Enabling Merge GC Clusters and Blueprint Clustering causes a packaged Window project to crash

Core - Cooker - Jan 3, 2019

Enabling the check boxes for Merge GC Clusters and Blueprint Clustering causes packaged Windows projects to crash on startup. The log and dump files regarding this crash have been attached to this t ...

Vehicle destroyed when long stiff value is set to 0

Physics - Jan 3, 2019

When setting the Long Stiff value to 0 for wheels it appears to destroy the actor as soon as the wheel come in contact with the ground ...

Engine\Build\IOS includes an expired certificate

Platform - Mobile - Jan 2, 2019

\Engine\Build\IOS\AppleWorldwideDeveloperRelationsCA.pem is out of date. This causes a warning to appear when submitting app.  Workaround: Install latest WWDR ( https://answers.unrealengine.co ...

Virtual Bone effect is lost after re-importing mesh

Anim - Dec 31, 2018

After setting up a Virtual Bone on the skeleton and having it drive a Skeletal Control Node in an Animation Blueprint. Reimporting the skeletal mesh will cause the setup in the Anim BP to revert bac ...

Child Actor Audio Volume Makes UE4 Crash

Gameplay - Blueprint - Dec 31, 2018

When creating an actor, adding a child actor component to it, and setting that child to a Audio Volume the Editor will crash if you try to change any of the Audio Volume settings. ...

Depth Fade Material + Mobile HDR Disabled does not work with OpenGL 3.1 on Oculus Go

Platform - Mobile - Dec 28, 2018

"Depth Fade" material node does not work on Oculus Go with Open GL 3.1 active and Mobile HDR disabled. Seems very similar to UE-60150 however disabling Separate Translucency or calling  r.Mobile. ...

Instanced UObject property in custom code Component class resets to default value when project is closed and re-opened in the Editor

Gameplay - Blueprint - Dec 26, 2018

When an instanced UObject property is added to a custom code Component class, changing the value of the property in a Blueprint that includes the custom Component only lasts until the Editor is clos ...

Blueprint graph stops drawing correctly after using shift-drag

Gameplay - Blueprint Editor - Dec 26, 2018

When shift-dragging in the Blueprint graph and ending the drag on a node with a connected wire, the Blueprint graph will freeze up. There is an attached video that showcases the issue as well. Th ...

Attempting to set a new PIE window to Windowed Fullscreen mode causes both the new PIE window and the original Editor window to freeze and stop accepting input

Platform - Mac - Dec 24, 2018

When starting PIE in a New Editor Window on a Mac, the both the new window and original Editor window will freeze and stop responding to inputs if an attempt is made to change the window to Windowed ...

UClass::HasProperty() returns true for properties in a child class even though the comment for the function indicates it checks for the property in the current class and parents of the current class

Core - Dec 21, 2018

The comment describing UClass::HasProperty() indicates that it checks to see if a specified property exists in a class, or a parent of that class. However, when a property that exists in a child of ...