Unreal Engine Issues
Unreal Engine Issues
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. ...
Sub Instance Root Motion issues
OLD - Anim - Dec 10, 2019Using multiple Sub instances with root motion does not behave as expected. With both the parent and sub instances set to 'Root Motion from Everything': In 4.22, too much root motion occurs. In ...
Grandchild actor with IsEditorOnly enabled is duplicated during save the level.
UE - Gameplay - Components - Dec 6, 2019IsEditorOnly is not reflected in grandchild actor when parent/child/grandchild are constructed with ChildActorComponent. This causes the issue that actor will increase incorrect when save the level. ...