Crash can occur when loading a sub level that contains an actor with a child actor component

UE - Gameplay - Dec 1, 2017

A licensee is reporting a crash where loading a sublevel that contains an actor with a child actor component can cause a crash. After speaking to Marc Audy, this seems to be related to the initializ ...

When Importing Camera, Previously Imported Cameras' Focal Length is Overridden

UE - Anim - Sequencer - Dec 4, 2017

4.17 does not allow for camera import. If multiple cameras are imported into sequencer, all cameras Current Focal Length change to match the newest imported camera. Mentioning Jira: [Link Remove ...

Gamepad continues to control editor menus during Mobile PIE session

Tools - Dec 4, 2017

When using a Gamepad, there is an issue where input from the controller continues to control editor menus during Mobile PIE session. This issue does not a appear to be a regression. Versions Tested ...

GameplayTagContainers can cause a crash in packaged builds when Event Driven Loading is enabled

UE - Gameplay - Dec 15, 2017

A user has reported that using a GameplayTagContainer can cause a packaged build to crash when EDL is enabled in certain cases. In this case, if the base C++ class that includes this GameplayTagCont ...

Stereo layer graphical error after scaling the stereo layer

UE - Platform - XR - Dec 20, 2017

Stereo layer appears offset and scaled incorrectly when scaling a stereo layer.  ...

When Entering, Exiting, and Re-entering Radius of Audio: Sound Stops Playing if Override Attenuation is Enabled

UE - Audio - Dec 22, 2017

-Upon leaving the radius/falloff distance of the sound and re-entering it when Override Attenuation is checked, the sound does not start to play againWorkaround: If cue is opened and Looping is chec ...

Crash when syncing a folder with source control that contains a level that utilizes Level Streaming

Tools - Dec 28, 2017

A crash occurs when you attempt to run the sync command on a folder that contains a level that is using level streaming in the editor. This was tested with Perforce and Subversion. Have not tested ...

uexp file of certain maps are always packaged when patching

UE - Foundation - Core - Nov 17, 2017

When generating a patch, (patch pak file) the .uexp file of the Editor Start Map and the Game Default Map are both packaged into the patch, even if another map is specified. Example: Editor Start ...

Skeletal mesh vertex colors swizzled on Mali devices

UE - Platform - Mobile - Dec 17, 2017

We are currently experiencing an issue where skeletal mesh vertex colors are different on certain mobile devices. What we see is the following:Red and Blue channels are swapped.It occurs consistent ...

"Find Collision UV" does not work with "Get Hit result under cursor"

UE - Simulation - Physics - Jan 8, 2018

The Hit result from "get hit result under cursor" does not appear to be working with "find collision UV" Using "Line Trace by Channel" hit result works as intended. ...