Blackboard Key Values Persisting Between PIE Sessions

Gameplay - AI - Apr 21, 2017

Values set on Blackboard Keys are persisting after stopping and starting a new PIE session. Restarting the editor sets these values back to NULL. ...

Lighting build fail due to failing to open channel for material data

Rendering - Apr 21, 2017

Licensee reports lighting build fails for their specific levels which were created in 4.14.1 then moved to 4.15.1. Workaround: Setting LogLightmassSolver verbose level to Warning can show "Warning ...

Crash running Cloth functional tests

Physics - Clothing - Apr 20, 2017

Crash occurs when running the Cloth functional test map. ...

Creating a plugin marks the plugin enabled without loading it

DevTools - Plugins - Apr 19, 2017

The editor is required to restart for the Editor Toolbar Button plugin to appear. The plugin is enabled and the project is compiled, but the button does not appear. After further discussions, we a ...

Crash can occur in the Ansel plugin when setting Use Client Side Camera Updates to false in Player Camera Manager

Rendering - Apr 18, 2017

Setting the `bUseClientSideCameraUpdates` property in a `PlayerCameraManager` class to false can result in a crash in the Ansel plugin because `GEngine->GameViewport` may be NULL. Another user has ...

Attached Project Crashing on Play When Using World Origin Rebasing with World Composition

Physics - Apr 18, 2017

The editor is crashing in the attached project on PIE when World Origin Rebasing is enabled. According to the user, this did not occur in 4.13, but I was unable to test any further back than 4.15, a ...

Ribbon Emitter Lifetime Parameter Can Only Be Set Once

Rendering - Apr 18, 2017

You can set the ribbon particle parameter for lifetime only once during runtime. After that setting that parameter has no influence. ...

AI Controller Remains in World Outliner After Being Destroyed

Gameplay - AI - Apr 18, 2017

Destroying an AI Controller does not seem to remove it from the world. The controller will still remain in the World Outliner even after Destroy is called. Attempting to get the AI Controller after ...

Ambiguous Search Warning After Recompiling Blueprint of an Object Involved in a Level Sequence

Sequencer - Apr 18, 2017

The licensee is receiving an ambiguous search warning after recompiling the blueprint of an object involved in a level sequence that is contained in a hidden sublevel (which is then loaded and made ...

Black artifacts when navigating viewport

Rendering - Apr 18, 2017

When navigating the viewport, placed actors can leave a "black shadow" as the camera viewpoint changes. The artifacting remains until "Game view" or wireframe mode is activated. This only occurs i ...