Unreal Engine Issues

"Failed to Merge Bones" window can pop up repeatedly with no "...to all" option

User is experiencing a situation where he gets this window 200 times and no way to get out of it with a single click. ...

Mobile Preview dynamic shadows not showing on Mac

When Using mobile preview in the 4.7 preview build, or in the changelist provided, Dyanmic lighting is not showing shadows when changed to movable. Following the steps below, you will see no shado ...

Opening a level in PIE after adding a variable to a struct referenced in the GameInstance crashes this project

This user's project crashes on opening a level in PIE after adding a variable to a struct referenced in the GameInstance. Note that I had to do this twice to get the crash to occur. The project can ...

Huge game window when launching onto Safari 9.1.2

The game window in the Safari browser expands to a huge size along the Y axis. We do not see this issue on Safari version 10. The game window expands for about 5 minutes before the game is playab ...

Edit-> Project Settings -> Collision -> Presets Has No Scroll Bar

If you open a project and immediately go to Edit-> Project Settings -> Collision and expand the Presets dropdown, no scroll bar will appear. This prevents you from being able to see all of the optio ...

Inconsistent mouse behavior in PIE vs Standalone

Mouse is less responsive in standalone than in PIE. Ex: When reading the mouse position, the position isn't updated as often as when in PIE. ...

ScrollBox can't be scrolled in a 3D widget on mobile device

Ensure failing when skeletal mesh uses CapsuleIndirectShadow while Anti aliasing method is MSAA

Video of issue provided by licensee can be seen here - [Link Removed] ...

Spawn and Register Tab and Get ID Produces Unbounded Length IDs

Spawning Editor Utility Widgets via Spawn and Register Tab and Get ID inside another widget creates unbounded length IDs that get progressively longer with each subsequent spawn, as the ID is append ...

WidgetComponent is not updated with occlusion culling disabled

LastRenderTime is never updated with occlusion culling disabled, so the widget component will always stop updating.  (see UWidgetComponent::ShouldDrawWidget) Developers can force updates by TickWhen ...