Selecting certain objects creates lag, motion blur, and a blurry floor of level

UE - Editor - Workflow Systems - Feb 26, 2016

If I select certain objects over by the robot and saint statues, it creates a very weird, blurry floor. That floor causes motion controller lag and motion blur from the rays. ...

Crash occurs when using Random Node and Branch within Sound Cue

UE - Audio - Aug 22, 2016

A crash occurs when playing a Sound Cue with Random node used in conjunction with a Branch node. In the original report the user specifically mentions the crash does not occur if you have not opene ...

WmfMedia: Memory leak while playing videos

Media Framework - Sep 21, 2016

There's a pretty substantial memory leak when playing videos with WmfMedia on Windows. ...

Having Mirrored UVs Breaks Render To Texture Even When Using Different UV Channel

UE - Graphics Features - Oct 24, 2016

If the static mesh has Mirrored UVs on channel 0 it will mess up the "Unwrap UVs for Render" functionality even when using a different channel for UVs that don't have mirrored UVs. ...

Adding Text Render Component at Runtime Crashes Standalone

UE - Gameplay - Components - Nov 2, 2015

Adding a text render component to a blueprint through C++ at runtime crashes the standalone player. It does not have any effect on PIE. Also, this only seems to occur when the blueprint in question ...

Particles are not appearing from certain directions in mobile previewer/HTML5

UE - Platform - Mobile - Aug 13, 2015

Particle effects are not appearing on mobile previewer, Android, iOS or HTML5. ...

"Content Examples" project's navmesh crashes editor

UE - Gameplay - Nov 5, 2014

In UE4.5, Opening a Content Examples project and opening the "NavMesh" level, selecting "SM_DemoCube" and moving it results in the editor crashing according to user. ...

Ctrl+z does not work within the blueprint editor

UE - Gameplay - Blueprint - May 21, 2015

Ctrl+z being used within the blueprint editor does not respond. If you translate a cube around the viewport and press ctrl+z, the cube does not revert back to the original location. ...

Material Function with Texture Size Texture Property will cause a Crash

UE - Graphics Features - Apr 5, 2016

By accessing the texture property for texture size will cause a crash. Attached image for material graph. Tested in: 4.10.4 Texture Size Texture Property did not exist 4.11.- CL-2927265 4.12 Dev ...