Unreal Engine Issues

Attempting to generate abstract class from blueprint crashes editor on compile

Attempting to generate abstract class from blueprint crashes editor on compile. Frequency: 4/4 ...

Incorrect first frame of video exported while viewing media in Viewport

Crash when closing the timeline tab inside UMG editor and reopening UMG editor

Crash when closing the timeline tab inside UMG editor and reopening UMG editor Reported here:https://udn.unrealengine.com/questions/307297/umg%E3%82%A8%E3%83%86%E3%82%A3%E3%82%BF%E8%B5%B7%E5%8B%95% ...

Creating External Curve for a function's local struct variable causes editor to crash

Defining a FRuntimeFloatCurve inside a code based struct causes the editor to crash if the struct is added as a local variable to a blueprint function and the "Create External Curve" button is press ...

Swarm Coordinator is not distributing Lighting Builds

Swarm Coordinator in 4.8.1/2 is not distributing light builds across accessible agents. If you have and open a Coordinator included in the 4.7.6 build of the Engine, Coordinator is distributing cor ...

Adding Angular Impulse on Begin Play causes a Crash

Calling Add Angular Impulse on BeginPlay causes the editor to crash. Workaround: Adding a short (.01s) delay after BeginPlay prevents the crash. Regression: No, crash occurs in 4.11.2 as well. ...

Landscape brush not visible when landscape material uses World Position Offset

Landscape brush not visible when landscape material uses World Position Offset. Update: Brush also not visible when landscape material uses displacement. Tested in Binary 4.10.2 from launcher. ...

DetachActor removes collision from parent, but not mesh.

When using DetachActor, the collision for the mesh is detached, but the mesh remains attached to the blueprint. This causes the mesh to fall through the floor while leaving the collision behind. R ...

Ensure When Setting Simulate Physics of a Child Actor on the Server and Forcing NetUpdate

An ensure is being triggered when you set simulate physics on a child actor on the server and then force net update. Found in 4.14.2 CL# 3241561. Reproduced in 4.16 Main CL#3247538 ...

HDR values are not updating in Pixel Inspector

HDR setting in the Pixel Inspector does not update with the color you hover over. The color bar should update similar to Final Color settings and value of Luminance setting should update as well. ...