Unreal Engine Issues
Unreal Engine Issues
Blueprint Config Variables Not Being Set in Game Instance Classes
UE - Gameplay - Blueprint - Apr 11, 2017Blueprint config variables in Game Instance classes do not appear to be set properly. This is unexpected behavior, as setting up a config variable in a native C++ Game Instance class works as expect ...
Casting to ActorComponentOwner inside of nested Inline instanciated Blueprints owned by ActorComponentOwner disappear after Editor restart.
UE - Gameplay - Blueprint - May 15, 2018A set of objects which can be instantiated Inline in the Editor that contain an array of References to their children that have nested Blueprint objects inheriting from a Native Base Class can cause ...
UMG property binding fixup for real numbers doesn't always work
UE - Editor - UI Systems - UMG - Apr 5, 2022For UMG delegates, we currently have a fixup pass that ensures that bound functions match the signature of the native delegate. However, the fixup appears to use the wrong function name, which cause ...
Crash using Oculus Hand Component
UE - Platform - XR - Apr 29, 2022Using the Oculus Hand component in a blueprint pawn will cause the engine to crash. This occurs using the Native OpenXR with Oculus Vendor Extensions in the XR API. If the user switches to Legacy Oc ...
No warnings or errors if a UEnum has Bitflags metadata, but no Flags flag.
UE - Framework - Blueprint Compiler - Jan 29, 2025The problem here isn't obvious: the native enum, EAnotherEnum, is missing the Flags flag for the UEnum. As a result, K2Node_GetEnumeratorNameAsString returns the max enum when it gets a combined fla ...
Deferring Blueprint CDO construction at load time is leading to some data loss.
UE - Gameplay - Blueprint - Jan 27, 2023Various licensees are reporting data loss on load due to the change that was made for [Link Removed] in which we now defer Blueprint CDO construction on load until the finalization phase. This issu ...
Core Class Redirect doesn't work when converting from a C++ class to a BP
UE - CoreTech - Jul 16, 2020The Export map will properly be updated but the creation of the import will fail with SourceIndex == INDEX_NONE From MarcA: I'm guessing the import source index is always none for native classe ...
Re-Importing a Static Mesh Removes All Sockets
Tools - Mar 9, 2017Re-importing a static mesh results in all currently applied sockets being removed from the static mesh in the Editor. Workaround: Setting the sockets up in the Native 3D editing software followin ...
Display Blueprint Added Components on subobjects with meta = (ShowInnerProperties)
UE - Gameplay - Blueprint Editor - Sep 28, 2021Right now only native subobjects are displayed in the details panel with meta = (ShowInnerProperties) is set. Child Actor Components are an example of this, where if the child actor you have added h ...
Compile on load crashes for classes within an abstract class
UE - Gameplay - Blueprint Compiler - Feb 20, 2021When compiling on load in -game, a blueprint class that inherits from a native class that is marked within and the class that it is within is abstract, a crash will occur when FBlueprintCompilationM ...