Unreal Engine Issues

Memory leak with -renderoffscreen and uncapped frame rate

A customer reported that -renderoffscreen leaks when running with an uncapped frame rate ...

When using the WebBrowser plugin, Korean input does not work if you type in a different input field from the one that was first used on Google.

In the updated search box, Korean text may not be entered initially. As a workaround, switching to another window using Alt+Tab (or activating a different window) and then returning to click the sea ...

Significant FPS Drop when Moving Mouse over GUI Elements [Mac]

On a Mac, scrolling over GUI elements, in the World Outliner for instance, results in a significant frame rate drop. Regression: No, occurs in UE4.14.3 Does not occur in Windows ...

Certain Niagara particles can disappear after switching to the debug cam

Step/Stop/Resume buttons change positions on blueprint editor window when stepping through blueprints

While stepping through blueprints utilizing breakpoints, the step/stop/resume buttons often change places slightly depending upon which nodes are being stepped through. This can be problematic while ...

Android Back Button go to Oculus home when using Gear VR

This is regression from 4.10 functionality. When assigning the Android Back Button functionality in a GearVR project, the back button will now bring up the Oculus Home Screen asking if you would lik ...

Empty Mesh Sections with MergeActors Tool

Map Check will output the following error, which makes no sense: SM_FourCubes_1 - 1 element(s) with zero triangles in static mesh 'SM_FourCubes' ...

RecastNavmesh contents are non-deterministic across navmesh builds

Per-tile data such as TileIndex and salt are stored non-deterministically. ...

Iris - Missed subobject destruction can cause incomplete client state

From UDN assigned to [Link Removed]  ...

[Substrate] Workaround for DXC problem with roll unlooping

We should get to the bottom of this workaround and revert it eventually.  Reported here: [Link Removed]  ...