Details panel for Actor Component is blank in any Blueprint that derives from a code class using that Actor Component after the Actor Component's class name is changed

Gameplay - Blueprint - Dec 20, 2018

Changing the name of an Actor Component code class in a project results in any existing Blueprints that derive from code classes that use that Actor Component to not display the Actor Component's pr ...

Launch on Mac attempts to load incorrect map for 2D Side Scroller template

Core - Cooker - Aug 2, 2016

Important: To get this to repro 100% of the time a new Blueprint 2D Side Scroller template project must be used. If you close the project, then reopen it the project opens to the correct map. I'm as ...

Vive reverts to waiting room when loading in streamed level with significant load

Virtual Reality - Aug 1, 2016

When using the HTC Vive with any levels that are streamed in that take a moment to load in will show the waiting room for the Vive while loading. This does not happen on the Oculus that I can see. I ...

Visual Studio outputs ? symbols in place of Cyrillic for some messages related to UBT when compiling engine source

DevTools - UnrealBuildTool - Apr 25, 2016

An answerhub user reported a problem with compiling source on a Russian version of windows where messages related to UBT will output ? symbols in the place of Cyrillic characters in Visual Studio's ...

Steam VR appears to close the editor when another project is opened if the editor was focus by steam VR

Virtual Reality - Apr 14, 2016

Steam VR appears to close the editor when another project is opened if the editor was focus by steam VR. This does not allow the user to save and does not give a warning. ...

PHAT body collision is shown as smaller when looking at it in the main editor viewport.

Physics - Jan 19, 2016

When a physics asset is set up for a Skeletal Mesh, the physics bodies are still visible in the main editor when using Show Collision (alt+C) but are extremely small. They are still oriented along t ...

Some of our tutorial Blueprints won't open

Docs - Oct 30, 2015

For example: /Engine/Tutorial/Basics/FeaturePacks /Engine/Tutorial/Mobile/InstallingiTunesTutorial /Engine/Tutorial/Mobile/SettingUpAndroidTutorial ...

Animation Starter Pack IK Handles Not Moving

Anim - Animation - Oct 12, 2015

In the Animation Starter Pack for UE 4.9, The IK handles for the Mannequin's Skeleton do not move with the the rest of the joints in any AnimSequence. *See attached image. ...

Get positional Tracking Camera parameter does not return the correct orientation for the hmd Camera

Virtual Reality - Jun 23, 2015

The orientation of the camera appears to be in the center of the level. The documentation states that the Camera Origin should give "Origin, in world-space, of the tracking camera" ...

Blueprint child asset is set moved to offset position when set to simulate physics

Gameplay - Mar 3, 2015

When setting up a BP via the scene with the new method of adding components and converting to a BP the child component that is set to simulate physics enabled will be offset from its original positi ...