Unreal Engine Issues

HLOD generated proxy doesn't create or assign target lightmap coordinate index any longer

There are instances where HLODs will either generate a lightmap but not assign it to the correct Lightmap Coordinate index from the target lightmap setting in the HLOD outliner or the Lightmap will ...

Blueprint Implementable Events and Event dispatchers with the same name break the event dispatcher.

Creating an event dispatcher and BlueprintImplementableEvent function with the same names causes a signature conflict inside the blueprint. The event dispatcher is then broken as it cannot be delet ...

Using FObjectFinder outside of the constructor causes crash

If FObjectFinder is used in a function other than the constructor, which should not be done, it causes a crash. ...

A static object using 'Complex as simple' collision will not collide with a dynamic object that is simulating physics

If a static object has 'Use Complex collision as simple' set as its collision type, it'll collide with a player but will not collide with objects that are dynamically simulating physics. ...

Print String node will stop printing to the screen if PIE is exited while Gameplay Debugger is active

Print String node will stop printing to the screen if PIE is exited while Gameplay Debugger is active. Restarting the editor fixes the issue. ...

Date Time node to Time span node returns inconsistent values

When subtracting two date time sets to find the time span between them, the results are inconsistent. The results given give the total number of the unit measured for the time elapsed were as others ...

Exporting Landscape Heightmap using Copy/Paste Tool produces Pixelated results

When exporting a .raw file heightmap using the Copy/Paste tool, the file produced has a greyscale and pixelated result. ...

Anim curves default back to 0.f instead of material default

This seems to be a regression of [Link Removed]? Difficult to say. Originally reported here: https://udn.unrealengine.com/questions/391665/animcurve-parameter.html ...

Unreal crashes with an Fatal Error: Out of memory message.

Landscape renders default material if apply another material instance under ES31 preview

In ES3.1 preview, Landscape will render default material if change landscape material by using material instance of landscape's material. Will render correct if using another material's instance ...