Unreal Engine Issues
Unreal Engine Issues
Unable to set a BP component field with WithIdenticalViaEquality
UE - Gameplay - Components - Sep 29, 2023There's some quirky behavior occurring with the component's CDO when we change a value that isn't compared by the native code's equality operator. It only seems to commit when we first change anothe ...
zorder of Webbrowser in Mobile device is not same as in the PC
UE - Platform - Mobile - Jul 23, 2018Webbrowser in Mobile devices gets most higher zorder in UMG. This is, as I belive, expected since it is running in native functions. But to meet behaviors in PC, making it to follow given zorder see ...
Bug when loading an external project that also exists in the uprojectdirs
UE - Foundation - Cpp Tools - Apr 8, 2025When launching the editor for the "external\foreign" project, the code in GetEngineAndProjectAbsoluteDirsFromExecutable ends up superseding the path returned from {{FPlatformMisc::ProjectDir() }} wi ...
Servers are not visible to clients in ShooterGame with LAN off
UE - Networking - Jan 17, 2017Server are not visible to clients in ShooterGame when the LAN is set to off. This occurs on all native platforms when trying to connect to each other when the LAN is off. REGRESSION: Yes Worked: 4 ...
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 ...