Editor crashes if Sequencer has keyframes for a variable that has changed

Sequencer - Sep 19, 2018

The Editor crashes if loaded sequence has keyframes for an actor variable that has been changed, instead of soft erroring out. This was reported and tested on 4.20.3 (CL-4369336). It was reproduced ...

ForLoop used inside BP Function Library always returns 0 index when used in a Construction Script

Gameplay - Sep 18, 2018

Using a For Loop inside of a Blueprint Function or Function Library will always return index 0 when used in the Construction Script. This was reported and tested in 4.19.2 (CL-4033788). This was r ...

Remote standalone build of a project fails due to incorrect path to project's Info.plist file

DevTools - AutomationTool - Sep 17, 2018

Attempting to use UAT on Windows to remotely create a standalone build of a project for Mac fails in 4.19. The error message indicates that it cannot find part of the path to the project's Info.plis ...

Navigating the Editor on Linux with a Wacom Tablet is difficult

Platform - Linux - Sep 17, 2018

Movement is quite sporadic and jumpy when using a Wacom Tablet to navigate the Editor on Linux. The Editor pans and zooms in and out really quickly with the slightest of movements. This was report ...

Hot Reload triggers Ensure after default value of a property in a component included in an Actor class is changed

Core - Hot Reload - Sep 13, 2018

Performing a Hot Reload after changing the default value of a property in an ActorComponent that is included in an Actor class triggers an ensure if a Blueprint has been created from that Actor clas ...

VR Motion Controllers: Haptic Feedback Effect SoundWaves

Virtual Reality - Sep 10, 2018

Attempting to play Haptic Effect SoundWaves on both Motion Controllers will cancel or interfere with each other. Tested with Oculus Also confirmed in Main 4348893 ...

NavLink component does not account for the cost of the path set by AreaClass

Gameplay - AI - Sep 6, 2018

In the test case, the NavLink component has a navigation cost of 1000000000. When the AI navigates to the NavLink the printed cost is only 2677. It is believed that the AreaClass isn't being taken i ...

ARKit Crash with Session Type: Image

Virtual Reality - Sep 6, 2018

AR app crashes when starting AR session if session type is set to "Image". Also confirmed in Main CL 4346626 ...

Blueprint variables get reset if not made Public

Gameplay - Sep 5, 2018

When a blueprint variable is not set to Instance Editable, its value gets reset at runtime. This seems to occur because the variable OriginalCannonTransform seems to get reset/nullified after being ...

Undo Crash with Reroute node into Class pin of SpawnActorFromClass

Gameplay - Blueprint - Sep 4, 2018

Crash on undo with SpawnActor node that uses a reroute pin in class wire. "It looks like the variable promotion marks the blueprint as structurally modified, which triggers a skeleton compile, wh ...