Add multiple interface support to the multicast API of FSocket

UE - Networking - Jun 20, 2018

The calls to JoinMulticastGroup and LeaveMulticastGroup on FSocket do not allow for the interface address to be passed in, only the the group address. The interface address is currently hard-coded ...

DestroyComponent(bPromoteChildren=true) does not try to use the socket name of a child when attaching it to the grandparent

UE - Gameplay - Components - Jun 20, 2018

User reports that when we delete a component in the hierarchy and promote a child component in its place, we don't account for the socket name that the deleted component had used previously. ...

[Landscape] only returns DefaultPhysicalMaterial when run in editor world

UE - LD & Modeling - Terrain - Landscape - Jun 19, 2018

Landscape will only return "DefaultPhysicalMaterial" when run in editor world. In game time it will return the proper physical material. Found in 4.19 CL# 4033788, 4.20 Preview 3 CL# 4135216 , 4.21 ...

Morph Target Previewer does not refresh during Reimport

Tools - Jun 19, 2018

Reimporting an asset with Morph Targets does not refresh the Morph Target Previewer. Any newly-imported Morph Targets appear to not have been imported. Closing and reopening the Skeletal Mesh Editor ...

Make Timespan Node: Milliseconds to Seconds Conversion

UE - Foundation - Core - Jun 19, 2018

Make Timespan node returns unexpected conversion from milliseconds. With all other values 0 - values in the Milliseconds field over 2147 flip to negative and begin to decrement ...

Project deadlocks when using FClassFinder to find an AnimInstance UObject

UE - Foundation - Core - Jun 19, 2018

The project hangs on load when using ConstructorHelpers::FClassFinder to find an AnimInstance UObject. ...

ActorComponent and 'SubComponent' Blueprint Default values are being overridden by Class Default values

UE - Gameplay - Jun 18, 2018

Blueprint Actor values inherit the Class Default Object values instead of its Blueprint Default Object values. ...

Scaling with Vive Controllers in VR Mode with Blueprint Editor Open Causes Windows to Jitter Violently

UE - Editor - Workflow Systems - Jun 18, 2018

On Mac in VR Mode, when scaling the world with the controllers while the Blueprint Editor open, all open windows begin jitterring violently. This only occurs if the Blueprint Editor is one of the op ...

Colors of Individual Lens Flare Tints Cannot be Changed in UE 4.18+

UE - Graphics Features - Jun 15, 2018

If you create a project in 4.17 and follow the Repro steps, you will be able to adjust the colors of individual lens flares. If you copy the 4.17 project into 4.18, 4.19, 4.20 Preview, or 4.21 the f ...

Show Flags are changed to the state that they were set on editor startup when switching to a different level

UE - Graphics Features - Jun 15, 2018

Show Flags are changed to the state that they were set on editor startup when switching to a different level It appears that the state of Show Flags are stored in the editor on shut down, this is c ...