Changing variable defaults in parent BP does not update changes in child

UE - Gameplay - Blueprint - Dec 9, 2014

The changes made to the values for a transform variable setup in a blueprint will not show up in a child BP until the yellow arrows is pressed to reset to default. Other variable types update autom ...

External Reference Spam when converting projects to 4.9

UE - Foundation - Core - Cooker - Sep 1, 2015

Map Check message log gets spammed with External Reference warnings when a project is converted to 4.9 from a previous engine version. These warnings don't seem to actually do anything to projects o ...

Project Launcher Back Icon Disappears when 'Use Small Toolbar Icons' is Enabled

Tools - Mar 31, 2015

With 'Use Small Toolbar Icons' checked in the 'Editor Preferences', the 'Back' button within the 'Project Launcher' disappears. The expected would for the button to get smaller and not vanish entir ...

Material Function CylindricalUVs is missing the Object Position

Docs - Samples - Sep 29, 2014

The Material Fucntion CylindricalUVs is missing the Object Position node ADDITIONAL NOTES: You can see the UVs wrapping around 0,0,0 without the position node attached, instead of the mesh's pos ...

Particle Sprites Location jumps when Engine delta time stutters

UE - Graphics Features - Feb 11, 2015

Particle Sprites will jump forward in level when engine delta time stutters due to a instant pushed rendering queue. [Link Removed] ...

Crash on device When using 'shot' console command on a iOS metal device.

UE - Platform - Mobile - Apr 27, 2015

When entering the Console command 'shot" on an iPhone 6+, the device will crash immediately. Tested on an iPhone 6+, iPhone 5 (8.1), and a Galaxy Note 10.1 Tablet. Unable to test on 2522625 becaus ...

UUserWidget::bIsFocusable serialization issues

UE - Editor - UI Systems - Mar 29, 2016

See repro steps. Workaround Unset and set bIsFocusable on widget's class will allow bIsFocusable to be set and persist on the nested instance. ...

Procedural Sound Wave Fails to Play when returning 0 bytes in GeneratePCMData callback

UE - Audio - Aug 2, 2016

Returning 0 bytes in GeneratePCMData results in the procedural sound wave not continuing to play audio. Instead of returning 0, we need to return an empty buffer if the procedural sound wave doesn't ...

Windows Package for Linux fails missing CrashReportClient-Linux-Shipping.target receipt

UE - Foundation - Build - Rocket (Installed Engine) - Aug 4, 2016

Packaging a Blueprint project from Windows Binary for Linux fails with the following error: UATHelper: Packaging (Linux): Program.Main: ERROR: AutomationTool terminated with exception: AutomationTo ...

Text/value is not highlighted when selecting slider fields in details

UE - Editor - UI Systems - Slate - Apr 22, 2016

Text/value is not highlighted when selecting slider fields in details This is extremely irritating in cascade and basically breaks usability. Does not occur in 4.11 Tags: Scrub Scrubbing value t ...