Unreal Engine Issues
Unreal Engine Issues
Event Graph 'Begin Overlap' event fires while not in Simulate or PIE
UE - Gameplay - Components - Feb 20, 2017Event Graph 'Begin Overlap' event fires while not in Simulate or PIE. It seems to somehow be linked to the components. If the actor contains a Box Collision component and either a Static Mesh comp ...
TextRenderComponents not parallel safe. Can cause crash
UE - Graphics Features - Feb 28, 2017Licensee has reported intermittent crashes when loading a map that contains Child Actors with Text Render Components. When the child actor blueprint is spawned all of the text render components st ...
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. ...
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. ...
UDistributionFloat member resets to null upon Blueprint Compile
UE - Gameplay - May 14, 2019A UDistributionFloat property is reset to NULL when compiling a Blueprint sub-class of a C++ class that has a UDistributionFloat property. ...