Unreal Engine Issues
Unreal Engine Issues
20 FPS performance drop between 4.7.6 and 4.8 on devices rendering Metal only
UE - Platform - Mobile - Jun 22, 2015User reported a considerable performance drop on iOS between versions 4.7.6 and 4.8. I was able to reproduce this perf drop using the steps he provided. ...
3D widgets for Vectors now scale along with the root component of the actor that they are apart of
UE - Gameplay - Blueprint - Jun 15, 2015The 3DWidget that is used to represent a vectors position in 3D space now scales when scaling the actor that it is attached to. This could lead to having a vector that is too small to see/ hard to f ...
Convert Actor option is grayed out and not selectable. (ConversionRoot metadata not found)
UE - Foundation - Core - Jun 4, 2015The 'Convert Actor' option in the details tab of brushes does not function. The option is grayed out and not selectable. Note for Core: This button works by looking for the ConversionRoot UCLASS m ...
DrawDebugSphere & DrawDebugAltCone deref nullptr if used in constructors
UE - Graphics Features - May 2, 2016\Engine\Source\Runtime\Engine\Private\DrawDebugHelpers.cpp DrawDebugSphere and DrawDebugAltCone both try to dereference variable 'LineBatcher' without checking for null, as the other DrawDebug func ...
FXmlFile asserts on valid empty XML documents
Tools - May 5, 2016Code asserts because it assumes that a self closing node is within another node or has another node left in the doc to parse ...
BP - Invalid component variable reference 'Access None' spam in a dedicated server build if the component class returns 'false' for NeedsLoadForServer().
UE - Gameplay - Components - May 10, 2016If a component class returns 'false' for NeedsLoadForServer(), then variables will not be included in the class in a cooked/packaged dedicated server build, and thus any variable references in scrip ...
UFUNCTION in a derived class with a different signature will cause a crash when called
UE - Foundation - Core - May 12, 2016Reported by AnswerHub user. UHT should block UFUNCTIONs which hide other UFUNCTIONs with the same name but different signature. ...
Crash on aborting main task of behavior tree's parallel node
UE - AI - Jun 12, 2015It seems that we're getting an intermittent crash when killing a pawn that's executing a parallel node. It's crashing in BehaviourTree.cpp on this code: UpdateInstance.ParallelTasks[ParallelTaskId ...
Crash when Scrubbing Matinee Slider with Sound Wave using Subtitles
Tools - Jun 11, 2015A crash occurs when scrubbing the matinee slider with a 'Sound Wave' that has 'Subtitles' enabled. You need to enable 'Subtitles' within the settings of the asset. Tested issue in 4.7.6 and did no ...
DynamicModifiersOnly navmesh generation mode doesn't work
UE - AI - Jun 22, 2015When project is set up for Dynamic Modifiers Only navmesh generation the pathfinding simply doesn't work (due to missing navmesh). It does get generated properly in the editor, but is no longer ther ...