Unreal Engine Issues

ES3.1 preview causes temporary freezing when selecting objects in the viewport on Mac

The editor will freeze for seconds at a time when selecting between objects in the viewport after using ES3.1 preview on a Mac. ...

Package Failed with VS2019

Error Log: UATHelper: Packaging (Windows (64-bit)): CSC : warning CS1685: The predefined type 'System.Runtime.CompilerServices.ExtensionAttribute' is defined in multiple assemblies in the global al ...

Fail to trigger event because no director instance

Camera FOV Above 90 Causes Landscape LODs to Flicker

Camera FOV Above 90 Causes Landscape LODs to Flicker Found in 4.20 CL# 4369336, 4.21 CL# 4753647, 4.22 CL# 5660361, 4.23 CL# 5934407 ...

[CrashReport] UE4Editor-Engine!DispatchCheckVerify<void,<lambda_e205e9c0fac6b0a76eca57fba4782bc6> > [AssertionMacros.h:161]

Generated from CrashReporter ...

Editor crashes when re-opening a project that had previously successfully applied a Live Coding patch

The Editor will crash while opening a project that had previously successfully had a Live Coding patch applied, and then was closed. The `LiveCodingConsole.exe` process continues to run after both t ...

Landscape: When updating Physic Material on a landscape layer info object, the physic material is not propagated correctly

This will result in not getting the Phys Material when doing collision query. Info from the UDN "Having stepped through the ULandscapeLayerInfoObject::PostEditChangeProperty I can see that the U ...

StaticMesh Lod Sections use wrong materials after cleaning DDC and regerated from RawMesh

AR Handheld Template crashes when launched on to Android device

AR Handheld template appears to close immediately after opening on Android device ...

Editor UI does not scroll correctly for the Landscape Paint tab

The Target Layers Scrollbar UI for the Paint section of the Landscape tab does not scroll completely to the last element. Tested in 4.21.2 (CL - 4753647), 4.22 (CL - 5159901), 4.23 (CL - 4980862) ...