Data loss when FPlane is implicitly converted to FVector4

UE - Foundation - Core - Jan 3, 2018

The FSceneView::Deproject function calls FMatrix::TransformVector4 and passes an FPlane value. TransformVector4 takes in an FVector4 parameter, so the value being passed is implicitly converted to F ...

Cannot uncheck "Support armv7" setting in the project settings without first enabling "Support armv64"

UE - Platform - Mobile - Jan 4, 2018

The editor silently ignores in put from the user when trying to uncheck the setting "Support armv7" (when this setting is the only one checked between the options of support armv7 and support armv64 ...

Client move combining triggers repeated overlap start/end events on network client

UE - Gameplay - Player Movement - Jan 2, 2018

This is caused by client move combining warping the player back and replaying the move. Workaround is to set "p.NetEnableMoveCombining 0" but that is bad for network bandwidth. We should probably ...

External textures don't render correctly on BSP

Media Framework - Jan 8, 2018

The result can be somewhat improved by setting different scale values in the surface properties, but it's always more or less broken. ...

Pixelated texture has material artifacts occur when two corners are covered

UE - Graphics Features - Feb 2, 2018

There is an issue with ramp-like textures where multiple corners are covered when you apply the mesh with the alpha channel on, there is a strange border that appears around the whole plane mesh tha ...

[Feature Request] Add material node or function to easily support AR passthrough camera

UE - Platform - XR - Feb 5, 2018

See the UDN link. This is currently possible with some material work, but should be made more robust to automatically look up the passtrough texture resolution and to deal with apps deployed in por ...

AutoCreateRefTerm does not provide a way to specify that a TArray property within a struct should have a default value created for it if none is provided

UE - Gameplay - Feb 9, 2018

The current implementation of AutoCreateRefTerm does not allow for a default value to be automatically created for a TArray contained within a struct that is passed into a function as a parameter. I ...

BuildId in the UE4Editor.version file for a local binary build will sometimes be updated when a hot reload is performed

UE - Foundation - Core - Feb 10, 2018

Performing a hot reload on a project that is using a local binary build of the Engine will sometimes result in the Engine's UE4Editor.version file being updated with a new BuildId value. That result ...

BroadcastOnActorMoved is not being called

Tools - Feb 13, 2018

In 4.18, BroadcastOnActorMoved() is no longer being called when an actor is moved in a level. The PostEditChangeProperty() function checks to see if the name of the property that was changed matches ...

Blueprint EventDispatchers unable to be reordered

UE - Gameplay - Blueprint Editor - Feb 15, 2018

UI appears to support EventDispatcher reordering, however reordering does not occur. ...