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. ...

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 ...

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 ...

Deleted custom event restricts name use on other fucntions/variables

UE - Gameplay - Blueprint - Jun 17, 2015

If a custom event has been deleted, the name used on that custom event will not be able to be used on other functions/variables. This can be seen on the video posted here; [Link Removed] ...

Adding special characters into the BundleDisplayName or BundleName causes packaging error

UE - Platform - Mobile - Mar 3, 2016

Packaging a project for iOS that has & in the Bundle Name causes an error to occur during packaging. IPP ERROR: Application exception: System.Xml.XmlException: An error occurred while parsing Entit ...

User can click through Notifications

UE - Editor - UI Systems - Slate - Oct 27, 2015

BRANCH: //depot/UE4-Releases/4.10, but also current Main DESCRIPTION: When there is a notification up, such as launch on, the user can interact with the editor through it. *User shows video of the ...

Unselecting (As pin) Blend Space causes AimOffsetBlendspace Node to Become Inoperable

OLD - Anim - Aug 10, 2015

Unselecting "(As pin) Blend Space" in the Details panel causes AimOffsetBlendspace Node to become inoperable so that it will need to be replaced altogether. *See attached screenshot. ...