Unreal Engine Issues

Two-Sided Shadowing on Planes and Landscapes with non-flat Normals are Incorrectly Lit

When using a Two-Sided Material and Shadowing Two-Sided for a Plane or Landscape, with non-flat normals, there are parts of the material which are still illuminated. I have provided a test project ...

Cmd+W and Cmd+Q Keybindings for Mac Both Close the Editor

While in the Editor with a Mac the user can press either Cmd+W or Cmd+Q to exit. The user on AnswerHub is reporting that the Cmd+W should close an active window or tab, where as the Cmd+Q keybinding ...

Motion Blur Appears Exaggerated with Planar Reflection Actor in Level and Accurate Velocities Setting Enabled

Motion blur seems exaggerated with a Planar Reflection Actor placed in the Level and the Support Accurate Velocities from Vertex Deformation setting enabled. I am assuming this is happening becaus ...

Static Meshes Disappear with Media Player Asset Applied as Material in Standalone or Packaged Game

Static Meshes with a Media Texture applied will disappear when played in Standalone or in a Packaged Game. Regression? Yes, this is not the same behavior in the 4.11 version of the engine. Note I ...

Multiplayer Shootout is broken in 4.12

Multiplayer Shootout is broken in 4.12. Appears to be caused by the AimOffset animations being imported at the incorrect scale. Regression: Yes, does not occur if you create a 4.11 version of the ...

Elemental demo Lava appears low quality because of motion blur

The flowing lava in the level is a much lower quality than expected the poor quality does not appear to be caused by slow texture streaming, but instead by an over-exagerated or low quality motion b ...

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Packaged projects on Windows and Mac are not opening as windowed fullscreen

When you package a project on Windows or Mac, the project is then opened in windowed mode instead of windowed fullscreen. Regression: Works in 4.12.5-3039270 Does not work in 4.13.2-3172292 Does no ...

Particle System Warmup Time causing Crash with Light Module and High Quality Lights

A crash occurs when Opening a level with a Particle System that contains a warmup time and a Light module with High Quality Lights checked. This crash seems very isolated and specific as it does no ...

OSVR does not consistently render to HMD if OSVR Server is not open prior to opening editor/cooked game

It seems like if OSVR_Server is not launched prior to opening the editor, vr-preview functionality will not work (even though the editor starts OSVR_Server at launch). Seems like server must be open ...