Unreal Engine Issues

Can't Play In Editor after editing color value in color picker

Can not launch PIE after set the value in color picker window to enter a number from the keyboard. Choose the color value with the picker or close the window with the Cancel button to return to it.  ...

Package Map may clear out references to GUIDs on clients but not servers

Upon Seamless Travel, the Package Map will attempt to clear out "old" entries in the Guid Cache by marking them with a timeout. The only entries that will actually be marked for a timeout are entrie ...

If you enable Chaos, the player collision display is not correct

Replacing a UI widget element and then undoing it causes the Widget Blueprint's UI elements to be deleted on editor restart

When using the Replace With option and then undoing it, upon engine restart the Widget Blueprint's UI components are all removed from the Widget Blueprint. It seems the undo is crucial to the issue, ...

Crash in MatineeCameraShake when scrubbing and saving

[Link Removed] ...

Renamed material parameters in layer functions don't propagate to MIs

Simulated physics bodies not working properly with BP Move Component To node

This issue may reference [Link Removed] which was recently fixed with 4.9 CL-2553675. When using the MoveComponentTo node physics do not work properly compared to other methods to move a component ...

Translucent Surface Material and Additive Particles not rendering on Metal in Shipping/Distribution

Certain Translucent Materials with Surface Lighting Models and Additive Material based Particle Systems will not render in Shipping/Distribution configuration using Metal Rendering on an iPhone 6*. ...

Http server headers implemented as TMaps and are overridden

In Http communication server headers are Implemented as TMap such that multiple calls override the previous call so only one setting is saved. This means that, among other issues, a lot of times co ...

BlueprintNativeEvent in Component Subclass does not show up in BP with the component

If a function is marked as BlueprintNativeEvent inside of a class that inherits from a component (Scene component, Actor component, etc) then the function cannot be called in a blueprint with the co ...