Error when quitting Launch on session - A null object was passed as a world context object to UEngine::GetWorldFromContextObject().

UE - Gameplay - Jun 20, 2017

The following errors occur when the user quits a Launch On session from the editor:LogPlayLevel: QAGame: [2017.06.20-16.26.03:085][292]LogScriptCore: Error: Script Msg: A null object was passed as a ...

Crash on packaged game with Struct containing Enum and Nativization on

UE - Gameplay - Blueprint - Jun 20, 2017

There is a crash occurring with a packaged game that has a Struct containing an Enum inside of it, as well as having the nativization on, the issue does not occur if Nativization is turned off. The ...

D3D Crash applying Built Lighting in a level containing Static Foliage

UE - World Creation - Worldbuilding Tools - Foliage - Jun 20, 2017

Editor session crashes applying Built Lighting in a level containing Static Foliage. Note: this crash does not occur if the Instanced Foliage Mesh has mobility set to "Movable" within the Foliage D ...

Crash on level change when "Use Single Process" is false and "Play as Client"

Tools - Jun 20, 2017

When "Use Single Process" is off (unchecked/false) and "Play as Client" is selected, using the console command "Open [LevelName]" causes the editor to crash Regression: No - same behavior occurs in ...

Edit shared defaults for multiple blueprints leads to Engine crash.

UE - Gameplay - Blueprint - Jun 20, 2017

Changing any value in Edit shared defaults window with multiple blueprint assets leads to Engine crash. This is a regression from 4.16 ...

Recorded sequences create broken "Visibility" tracks instead of "Hidden in Game" Tracks

UE - Anim - Sequencer - Jun 19, 2017

Recorded sequences create "Visibility" tracks instead of "Hidden in Game" Tracks. "Visibility" tracks appear to be legacy tracks that you can't create anymore, but is still created by Sequence Reco ...

Disabling the Paper 2D plugin causes a packaged project to not open

UE - Foundation - Cpp Tools - Automation Tool - Jun 19, 2017

When working in a project that is in 4.16, disabling the Paper2D plugin causes a packaged version of the project to not open. This issue is different from previous versions as disabling the plugin i ...

Pins inside a function will be orphaned if user changes pin type

UE - Gameplay - Blueprint Editor - Jun 19, 2017

When the user changes the pin type of a linked pin, the pin inside the function will be orphaned. This will result in an ERROR DUPLICATE pin on the function instance. ...

Access Violation crash deleting a Widget Blueprint with an unsaved Animation track - FSequencer::Tick()

UE - Anim - Sequencer - Jun 19, 2017

Encountered an Access Violation crash while deleting an Widget Blueprint with an unsaved Animation Track. The callstack references FSequencer::Tick(). I was not able to reproduce this issue in UE4/ ...