Unreal Engine Issues
Unreal Engine Issues
BP - Nativized builds will incur data loss in a Blueprint class that contains more than one ChildActor component and for which each had its child actor class set in the Details tab before being renamed away from "ChildActor" in the component editor tree.
UE - Gameplay - Blueprint - Jan 27, 2020Child actor component templates, when nativized, end up being owned by the converted Blueprint class object, rather than the child actor component template. Furthermore, we don't regenerate the chil ...
BP - Nativized build will crash at runtime if a non-nativized child that inherits from a nativized parent containing a ChildActorComponent sets the CAC class to a non-nativized child of a nativized BP class.
UE - Gameplay - Blueprint - Jan 26, 2020Current workaround: Add a dummy variable to either BP_Owner_Child or BP_CAC_Child to force one of the two to be nativized. ...
Nativized UMG widgets with animation tracks can sometimes assert with async loading enabled.
UE - Gameplay - Blueprint - Jan 18, 2020The incorrect use of NewObject() to instance nested class-owned subobjects will force StaticAllocateObject() to reconstruct the instance that was already constructed by the outer class ctor in nativ ...
UE4 viewport stutters when zoom in to closest point
Tools - Jan 17, 2020When zooming in as much as possible in UE4's viewport, I notice a strange stutter almost as if the viewport is hitting a limit. Please watch the attached screencapture. [Link Removed] ...
The vertex color view mode in the vertex painting editor mode ceases to work when the project setting "Extend default luminance range in auto exposure settings" is enabled.
UE - Graphics Features - Dec 31, 2019When "Extend default luminance range in auto exposure settings" is enabled, the Color View Mode in the vertex painting editor mode ceases to work and without any warning to the user. ...
Sequencer evaluation can skip events due to gaps in frame number ranges
UE - Anim - Sequencer - Dec 18, 2019Sequencer rounds when converting time ranges to frame number ranges, which can cause one frame gaps. If an event falls on that gap, it will not be triggered. ...
Morph target LOD over 0 not worrking with GPU skin
UE - Rendering Architecture - RHI - Dec 17, 2019I do not know what happen here and I need the help of the rendering team to debug this issue. There is no log at all even with -d3debug If you import the file SK_LOD_Morph_Working.fbx its a similar ...
UAIPerceptionSystem::Tick() has a chance of not being called after level reloading
UE - AI - Dec 16, 2019UAIPerceptionSystem::Tick() is not called after level reloading. When Debugging, UAIPerceptionSystem::CurrentTime is always 0, and UAIPerceptionSystem::SourcesToRegister always contains sources to ...
Character Movement Mode in Water Volume is affecting all clients
UE - Gameplay - Player Movement - Dec 16, 2019Strange behavior concerning Character Movement Network Replication and a Water Physics Volume. Upon entering water volume, Character Movement mode is set to swimming, however if more than one clien ...
Mentioning "_Validate" suffix in code comments to function names causes Compiler error
UE - Foundation - Cpp Tools - UnrealHeaderTool - Dec 13, 2019When mentioning the _Validate Suffix in code comment, Visual Studio compiler throws an error. ...