Unreal Engine Issues

Editor crash when compiling a blueprint containing `SetAvoidanceEnabled` call in construction script.

Adding a Scene Capture 2D to Render Target will override Motion Blur settings in level

With a Render Target From Scene Capture 2D setup in a level , the motion blur settings from a global post process volume is overridden. Was investigating Scene Captures picking up Motion Blur when ...

The Editor may crash in PIE mode if the Engine was built from source code using the Debug Editor configuration.

Building the Engine using Debug Editor configuration can result in a crash if a project is run in PIE mode. No crash occurs in the same project if the Engine is built using Development Editor config ...

Refraction in Mesh Particle not rendering unless already rendered in static mesh

Mesh Particle System made to show a visualization of a shockwave will not render with the refraction component of the material unless a static mesh with the material applied to it is also in camera ...

Right-clicking in the Event Graph of a second Blueprint created using Create Blueprint Using This... will crash the editor

Right-clicking in the Event Graph of a second Blueprint created using Create Blueprint Using This... will crash the editor. Crash Report: [Link Removed] Call Stack:<unknown module>! KERNELBASE!Rai ...

Loops don't work with SimpleParallel BT composite node

Loop decorators don't work with SimpleParallel BT composite node. We need to either fix it, or if we remove support for it restrict users from putting these decorators on SimpleParallel's children. ...

Lighting not rebuilding. SWARM: "Error: A 32 bit processes cannot access modules of a 64 bit process."

Objects in editor windows can still be highlighted when mouse is over them with a non UE4 window in front of the editor

When the editor is open behind another window and the mouse hoovers over objects and options in various submenus, objects are still highlighted in the editor. ...

Foliage Painted on BSP is Deleted after Building Geometry

After painting foliage meshes on a BSP surface and rebuilding the level (more specifically the geometry), the meshes are deleted. This bug is especially nasty because you cannot Ctrl+Z after buildi ...

Clicking a button in UMG stops all tilt information

Tilt information is no longer taken after clicking on a button in UMG. The tilt information goes to all zeros. That is until the user clicks else where at which point the device will then start regi ...