Unreal Engine Issues

Gamepad input affects multiple game instances at once, due to not needing focus.

Since Gamepad input works without needing focus (which was added in 4.9 with [Link Removed]), a Gamepad's input will also affect all instances running on the same computer. Regression?: No This occ ...

Performance drop in Orthographic views when Visualize->Volumetric Lightmap

Severe performance drop when when entering Orthographic view, but only when Volumetric Lightmap is selected. ...

Post Process Volume not updating in preview

Set user focus for player 0 will cause other local players to lose input

When the player at index 0 sets its user focus it will cause other players to lose input. This does not occur when setting the user focus of players with an index higher than 0. ...

Creating a new C++ Basic Code Project, based upon a deleted With Starter Content enabled

Upon creating a new C++ Project called "MyProject" with starter content enabled, if you delete the project folder from the finder, then re-create a new C++ Project under the same name "MyProject" wi ...

Unable to uncap framerate in Vulkan

On Linux machines users are unable to uncap their framerate in the editor. This issue has been observed in multiple maps, including TM-URO and TM-AnimPhys, as well as Third Person Blueprint projects ...

CCD can produce incorrect results at low frame rates

The attached project has a fixed frame rate of 30fps with a simulating CCD cube above a with a full restitution floor. The cube has an odd rotation, such that it impacts the floor at a single point ...

Moving .uassets that were imported from a source file with Source Control active moves the source file without marking for add

A licensee has reported an issue with Perforce source control integration. The issue is related to the source file for an asset that was imported into the editor. If this source file is also checked ...

Shader Complexity does not function properly with Android ES2 or ES3.1 set as the Preview Rendering level

A user has reported that Shader Complexity is not working properly in 4.21 with the Android ES2 or 3.1 preview rendering level settings. Regression?: No It did not look this way in 4.21 and prior v ...

Orientation setting does not respect user's settings on Android

The Orientation setting in the editor for Android phones does not respect the user's settings. Despite "Auto-rotate" being turned off, the orientation of the UE4 app will change if it is set to do s ...