Lots of people running into an Ensure in PathFollowingComponent

Gameplay - AI - Nov 28, 2015

When a map is run without navigation bounds, and there are AI controlled pawns, the ensure in UPathFollowingComponent::RecacheNavigationData will trigger. I suggest changing the ensure into a log wa ...

Setting Runtime Generation to Static Resets Upon Closing and Re-opening Editor

Gameplay - AI - Nov 23, 2015

In Project Settings>Navigation Mesh, setting the Runtime Generation context menu to static reverts to dynamic if the project is saved, closed, and reopened. ...

Android streaming audio repeats at start if start time is 0.0

Platform - Mobile - Nov 18, 2015

An audio file needing decoding (streaming) will repeat at the beginning of play if the start time is 0.0. ...

Intermittent crash in CacheOptimizeIndexBuffer on Editor startup on Linux

Platform - Linux - Nov 16, 2015

Building 4.10 from the GitHub release branch on Linux fails to open after install and instead crashes User Suggested Fix: Switching triangle order optimization off with r.TriangleOrderOptimization= ...

Upgrading Project to a New Engine Version Causes Errors When Attempting to Open Tutorial Blueprints

Gameplay - Nov 11, 2015

When you create a project in version 4.8.3, and update it to either 4.10 or Main, there seem to be issues loading the Engine Content Tutorials for FeaturePacks, InstallingiTunesTutorial, and Setting ...

Wildcard Array in Macro Causes Error Message to Appear

Gameplay - Blueprint - Nov 9, 2015

Creating a Macro with a Wildcard Array and then using that macro to accept an array as input and attempting to get the first element causes an error to appear in the output log. In the AnswerHub u ...

Target build folder does not clear when repackaging

Platform - Mobile - Nov 6, 2015

When repackaging the same project over and over again for HTML5, the Utility.js folder doesn't delete/clear during the repackaging process like it's suppose to. ...

UAIPerceptionStimuliSourceComponent never registers with required senses

Gameplay - AI - Nov 6, 2015

UAIPerceptionStimuliSourceComponent::OnRegister tries to remove nulls from RegisterAsSourceForSenses but the condition in RemoveAllSwap is wrong. It should be SenseClass == nullptr instead. ...

Unable to open UE4Editor on Linux - Bad hlslcc header found

Platform - Linux - Nov 4, 2015

UE4Editor does not open on Ubuntu 15.10 due to the following error: [2015.11.04-16.19.35:974][ 0]LogOpenGLShaderCompiler:Error: Bad hlslcc header found! Missing '#'!Error in `./UE4Editor': free(): ...

[4.10 P2] UI is offcenter for dropdown menus and tooltips in editor

Tools - Nov 2, 2015

In Windows 10, on a system set up with 2 970GTX GPUs in SLI, the dropdown menues from the main navigation tabs will be offset and to the lower left of the screen when selected. ...