Unreal Engine Issues

Crash when Applying Hole Material to Imported Tiled Landscape with World Composition

A crash occurs when importing a tiled landscape, via the 'Levels' window with World Composition enabled, and applying a material to the 'Hole Material' slot. You can also re-apply a default material ...

Landscape Materials Layers Show "none" but are Still Able to Paint on Landscape

Landscape material layers show "none" after generating weight blended layers in landscape paint mode. The landscape layers are painted as normal but do not show that any layer is assigned. ...

LIVE: The Now node (FDateTime::Now) does not return the correct time

The 'Now' node does not return the correct time if ran through a 'Print String'. (NOTE: However, the 'Utc Now' node does return the correct time.) ...

Crash when removing native root component from code after creating a Blueprint class based on the native class.

Crash occurs when removing the native root component from code and then attempting to reopen a Blueprint Class asset that was based on the native parent class. Seems like maybe the 'AttachParent' f ...

Blendspace Animation Lag for Morph Targets

Blendspace animations of morph targets play at a slightly but noticably different rate between the 4.8 and 4.9 version of the UE4. ...

bool variables set in code do not auto-update after a hot reload

When a bool variable is defined in code, changing the default value of the variable does not update on a hot reload This is inconsistent with other variables types that update their current value w ...

Packaging fails after changing from Dynamic to Static Nav Mesh Runtime Generation

If you package with Runtime Generation set to Dynamic and then switch to Static and attempt to repackage, the packaging will fail with the following error message.[2016.02.08-16.18.14:511][217]MainF ...

Crash on Mac for some 4.16 users while opening editor, related to Xcode

This is a common crash on Mac in the 4.16 release. The callstack is fairly generic , so it shares similarities with other Jiras such as [Link Removed] and [Link Removed], but this issue is differen ...

Object using specific Corona Material Import by default with wrong UVs

Live Coding Doesn't Appear to Correctly Reload or Reinit Automation Spec Tests

Something in the way that live coding interacts with the test system, or how the tests are loaded at startup and initialized, isn't quite matching up.   ...