Unreal Engine Issues

Strange intermittent CCD behavior on constrained physics bodies

There is some strange issue with CCD where constrained CCD objects can get velocity nulled when hitting things while constrained, its very hard to reproduce normally in engine but happens often in V ...

Importing animation onto a camera in Sequencer adds extra keys to the scale and rotation attributes

When importing non-baked animation (i.e. not keyed on every frame) onto a camera in sequencer, Unreal adds extra keys to the rotation and scale attributes as if it is baking the rotation and scale a ...

Camera Switcher Import option not functioning properly

In UE 4.20 we got a feature that let you import a FBX file that contains cameras with a camereaswitcher to create a "camera cut track" within sequencer. From the release notes of 4.20: https://docs ...

Creating a Blueprintable Struct that contains a Tmap results in Editor Crash

Any blueprint with a TArray of a struct containing a TMap crashes the editor when adding elements ...

Crash enabling Landscape Layers in editor with -Vulkan

The following fatal error occurs:[2019.07.19-19.41.13:425][975]LogWindows: Error: Fatal error: [File:E:/Workspaces/Main/Engine/Source/Runtime/RenderCore/Private/RenderingThread.cpp] [Line: 836] [2 ...

Moving Folders will result in an empty duplicate folder being left behind

When moving folders in the editor a duplicate empty folder appears to be created in the location of the original folder. ...

Failed to find stub IPA when uproject name is changed from default

Failed to find stub IPA when packaging for iOS. This also happens with File > Package > iOS.IPP ERROR: Failed to find stub IPA 'D:\FaceARSample421\Binaries\IOS\FaceARSample421.stub' Regression: Yes ...

[CrashReport] UE4Editor_D3D11RHI!VerifyD3D11Result() d3d11util.cpp:251

Web browser widget does not receive input when used in a 3D widget component on Android

Web browser widgets to not receive input when used in a widget component on Android devices Update: Oculus Quest devs attempting to implement and interact with the web browser widget via widget i ...

DebugCanvas handling Windows HighDPI scaling incorectly

Change windows DPI scaling to something other than 100% causes the DebugCanvas to display incorrect position and text size. ...