Unable to open UE4Editor on Linux - Bad hlslcc header found

UE - 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(): ...

Code based component name differs in Blueprint Components and main Viewports Details

UE - Gameplay - Blueprint - Jun 24, 2015

If the TEXT("") portion of CreateDefaultSubobject is changed then the name of the component will update in the main viewport details but will not update inside the blueprint based on the class. ...

Editor crashes while switching to paint mode if material has a grass output and landscape visibility mask

UE - LD & Modeling - Terrain - Landscape - Aug 10, 2016

Editor crashes while switching to paint mode if material has a grass output and landscape visibility mask. Frequency: 3/3 ...

HLODs do not correctly work with Dynamic Material Instances

UE - World Creation - Worldbuilding Tools - HLOD - Jan 11, 2016

A licensee has reported that when using Create Material Instance Dynamic and adjusting a material at run-time is not working with HLODs. It doesn't seem supported (yet) and unchecking the "merge m ...

ExponentialHeightFog is not rendering through VR

UE - Platform - Mobile - Mar 14, 2016

ExponentialHeightFog does not render for Gear VR devices when both the device and project are set for Gear VR. However, the fog does appear on a project without Gear VR enabled. Occurs On: GalaxyS6 ...

Spawn Actor From Class Multiplying Transform Scale By Original Object Scale

UE - Gameplay - Jun 9, 2016

When using the Spawn Actor from Class node, the Spawn Transform Scale is being multiplied by the actor's original scale, instead of just setting the scale to the Spawn Transform's value. In 4.11.2, ...

Editor Crashes When Setting Location of Scene Component BP to World

UE - Gameplay - Blueprint - Dec 9, 2015

In an actor blueprint with a scene component blueprint as its root, if you add a child object to the scene component blueprint, and then go into the scene component blueprint and set the location to ...

Compile error with Local Variable of a Struct that contains a Set or Map type

UE - Gameplay - Mar 7, 2017

Compile error with Local Variable of a Struct that contains a Set or Map type. Standard and array variables work without issue. Non-local variables also work without issue. ...

Attempted to use an out of date DemoNetDriver when using DemoPlay through blueprints

UE - Networking - Oct 27, 2017

Users are not able to play a Demo in PIE using the Execute Console Command node to run the demoplay command. The following warning spams the output log while the demo is still trying to open:LogWor ...

Outside of AnimBP's, Animation Sequences with negative Rate Scales do not animate

OLD - Anim - Mar 20, 2015

Animation Sequences with negative Rate Scales do not play outside of using them in Animation Blueprints...unless they are looping. UPDATE: A negative rate scale value also breaks Anim Montages. ht ...