AttachRootComponentToActor being used over a network can cause an Ensure (previously an Assertion) to be triggered.

Gameplay - Jan 11, 2016

This is a continuation of UE-19264. The previous ticket changed an Assertion to an Ensure in order to stop a crash from occurring, and stated that a more complete fix would be coming in 4.10. In 4. ...

TraceHitInfo not returning correct PhysMat when Changed at Runtime via MID

Physics - Jan 11, 2016

Line Traces are not correctly returning the Physical Material Info when that information is changed at runtime via a Override Physical Material or a Set Physical Material via a Dynamic Material Inst ...

Reduced Tessellation at edge when using world displacement

Rendering - Jan 11, 2016

Adding a material to a mesh that is affected by world position offset has reduced tessellation around the meshes edges. This is seen when viewed in wireframe and is influenced based off of the angle ...

RenderTarget Texture Alpha rendered incorrectly when SceneCapture2D AA set to true

Rendering - Jan 8, 2016

The Alpha Channel of the Render Target Texture is rendered as a value of 1 (solid white) when the SceneCapture2D actor is set to LDR with PP and Anti-Aliasing is set to true in the General Show Flag ...

Modules with Emitter Life functioning incorrectly

Rendering - Jan 7, 2016

Setting the Emitter Time module with an emitter that is not set to loop will result in an incorrect render of the particles past the emitter duration. Emitter Duration set to 3 seconds:[Image Remov ...

Refraction breaks Translucent Sort Order without Separate Transparency Enabled

Rendering - Jan 6, 2016

With multiple Translucent Material sorted in 3-D space or via Transparency Sort Priority, if one of the materials uses refraction it will render on top of the others no matter position or sort prior ...

Importing a 8192x8192 .r16 landscape file does not render landscape in level viewport

Tools - Landscape - Jan 6, 2016

Importing a large landscape, such as 8192x8192 or 8129x8129 into a project shows that a landscape has been created, however the landscape itself does not render in either wireframe or perspective vi ...

Color Picker closes when selecting color in the Level Details Panel in a Blueprint actor

Gameplay - Blueprint - Jan 6, 2016

When an item has the option to open and change a color via the Details panel of the placed Blueprint actor in the world, the color picker will close immediately on changing any one setting. ...

Netprofile crashes networked games using Steam

Networking - Jan 5, 2016

Netprofile crashes networked games using Steam with the following assertion: Assertion failed: "Invalid interface for Steam P2P addresses" && 0 [Link Removed] [Line: 72] No Crash Report is submitt ...

Include Render Pass name as variable in Filename Format field

Sequencer - Jan 4, 2016

When outputting with Custom Render Passes, the Render Pass is automatically added at the end of the output frame file name. We have a few variables that we can control in the FileName Format sectio ...