Inconsistent Spectator Camera Behavior When Run Dedicated Server is Enabled

UE - Networking - Apr 12, 2017

Spectator cameras don't seem to be set to the correct transform when the ChangeState/ClientGoToState functions are called when using a dedicated server. After testing on a listen server, it appear ...

Generated HLOD Actor not Registered when using the Size Map Tool

UE - World Creation - Worldbuilding Tools - HLOD - May 3, 2017

When using the Size Map to view the memory consumption of a generated HLOD actor, it reports it as missing. This could serve to be problematic when using a large number of HLOD actors to optimize t ...

Syncing Font Assets through Subversion can cause a crash

Tools - Jun 5, 2017

A licensee is having issues syncing their fonts folder from within the editor using Subversion. This issue only occurs with their Fonts folder; with the callstack they supplied, this leads me to bel ...

Exporting static mesh, then importing that fbx(w/ Import Normals and Tangents) doubles vertex count

Tools - Jun 29, 2017

Static meshes exported from the engine have more vertices when imported back into the engine. Occurs on? 4.13 - 3172292 - YES 4.16 - 3466753 - YES 4.17 - CL3512142 - YES ...

Merging negative-scaled actors breaks materials

UE - World Creation - Worldbuilding Tools - HLOD - Mar 27, 2018

Materials are broken when merging a mesh with another that has negative scale Licencee states that bisMirrored in FMeshMergeHelpers::TransformRawMeshVertexData seems to be involved. Does not occur ...

Android + Bluetooth Mouse: Hover events and Get Mouse Position on Viewport not working

UE - Platform - Mobile - Jul 11, 2018

No hover events firing when using a bluetooth mouse on android. Tested with 4.20p5 CL# 4173645 4.21 CL# 4179794 ...

Blutility context menu popup shows all pins inside function

OLD - Anim - Jul 23, 2018

ActorAction Blutilites are showing all pins inside a function. This does not happen with editor callable custom events. Also occurring in Main/4.21 CL #4221482 ...

STEP file containing Instances are not imported in Unreal

UE - Editor - Content Pipeline - Datasmith - Importer - Aug 7, 2018

Crash when naming function parameter 'none'

UE - Gameplay - Blueprint - Aug 23, 2018

Naming a parameter "none" will cause crash on compile. Asset may not be able to be reopened. Also confirmed in Main CL 4309299 ...

Removing a parameter from a blueprint function in a library can cause actor classes calling it to lose their parent or instance data

UE - Gameplay - Blueprint - Oct 4, 2018

Compile errors caused by an actor calling a function with something hooked up to a removed parameter can cause that actor to lose it's place in the hierarchy. Typically, the actor will be fixed once ...