Unreal Engine Issues

Crash when updating instanced subobjects in a USTRUCT

Attempting to edit array of instanced subobjects causes the editor to crash. ...

Rearranging the position of enumerators in an Enum BP will change references to the enumerators inside Data Tables based on position rather than value

Rearranging the position of enumerators in an Enum BP will change references to the enumerators inside Data Tables based on position rather than value. Reproduced in 4.8.3 binary, 4.9.2 binary, 4.1 ...

Filtering a Curve with Fourier Transform (FFT) with the Response set to Chebyshev crashes the editor

When creating a Curve and filtering the keys with a Fourier Transform, the engine crashes. The engine doesn't crash when the Bake, Euler, or Simplify options. It only crashes if there are a minimum ...

Crash when entering Brush Editing mode with a Sequence spawnable Post process volume

Crash during shader compilation when r.Shaders.Optimize=0

The primary shader crashing is "FVisualizeLumenSceneCS" which I've put in the callstack section, but I think this is more likely a binding problem as I'm also see the following crash with cloud shad ...

Pasting nodes into level blueprint crashes editor

Changing between multiple Streams that are contained within an array does not work

Changing between multiple Streams that are contained within an array does not work. ...

Code based FPostProcessSettings variables are not displayed properly in the editor

When a variable of FPostProcessSettings is created, the variable itself is missing in editor with the actual post process settings fully expanded instead. Additionally, the fully expanded settings ...

FDateTime is not correctly formatted by As Date Time when using any dates before January 1st, 1970

FDateTime is not correctly formatted by As Date Time when using any dates before January 1st, 1970. From a conversation on Slack with MaxP: this is probably an underflow the ICU based string format ...

If a pin is added to a node and then split only one of the pins can be removed

If a user adds a Vector+Vector node, adds a pin, Splits the new pin, and then removes a pin the option to remove the other two remaining pins is not available. ...