Unreal Engine Issues
Unreal Engine Issues
Assert when creating new landscape
UE - Graphics Tools - Terrain - Landscape - Jun 16, 2023Generated from CrashReporter ...
Widget defaults not updated when modified on a base widget class via the hierarchy
UE - Editor - UI Systems - UMG - May 3, 2023A licensee has reported an inconsistency in how modified base widget class defaults are propagated to children. When modified via the UMG Designer Graph's Class Defaults, derived classes will be mar ...
Actor corruption due to Hierarchy broken after load
UE - World Creation - Worldbuilding Tools - World Partition - Apr 25, 2023We recently hit a situation where some actors would suddenly teleport across the map when they were modified in the editor. We figured out that the AttachParent of some actors got reset on editor l ...
Editor becomes unresponsive/freezes when a Geometry Collection is destroyed by a Hit Event while simulating
UE - Runtime - Simulation - Apr 19, 2023This is a regression. Tested in //UE5/Release-5.1 CL23901901 When a geometry collection is destroyed by an On Hit event the editor becomes unresponsive and never recovers. No crash is generated. ...
Reference to control rig can be lost on actors with multiple skeletal mesh components
UE - Anim - Rigging - Control Rig - Apr 4, 2023In the attached project, when we initially add a control rig track for the actor with multiple skeletal mesh components, we add the control rig for the correct component because FControlRigParameter ...
Math expression nodes should use CommutativeAssociativeBinaryOperator when applicable
UE - Framework - Blueprint Compiler - Mar 27, 2023Read-only nodes used in math expression should use CommutativeAssociativeBinaryOperator when appropriate. Even though these nodes can't be modified, there is the occasional need to copy these nodes ...
OSS Null won't find multiple LAN sessions hosted by a single instance
UE - Online - Feb 22, 2023This happens because of how FLANSession::Tick will handle receiving multiple response packets from a single host. FLANSession will cache the ResponseGuids of any incoming host response packets, so i ...
AnimDrawDebug does not work if using RootMotion from Everything
UE - Anim - Gameplay - Feb 14, 2023Debug drawing with AnimDarwDebug~ does not work when RootMotionMode is set to "RootMotion from Everything". In addition, the same issue occurs when MultiThread of Animation is turned off. Licensee ...
Build geometry removes spline component visibility
UE - Framework - Components - Jan 23, 2023A spline component will become invisible after building geometry with the spline actor in the level. This issue is occurring in //UE5/Release-5.1 @ Binary CL 23058290 This issue is NOT occurring ...
Navmesh rebuild always occurs on Startup map immediately after starting editor
UE - AI - Navigation - Nov 22, 2022Whenever launching the UE5 Editor, it rebuilds the navmesh on the first map it opens. Reopening the same map again will not cause the navmesh to be rebuilt. It seems that the first time the map is o ...