Unreal Engine Issues

Engine Crashes When Previewing ES3_1 With Material Using World Position Offset (Need Custom Stencil)

This crash will only occur when this criteria is met.You have enabled custom depth with stencils in the project settingsA mesh in the scene is rendering to custom depth with a stencil value of 1The ...

Doing a Rebuild in Visual Studio fails to compile

Attempting to use the Rebuild option in Visual Studio will fail to build the project. It instead produces a message that "Epic was unexpected". ...

Blueprint Actor with instance editable variables that are named with brackets cannot have their default values duplicated

When copying a Blueprint actor, Variables with brackets in their names don't have their values copied. IE: Creating a vector variable named "MyVector[]" This behavior also replicates with round brac ...

Actor attached to other actor in LevelInstance has very large bounds

Attached actors do not return to LevelInstance space at the end of LevelInstance editing, and bounds contains level instance offset location. This results in huge bounds. My workaround is:  void FL ...

Refraction not calculated when using Material Property Overrides Blend Mode

Found in the process of replicating the linked Answerhub. When an opaque material is setup as a master material with the intent to have an Opaque and Translucent version, the material instance will ...

Kinematic in Physics Asset Overrides Bone Scale of Skeletal Meshes

In a character's Physics Asset, a bone that is set to Kinematic and its children will have a scale of 1 overriding the Skeletal Mesh's Scale Transform settings. When the root of the body is changed ...

The ConvertToDeviceZ in common.usf seems wrong

Slate Post Buffer does not work correctly when changing Default Back Buffer Pixel Format

Line Attractor Strength Varies By Frame Rate

The Line Attractor node seems to render differently (have different strengths) between Cascade Viewport, Editor Level Viewport, PIE and Standalone/Launched Game In trying to capture movies for this ...

OnClicked events do not trigger on objects 100k units away from camera

Objects that are 100k uu+ away from camera do not trigger "OnClicked" events ...