AttachRootComponentToActor being used over a network can cause an Ensure (previously an Assertion) to be triggered.

UE - Gameplay - Jan 11, 2016

This is a continuation of [Link Removed]. The previous ticket changed an Assertion to an Ensure in order to stop a crash from occurring, and stated that a more complete fix would be coming in 4.10. ...

If child actor component is already also overlapping something it's parent will not fire off an overlap event

UE - Gameplay - Jan 11, 2016

If the a blueprint has an overlap event and that blueprint has a child actor component with an overlap event then the child can stop the parent from firing off an overlap event if the child also ove ...

Client crash on seamless travel in DataReplication with lag

UE - Networking - Jan 11, 2016

When server traveling, client may crash due to lag while attempting to replicate object/property. ...

Struct crashes when switching variable types while the default values are being shown

Tools - Jan 11, 2016

If the user switches between two variable types in a struct while the default values are being shown then the editor will crash ...

TraceHitInfo not returning correct PhysMat when Changed at Runtime via MID

UE - Simulation - Physics - Jan 11, 2016

Line Traces are not correctly returning the Physical Material Info when that information is changed at runtime via a Override Physical Material or a Set Physical Material via a Dynamic Material Inst ...

Crash when using +CVars=r.MobileContentScaleFactor=2

UE - Platform - Mobile - Jan 11, 2016

Iphone 6 Plus crashes when using +CVars=r.MobileContentScaleFactor=2, but it will run if you use +CVars=r.MobileContentScaleFactor=1. The project linked is set up with +CVars=r.MobileContentScaleFac ...

Static mesh does not show after using "Merge Actors" if the mesh is part of a child actor component that has been added to the blueprint

UE - World Creation - Worldbuilding Tools - HLOD - Jan 11, 2016

If a user has two blueprints, one with a static mesh and the other with a child actor component that contains a static mesh and that user uses the merge actors tool the child actor component's stati ...

[CrashReport] UE4Editor-Core.dylib!<Unknown>

UE - Platform - Apple - Jan 11, 2016

Tried to add new event in blueprint but crash Crash reporter link: [Link Removed] ...

Spline Component points cannot be edited inside Blueprint Viewport

UE - Gameplay - Blueprint - Jan 11, 2016

Adding a spline component to a blueprint allows the points of the spline to be edited in the main level viewport however the points cannot be selected/edited in the blueprint viewport. ...

Reduced Tessellation at edge when using world displacement

UE - Graphics Features - Jan 11, 2016

Adding a material to a mesh that is affected by world position offset has reduced tessellation around the meshes edges. This is seen when viewed in wireframe and is influenced based off of the angle ...