Unreal Engine Issues

In editor, sub level instance's streaming state persists incorrectly after toggling Level Behavior without saving

When adding a sub level with world partition streaming to a main level where the streaming is also enabled, setting* Level Behavior* of the sub level to Standalone, and saving the result, in the fir ...

ShooterGame Crashes on Exit on iOS Due to Exhausting Real Time Allowance

When closing ShooterGame on an iOS device, the application crashes due to "exhausting the real time allowance of 5.00 seconds". This issue is NOT a regression for //UE4/Dev-Networking as it is also ...

Option "Use Mouse for Touch" does not work correctly when running the game in "Standalone" or "New Editor Window (PIE)" modes: Virtual joystick does not appear and mouse cursor is incorrectly hidden while captured.

The Editor provides option "Project Settings – Engine – Input – Mouse Properties – Advanced – Use Mouse for Touch" to allow testing virtual joysticks and other touch controls with the mouse. When ru ...

SelectActorsUsingThisAsset doesn't select actors that are referenced by an array and using a Scene component as root

SelectActorsUsingThisAsset doesn't select actors that are referenced by an array and using a Scene component as root User Description: I have a BP with editable actor references array. Recently I ...

Failed to compile C++ Code project, for iOS/tvOS in Development, in Xcode 8.3 beta 1

Project fails to build for iOS/tvOS due to:error: non-portable path to file errors. ...

Alt-tabbing out of a Standalone App or packaged version of a game does not trigger LostFocus or ReceiveFocus

If a user uses Alt-tab to change to another window, the ReceivedFocus and LostFocus functions are not called as they would usually be called when using something such as Shift+F1 or Ctrl+Esc. Note: ...

Blueprints not marked dirty when variables in referenced actors are renamed

Blueprints using renamed variable do not indicate that they need to be recompiled. (However errors are shown on play) It is possible to not see an error if you add a variable with the same name as ...

Intermittent Crash in Pose Search during Cook

User reports that they've been running into an intermittent crash in Pose Search during Cook. Pose Search attempts to index data outside the bounds of an array. Based on the logs, each asset seems t ...

Crash on Galaxy S7 devices with Mali GPU (SM-G930F / SM-G935F)

Crash upon taking a screenshot on Gear VR

Using the shot console command or the RequestScreenshot function to take a screenshot in Gear VR causes the app to crash. This was tested on Android-19, ETC-1 configuration, with both Developer Mode ...