Unreal Engine Issues

Scrubbing Playback Speed under Geometry Cache in the details panel is too sensitive

Scrubbing Playback Speed is very sensitive and even a small mouse movement will cause playback speed to jump way too much. This makes it very hard to set it to smaller values and mostly a usability ...

Translucent Dbuffer Decals not Rendering in Material Editor Preview Window

Dbuffer decals with a Translucent Blend Mode are not rendering in the preview window of the Material Editor. Note I noticed the Default Blend Mode for Dbuffer Decals is set to Translucent now inste ...

Video files do not play in scene after LaunchOn to iOS from Windows

While attempting LaunchOn to an iOS device, the video and audio does not play. Attempts were made using the following video formats:mp4movavi Attempts were made using the following devices:iPhone 5 ...

Attempting to add a custom Physics Constraint Component class to a project will result in the build failing

Landscape Mountains Content Is Bugged When Updating Engine Version (P_BirdsClose_Circling)

When updating the P_BirdsClose_Circling to a new engine version (4.12.5 or higher) the particle system breaks. ...

Find References does not appear to find used variables that have been copy and pasted from another blueprint

Find References does not appear to find used variables that have been copy and pasted from another blueprint. Only the variable that was right clicked and turned into a variable is found ...

Linux: SIGTERM handler can deadlock

Handling SIGTERM can deadlock because RequestExit() can log stuff. If we happen to be in the malloc at that time of receiving the signal this is going to deadlock the process. In general, we should ...

EQS spheres are not fading from red to green based on their values

EQS spheres are not fading correctly where red = 0 and green = 1 This is a regression as it is working correctly in 4.13.2 at CL 3145013 ...

Precomputed lighting is not saved when using Save As or Duplicate for levels

Lighting is invalidated with levels that have been duplicated or Saved As. The maps that are created are immediately marked dirty and need to be resaved vs how they were in 4.12.5 where they wouldn' ...

Framerate drops significantly when attempting to import heightmaps

Framerate drops significantly when attempting to import heightmaps. Once the heightmap is imported this error is no longer prevalent, but during the preview there is a ~80-100 FPS drop. Regression ...