Unreal Engine Issues

Crash when destroying a geometry collection actor

When an actor with geometry collection is destroyed, the engine doesn't remove elements from array in the ChaosSolver So illegal references occurs. Removing element with following quick fix code ...

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 ...

Access None errors creating log spam in user's project when editing BP

Access None errors creating log spam in user's project when he is editing the BP. This causes a gradual, but significant, increase in the Editor's memory usage. It appears to occur with a a refere ...