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. ...

Users custom AI-heavy project crashes if anything is Built

UE - Gameplay - Feb 2, 2015

Users custom AI project crashes if anything is Built. (All, Lighting, Geometry, etc.) The project can be played but receives a message during play that the Navmesh needs to be rebuilt. ...

Child BPs created from Parent BPs that include nodes attached to the Event BeginPlay, Event ActorBeginOverlap, or Event Tick nodes include a Parent call in the Event Graph by default

UE - Gameplay - Blueprint - Mar 7, 2015

Child BPs created from Parent BPs that include nodes attached to the Event BeginPlay, Event ActorBeginOverlap, or Event Tick nodes include a Parent call in the Event Graph by default. This is incons ...

Opening a level in PIE after adding a variable to a struct referenced in the GameInstance crashes this project

UE - Gameplay - Blueprint - Sep 3, 2015

This user's project crashes on opening a level in PIE after adding a variable to a struct referenced in the GameInstance. Note that I had to do this twice to get the crash to occur. The project can ...

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 ...

Camera resets position to origin of parent on the device for Gear VR

UE - Platform - XR - Mar 31, 2016

If the user attached the camera to the capsule of a character, the camera does not appear in the same place as it would when testing in PIE. It instead appears to default to the origin of the parent ...

UMG text does not update text when loading save game in real time

UE - Editor - UI Systems - Localization - Nov 25, 2015

If a project is utilizing load/save game features and attempts to print that load/save game's text information to a text box in UMG, the text box will not update in real time. ...

Static Bool Parameters not Visible on Material Instances by Default when passed through a Quality Switch Node

UE - Graphics Features - May 4, 2016

When feeding a 'Static Bool Parameter' through a 'Quality Switch' node within the material editor, the material instance for said parameter does not appear until the 'Params' button is enabled. If ...