Unhovered event occurs twice with 3D Widget when button is pressed and held

UE - Editor - UI Systems - Jul 21, 2017

When using a 3D Widget that is a button when you press and hold a button and move off of the widget and let go of the mouse the engine registers a second unhovered event. Engine Version tested 4.1 ...

Editor crash when a Breakpoint is added to a Widget's Tick function

UE - Editor - UI Systems - Aug 18, 2017

Editor crashes when a widget's tick contains a breakpoint at a print string node. Based on 4.16 warning message, this appears to be caused by the text attempting to draw when no draw buffer is avai ...

UBT warning during package when nativized blueprint contains a node from a plugin

UE - Gameplay - Oct 9, 2017

When a Blueprint contains a node that was added by a plugin (ex: GetBatteryLevel node added by Optional Mobile Features Blueprint Library), nativizing the BP in 4.16 completed fine but 4.17 gives a ...

Material reroute node does not work with WorldAlignedTextures_Complex Inputs

UE - Rendering Architecture - Materials - Oct 24, 2017

There is an issue occurring with the Material reroute node as it does not work with WorldAlignedTextures_Complex when plugging into inputs. This issue appears to be similar to [Link Removed]. This i ...

Videos of certain sizes no longer display in media players

Media Framework - Oct 27, 2017

Videos of certain sizes no longer display in the Media Player, this also applies to when the media player is a texture or in a material. This issue appears to be a regression. Versions Tested 4.16. ...

iOS apps crash on devices with iOS version 11.2.2 when Metal 2.0 is enabled

UE - Platform - Mobile - Jan 22, 2018

Launching an iOS App that is set to Metal 2.0 on a device with iOS version 11.2.2 causes the app to crash and return to the home screen. This was tested on an iPad Pro as I do not have access to any ...

Point Lights Y-Axis Rotation Changed from 4.18 to 4.19

UE - Graphics Features - Jun 6, 2018

Possibly related to [Link Removed]. This affects Static, Stationary, and Movable point lights when upgrading a project from 4.18 to 4.19.2 or Main (tested in CL 4101872). If you click the "Reset to ...

'Set Timer by Function Name' not able to call functions that return an Output Parameter

UE - Gameplay - Jul 16, 2018

When using a 'Set Timer by Function Name' node with a Function that has an Output parameter it will fail at executing the Function. If the Function is called with an Event BeginPlay node it will fu ...

LookAt AimOffset Animation node does not interpolate with it's Blendspace

UE - Anim - Runtime - Oct 29, 2018

The "LookAt AimOffset" animation node does not recognize the interpolation setting on its assigned Blendspace. This causes the animation to snap to positions instead of smoothly rotating to them. ...

Structures get broken after saving and reopening project

UE - Gameplay - Nov 12, 2018

When a project is reopened that contains structures, they will be corrupted with a hash code instead of their original values. If the "Break Struct" node is removed it can't be re added as it is not ...