Unreal Engine Issues

This project crashes when opening most maps after converting to 4.7 Preview 5

This project crashes when opening most maps after converting to 4.7 Preview 5. Also crashes after converting to 4.8 Main (tested in //depot/UE4/Promotable-CL-2429371). Crash log attached. Crash R ...

Square Root Falloff causes rendering errors in shipping builds on landscape

When a build has been packaged using shipping options, square root falloff settings cause landscape to incorrectly render. Note: When downloading the files, please note that the WindowsNoEditor fo ...

LandscapeMountains demo has large performance drops at various locations around map

Landscape Mountains experiences heavy performance drops at various locations on map, specifically around ice lake in middle of map or when crashing. FPS varies from 50 FPS down to 11 FPS. ...

Root Motion has significant Error when used in Character Movement

Transition ratio getter function not correct for interrupted transitions.

The transition ratio getter simply uses ElapsedTime/Crossfade for the alpha on the transition. Normally this is sufficient, although if you blend between two states A and B such that you interrupt ...

Set Master Pose Component does not handle Slave Meshes with extra bones

Set Master Pose Component does not handle Slave Meshes with extra bones. ...

Source Control: UProject file not added to source control when project is first created

For Perforce (and potentially Subversion), it seems that the .uproject file is not added to source control when setting up source control for the first time. Additionally, it seems that any starting ...

Shader compile error using Point Lights Nvidia Shield

On the Nvidia Shield (portable with the controller attached) if you have a dynamic directional light and at least one dynamic point light no lights will be rendered in the level. Or even just using ...

Packaging for Android while using Online Framework and Online Subsystem Steam Plugins cause failure

When you try to package for Android while Online Framework Plugin and Online Subsystem Steam Plugin, the package fails with: error: undefined reference to 'HtoNL(unsigned int) ...

HTML5 cannot package on Windows 10

HTML5 is not packaging or launching onto browsers in 4.12.5 on Win10 machines. ...