Unreal Engine Issues

Using nativized functions on buttons to spawn meshes causes assertion failure

An assertion failure is thrown when using nativized functions on an Android device. ...

Unable to change Actor Coloration View Modes in PIE

When in PIE changing Actor Coloration view modes from the viewport visualisation mode [Liit] -> [Actor Coloration] -> ... Does not update correctly when switching view mode and sometimes isn't corr ...

Crash when using Export All or Export Selected (UE4Editor-UnrealEd.dll!ULevelExporterFBX::ExportBinary)

Relates to [Link Removed] [Link Removed] Call stack is similar to the bugs above. Editor will crash when exporting assets from a level that is not dirtied. Another reproduction method is to selec ...

Adding a Scene Capture 2D to Render Target will override Motion Blur settings in level

With a Render Target From Scene Capture 2D setup in a level , the motion blur settings from a global post process volume is overridden. Was investigating Scene Captures picking up Motion Blur when ...

Lumen Global Distance Field Trace Leaking due to Surface Cache Sampling

At specific distances from a thin wall, surfaces inside of a sealed chamber can receive indirect lighting from outside, leaking light into the chamber. This appears to be due to how SWRT handles sa ...

Lighting behavior is unreliable for translucent lit materials, results are inconsistent depending on the editor camera's FOV and the editor viewport's width/height/aspect

When working on the level editor viewport or testing on PIE, the visual appearance of additive/translucent lit materials changes significantly (and abruptly) when varying the camera FOV or the viewp ...

Sequencer causes 3DWidget on BP vectors to snap to Actor when active

When we have Vectors in BP with Show 3D Widget enabled, the Transform Widget would always snap back to the Actor after we move the 3D Widget in-world. [Link Removed] Removing the _DaySequenceActor ...

If a user uses a binding to set the text of a Text widget by using the "Get Text" node on that same widget the editor will crash

The editor crashes when trying to set the text for a text block via a binding a if the text block is trying to set its text by referencing its current text setting. ...

IOS deviceCrash when input Korean Charactor on EditableTextBox

New VR-Basic level triggers Metal validation layer assertion

This was discovered externally and reported on UDN here: https://udn.unrealengine.com/questions/563268/mac-editor-crash-when-disable-ambient-occlusion.html ...