Unreal Engine Issues

Mac Safari HTML5 Launch On - Unresponsive WASD controls while in Full Screen

I was testing launch on test for mac and wanted to see if the full screen works properly as there were issues with that before. I discovered that after selecting full screen, I was not able to move ...

Modifying Collections does not batch Source Control operations

A licensee is noticing that a heavy use of the Collections system to categorize assets is causing a lot of unnecessary source control operations and generating a lot of noise for their logs. Rather ...

Characters will rarely spawn on top of each other in a networked session

REGRESSION: Maybe (had one occurring of it happening in 4.13.2) When playing with multiple players at the same time in a networked session, it's possible if rare to have characters spawn so they st ...

Viewport Gets HMD Control Not Working with Vive

When using the Viewport Gets HMD Control option in the Editor Preferences, the Vive does not seem to be able to control the viewport camera, which is what would be expected. ...

Cannot Create a New Project if Windows Username Contains a Special Character

If you have a windows username with a special character (in this case, it was ^), the launcher will not allow you to create a new project, and a warning appears indicating that the path cannot conta ...

In Animgraph, Custom Blend Logic set to "Delayed Freeze" causes duplicate "Frames to Cache" field

In the Animgraph of an AnimBlueprint, Using Custom Blend Logic results in the "Frames to Cache Pose" field being duplicated if "Delayed Freeze" is selected. However, if "Standard" or "Freeze" is s ...

Destructible Meshes will flicker in a Packaged Game

Destructible chunks will flicker after the DM has been fractured. These chunks will flicker until they are in a sleep state. Using Sensitive Sleep Family will allow this to stay prolonged. Waking th ...

Lighting Scenarios Map Check warning about multiple skylights not supported

When using Lighting Scenarios and placing a skylight in the lighting scenario levels when you build lighting there will be a map check warning that "Multiple sky lights are active, only one can be e ...

PlatformMediaSources fail to load in the editor.

Scene capture produces black texture on encoding devices with mobileHDR == false

Scene captures are broken on encoding devices when mobile HDR is off. ...