Unreal Engine Issues

nDisplay - UMG widgets sync

As soon as the widget was visible on the node/display at least once all nodes/displays receive the button press and correctly increase the counter. Therefore it seems like the widgets are only initi ...

Renaming a Blackboard Key removes it's references in the Behavior Tree

Renaming a Blackboard Key removes it's references in the Behavior Tree ...

StructUtils plugin's `FInstancedStruct` in a CPP-defined struct in a `TArray` on an actor component defined in CPP and implemented in BP. Populating the instanced struct in an actor BP's class defaults breaks serialization of the class defaults.

Context Instanced structs are great for holding simple data with the main advantage they have is a low memory overhead unlike instanced objects. Problem The problem is in StructUtils plugin's `FIns ...

Vulkan crash on Android when suspending and resuming app

Regression: Cannot import Landscape Layer Weightmap along with Heightmap because of broken resolution check for tiled images.

When working in the "Landscape" editor mode, in both the "New" and "Import" tools, it is possible to import a single heightmap, as well as a weightmap for each layer. Each of these maps can come fro ...

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 ...

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] ...

Linux crash when Exporting content

When the ExportAll window is opened, changing the file type filter and attempting to edit the chosen file field causes the editor to crash. ...

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 ...

Extreme hitching when using profile command (stat startfile) + other stat commands

Running the "stat startfile" command in a 4.19 project causes constant editor hitching. Running the same command in a 4.18 project does not produce any hitching by comparison. ...