Unreal Engine Issues

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

game terminated on android device when connect or disconnect usb dongle

The game crashed when the USB Dongle is connected or disconnected. Games that made by other engines are work fine. Refer to the attached video for the reproduce. ...

PhysX crash when SetMaterial is called

When provided sample project is run in PIE, crash occurs after call to SetMaterial() is made in code. Downloadable Project: [Link Removed] CrashReporter: [Link Removed] ...

Crash on clicking Column Header in visRT window

The Engine will crash when you run the visRT command in Editor and click on an item in the visRT window and the click on a column header. also Reproduced in Main Promotable-CL-2513846 [Link Remove ...

Copy, Paste and Hover a Material Layer Blend Node causes Crash

In the Material Editor, if all Live Previews are turned off, copying and pasting a Material Layer Blend Node will crash when the tool tip is being processed. Also Reproduced in Main Promotable-CL-2 ...

Opening a widget blueprint on Linux causes editor to crash

The editor crashes when attempting to open a widget blueprint. ...

Crash when launching dx12 for the first time with Rect Lights

Users on the forums are hitting a crash on their initial launch of the engine into dx12. There is currently a workaround to load into the project with dx11 first, compile shaders, then youre fine to ...

Crash launching UE4Editor.exe from cmd.exe with -dx12 argument

My Nvidia driver is our current approved driver: 378.49 ...

GameCenter does not login on Match3 startup on iOS

When launching on or opening a packaged UnrealMatch3 project GameCenter does not login for the paired account. This causes Leaderboards and Achievements to appear blank. Tested on iPhone6s_6240 OS: ...

BP - Exclusive nativization will fail at cook time if a BP class includes a ChildActorComponent with a Data-Only BP set as the ChildActor class.

Note: This does not occur when the nativization mode is set to "Inclusive" in the Project settings. Current workaround: Ensure that the ChildActor class is NOT a data-only Blueprint, by adding scri ...