Shader Model 5 and Tessellation causes unintended effects on Linux

UE - Platform - Linux - Jul 6, 2016

Using Shader Model 5 and tessellation on Linux gives strange results that are not present when used on Windows ex: 1) When using Shader Model 5 on Linux, turning on Translucent blend mode and Tesse ...

Delete Unused Variables Does Not Remove Local Variables

UE - Gameplay - Blueprint - Oct 13, 2015

Using the Delete Unused Variables option under the Edit tab of a blueprint does not remove local variables. Instead, it displays a "All variables are in use" error. Occurs in 4.9.2 and 4.8.3 binar ...

Editor fails to create WebSocketNetDriver class

UE - Networking - Apr 28, 2015

When the Experimental HTML5 Networking Plugin is enable in the editor it allows for C++ classes with the WebSocketNetDriver parent to be created. Creating a C++ class of this type fails in the edit ...

Ctrl + z still active in PIE

Tools - Jan 20, 2016

Users can select ctrl + z while playing in Editor causing PIE to stop and undo last change, often freezing the editor temporarily, and sometimes causing a crash. Workaround: This does not occur if ...

Crash Occurs When Attempting to Use Validated Get on a Local Variable

UE - Gameplay - Blueprint - Jan 13, 2016

In a function, creating a local Pawn or Actor variable, getting it, and then converting the Get to a Validated Get will cause the editor to crash upon compiling the blueprint. Found in 4.10.2 binar ...

Sequencer does not support Quaternion Rotation when manipulating transform tools or piloting cameras

UE - Anim - Sequencer - Oct 16, 2015

Noticing an issue when keying a camera and then playing back the animation it turns or spins in directions i never intended. Think we need check box for toggling Use Quaternion linear interpolation ...

PhysX errors when packaging for x86

UE - Platform - Mobile - Oct 27, 2016

Packaging for x86 in ETC1 will generate PhysX errors and cause the package to fail. The following error will occur multiple times throughout the package:UATHelper: Packaging (Android (ETC1)): Unrea ...

Broken references after renaming template default folders

Tools - Jan 17, 2017

When a template project's default folders are renamed (such as Geometry in the First Person Template), the original folder name is still shown in the content browser. Relaunching the project will s ...

Fail to launch ('Attempt to build nav collision') on device when HLOD is generated

UE - AI - Feb 16, 2017

After generating HLOD, game launched from launch on device does not run correctly. 4.14 does not seem to have this issue, so this might be a regression. ...

Can't clear AnimBp reference from an old asset(4.10 or before) with a skeletalMeshComponent

OLD - Anim - Mar 2, 2017

When using an older asset(4.10 or before) with a skeletalMeshComponent in a newer engine version, a reference for the original AnimBP remains after changing the mesh component's Anim Class. ...