Unreal Engine Issues
Unreal Engine Issues
Hot Reload wipes all elements of UProperty TArrays in Blueprint subclasses
UE - Foundation - Cpp Tools - Hot Reload - Dec 5, 2017Hot reloading a change that affects a class that contains a TArray UProperty will wipe all of the array elements of any Blueprint subclasses of that class. Regression?: Yes This does not occur in 4 ...
Expandable Area does not respect scrollbox boundaries unless set to fill
UE - Editor - UI Systems - Dec 13, 2017There is an issue where Expandable Area does not respect scrollbox boundaries unless set to fill. This occurs when the scrollbox is a child of another component. This issue does not appear to be a r ...
Points on a FRuntimeFloatCurve in an instance of a Blueprint that inherits the curve from its parent are reset when reloading the level it is in.
UE - Gameplay - Dec 14, 2017In this situation, a FRuntimeFloatCurve UPROPERTY is stored in an Actor Component called CurveComponent. A Blueprint of MyActor (A subclass of AActor) is created and the CurveComponent is added to t ...
Compile warning/error in the FUpdateCollisionResponseHelper destructor
UE - Simulation - Physics - Dec 15, 2017It has been reported that when building with Visual Studio 2017 version 15.5.1, a warning/compile error is shown in BodyInstanceCustomization.cpp: warning C4287: '<': unsigned/negative constant mism ...
Calling RegisterComponent in the PreInitializeComponents of an Actor will cause child components of its components to not be initialized
UE - Gameplay - Dec 15, 2017Calling RegisterComponent in the PreInitializeComponents of an Actor will cause child components of its components to be ignored because the Actor is still being initialized. My understanding is tha ...
FApp::IsUnattended checks are missing when a message box is displayed because serialization has gone out of bounds
UE - Foundation - Core - Jan 2, 2018In cases where serialization goes out of bounds, there is no check to see if the app is running in unattended mode before the message box is displayed. If the app is running unattended, such as on a ...
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 ...
Cannot uncheck "Support armv7" setting in the project settings without first enabling "Support armv64"
UE - Platform - Mobile - Jan 4, 2018The editor silently ignores in put from the user when trying to uncheck the setting "Support armv7" (when this setting is the only one checked between the options of support armv7 and support armv64 ...
AIPerception components inherited from a native parent class do not expose the DetectionByAffiliation field on senses for editing in the Blueprint editor's Details view.
UE - Gameplay - Blueprint - Dec 15, 2017The "Detection by Affiliation" field cannot be edited in the Blueprint editor's Details view for an inherited AIPerception component in the "Senses Config" array if the AIPerception component is inh ...
Client move combining triggers repeated overlap start/end events on network client
UE - Gameplay - Player Movement - Jan 2, 2018This is caused by client move combining warping the player back and replaying the move. Workaround is to set "p.NetEnableMoveCombining 0" but that is bad for network bandwidth. We should probably ...