Unreal Engine Issues

Viewport Flickers when opening a Blueprint and Setting it as a Docked Tab on El Capitan

When docking a blueprint as a tab in the main viewport the sprites and other actors placed in the default scene (including player start) begin to flicker. This flicker persists until you close and ...

Custom Profiles Don't Update Maps To Cook When One Is Deleted

If you delete a map while it is marked to be cooked in a custom profile, then run the custom profile the map won't be deleted from the profile .ulps. I wasn't able to launch using the new custom pr ...

Volumetric Clouds High Quality Aerial Perspective Issue

There is a workaround to set r.VolumetricRenderTarget.Mode=1. The lines appear to be coming from the temporal component of the Volumetric Clouds. Each frame, the lines are merged in from the previou ...

Packaged projects do not render in web page using Safari 10.0

My Macbook Pro uses an Nvidia GeForce 750M and was on Safari 10.0 when this occurred. This did NOT occur on a Macbook Pro with the same card and using Safari 9.1.2. This did NOT occur on an iMac wi ...

Editor Crashes When Undoing Paint Mode Selections

Attempting to use the paint mode tool on meshes in the level and then undo/redo the changes will cause the editor to crash. ...

Landscape is deformed on Mobile preview

Landscape LOD behaviours is not working as expected (Its Calculation is not based on Sections anymore)

"Components can optionally be divided into either 1 or 4 (2x2) subsections to increase the resolution of the Landscape. These subsections are the base unit of Landscape LOD calculation." From Doc ...

(BUG) Sequencer Root motion breaks down when using SwapRootWithActor, translation track and transform origin actor

When "Sequencer.ThreadedEvaluation.AllocationThreshold 8" is initiated, characters in a level sequence that have “Swap Root Bone Actor” activated on their animation will begin to slide very fast acr ...

While using an Actor Component, Simulate Physics cannot be toggled with a Click Event if Substepping is enabled

While using an Actor Component, Simulate Physics cannot be toggled with a Click Event if Substepping is enabled. If Substepping is off, everything works fine. This seems to only happen if an Actor ...

Compile errors in AnimBP when using latent functions

Compile errors in AnimBP when using latent functions. Does not occur in Blueprints, only AnimBPs. Error Default value 'execute' for Value is invalid: ''execute' is not a valid enumerant of '<EMo ...