Virtual Texture not available in the Material Domain settings of a Material

Rendering - Apr 13, 2021

Virtual Texture is not available as an option for the Material Domain. Even if Virtual Texture support is enabled in the project settings. Tested in //UE4/Release-4.25 @ CL 14469661 and this did ...

Crash when copying and making a button widget the root of a second widget blueprint

Tools - UMG - Apr 13, 2021

Pasting a button element from one Widget Blueprint into a second Widget Blueprint that has had its root Canvas Panel deleted results in a crash. The crash only occurs when the Canvas Panel is delete ...

Is Playing can return false on Sequence's second playthrough

Anim - Sequencer - Apr 12, 2021

Playing a sequence more than once will have an incorrect player status on the first frame.  ...

Collections in content browser can't display native classes on 4.26

Tools - Content Browser - Apr 12, 2021

The filter in UContentBrowserClassDataSource::CompileFilter does not work because the enumerated class objects are FName without path, while the filter item is name with path. [Image Removed] ...

SweepComponent fails against non-root bodies of skeletal mesh component in PhysX

Simulation - Physics - Apr 6, 2021

UDN - https://udn.unrealengine.com/s/question/0D52L00005H9X5XSAV/sweepcomponent-never-returns-a-valid-hit-against-skeletal-meshes-when-using-physx?fromCase=1 ...

Crash when deleting the Add Component By Class node after changing the Relative Transform of the component

Gameplay - Blueprint - Mar 31, 2021

When adding the Add Component By Class node, choosing a class that has a Relative Transform pin, changing the transform, and deleting the node the editor crashes. I tested this with the Skeletal Mes ...

Packaged ThirdPerson template with "start in vr" enabled packaged and launched with "-nohmd" crashes

XR - Mar 31, 2021

The callstack is not XR-specific, it's just the engine trying to secure the audio device on startup, windows failing to return one, and the app not being able to continue safely. The crash does not ...

Crash when adding a Material Layer with a MaterialFunctionCall node to a Material Instance

Rendering - Mar 30, 2021

Adding a Material Layer to a Material Instance that has a Material Function Call node connected to the Set Material Attributes node causes the editor to crash. I tested a Material Layer without the ...

Assert when adding geometry cache asset as a component to a blueprint actor

Tools - Import and Export - Mar 24, 2021

When adding an asset directly to a blueprint, it is not in the streaming components, so the assertion fails when setting the geometry cache. ...