Can't reference function parameters in interface functions

UE - Gameplay - Blueprint - Jun 5, 2019

"If a blueprint implements an interface function that returns a value, it is not possible to reference function parameters by right clicking and searching for them. In regular functions, if a functi ...

RemoteMac.cs fails to build if ProjectFile is null

UE - Platform - Mobile - May 17, 2019

See CL 6473818. Remote compiling on a Mac is triggering a NullReferenceException for me, making me unable to build. I was able to delete the crashing lines locally to work around it for now.line 91 ...

Marketing Icon is missing when uploaded to app store

UE - Platform - Mobile - Sep 21, 2017

Licensees have reported a missing marketing icon when uploading to the app store. ...

iOS Show External Login UI Blueprint Node fails on new iOS devices

UE - Online - Jun 6, 2019

I have been trying to test iOS online subsystem functionality for my game and thought that this blueprint node was just broken. This bug will probably catch many UE4 developers that are new to iOS b ...

Using Interpolative Animation Data into 'Make Dynamic Additive' gives warning "Trying to play a non-additive animation into a pose that is expected to be additive in anim instance"

UE - Anim - Runtime - Jun 6, 2019

Feeding Interpolative non-additive Data into Make Dynamic Additive gives a Warning "Trying to play a non-additive animation  into a pose that is expected to be additive in anim instance" AnimBluepr ...

Mobile VR - Render Targets not working with Mobile Multi-View

UE - Platform - XR - Jun 6, 2019

Render target materials display as black on mobile VR when Mobile Multi-View is enabled. Also confirmed with LDR capture source. User also reports issues with scene depth (potentially fixed with [ ...

Crash when creating an animation

UE - Editor - UI Systems - Jun 7, 2019

The editor crashes when trying to add an animation key frame for the row fill setting for a grid panel ...

Actors spawned by child actor components are selectable in the world outliner

UE - Editor - UI Systems - Slate - May 31, 2019

The actor assigned to a child actor component should only have it's properties modified on the template, as the actor is spawned dynamically by the component. We used to enforce this by automaticall ...

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 ...

Rich Text block appears to ignore material settings from default setting after style changes are made and ended

UE - Editor - UI Systems - Jun 17, 2019

After changing a rich text block to use a different style (from a data table) it will ignore the material applied to the the default text style and it will use the color instead. ...