SetupAttachment/AttachToComponent with 'this' as the parent inside a USceneComponent subtype's C++ ctor for nested component subobjects will result in all instances of the nested default subobject trying to attach to the CDO at registration time.
UE - Gameplay - Nov 16, 2016This occurs because the 'AttachParent' property is a UPROPERTY, and as a result when we create a new instance of a USceneComponent subtype, any USceneComponent subtypes it owns are treated as instan ...