Unreal Engine Issues

Lighting Build fails with World Settings Error

Lighting Builds seemingly successfully but produces a Map Check Error for World Settings. There are several things that can be done to "eliminate the issue" and I have separated them into different ...

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 ...

Hot Reload not updating variables that have their values set in the constructor

If a variable's value is being set in the construction script of a class and then that value is edited (the line itself is edited, not another setting of the variable), hot reload will not update th ...

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 when Reimporting SpeedTree asset with Billboard Material reset to the default World Grid Material

A crash occurs when reimporting a SpeedTree asset after clearing the material billboard element and setting it to the default world grid material. The licensee reporting the issue mentions to worka ...

Object using specific Corona Material Import by default with wrong UVs

Crash in a packaged project when loading into a level after a nativized Anim BP grabs a PoseSnapshot using a FName

In packaged projects will crash when an animation blueprint that is nativized loads into a new level. The anim blueprint needs to use the PoseSnapshot node with a FName variable passed before loadin ...