Unreal Engine Issues
Unreal Engine Issues
FBlueprintCompileReinstancer::ReplaceInstancesOfClass_Inner() can fail to resolve reinstanced archetypes.
UE - Foundation - Cpp Tools - Hot Reload - Mar 8, 2017From UDN. This is a hotreload bug - even though it uses FBlueprintCompileReinstancer. ...
Crash on map reload when blutility is using Get Selection Set
UE - Gameplay - Blueprint - May 24, 2017Editor crashes on map reload, if an actor in the level is accessed by blutility get selection set. ...
Slowly flickering display in GearVR
UE - Platform - XR - Jul 12, 2017The appears repeatedly in the log:[2017.07.12-14.57.06:022][ 4]LogHMD: Initializing OVRPlugin session [2017.07.12-14.57.06:652][ 4]LogHMD: Setting user focus to game viewport since session status ...
[CrashReport] Linux crash - /usr/lib64/opengl/nvidia/lib/libGLX_nvidia.so.0
UE - Platform - Linux - Jul 20, 2017This is a common Linux crash that has occurred since at least 4.14. ...
VR PIE with Oculus - Editor Hangs on Level Load (on 2nd+ Launch)
UE - Platform - XR - Feb 9, 2018Loading a map while in VR PIE hangs on 2nd+ play Does not occur when Oculus plugin is disabled. Does not occur in packaged project. A nonVR PIE will reset this behavior. Additional info from use ...
Crash When Toggling Visibility of Level with Planar Reflection
UE - LD & Modeling - Terrain - Landscape - Mar 26, 2018This crash occurs in 4.19 and 4.20 but not 4.18. Repro'd in 4.19.0-3944462 and 4.20.0-3955769 and 3964322. This is a regression. Per UDN licensee: When I'm showing/hiding levels in editor (in le ...
Navmesh generation doesn't work with Retopologize tool
UE - AI - May 15, 2018When a Landscape is edited with the Retopologize tool, Dynamic Navmesh is no longer generated. This was also tested with Static Navmesh and yielded the same results. ...
When changing a variable of a component in an attached Actor, the variable becomes read-only
UE - Gameplay - Aug 1, 2018Changing a variable of a component with an instance of BP derived from StaticMeshActor or SkeletalMeshActor attached to another actor will cause that variable to be read-only. It did not reproduce w ...
CreateProxyObjectForPlayMontage does not report if cannot play
UE - Anim - Rigging - Nov 15, 2018UPlayMontageCallbackProxy::CreateProxyObjectForPlayMontage creates a proxy object and immediately calls PlayMontage. If the montage fails to play (no mesh component, no animinstance, Montage_Play it ...
Niagara Ribbons using Two Sided materials are incorrectly lit
UE - Niagara - Apr 15, 2019Two Sided materials are lit incorrectly on Niagara ribbons. The sides will be flipped of how they should be. ...