Unreal Engine Issues

Opaque material assigned to a Material Billboard attached to a Pawn renders differently against the Sky/Infinity when moving

This is a regression. Tested in //UE4/Release-4.27 CL18319896 Opaque material assigned to a Material Billboard attached to a Pawn renders differently against the Sky/Infinity when moving. Tested ag ...

Adding a variable to a Structure after packaging then repackaging causes the package to fail

This is not a regression. Tested in //UE4/Release-4.27 CL18319896 Adding a variable to a Structure after packaging then repackaging causes the package to fail. ...

SceneRender Memory leak on MacOS

SceneRender seems to be constantly leaking memory. It only reproduces on MacOS and doesn't seem to happen when I turn off the RHI thread. [Image Removed][Image Removed] ...

"Hiding Other Developer Assets" does not work when "Show All Folder" is enabled

In the implementation of FFrontendFilter_ShowOtherDevelopers, the developer folder is determined by whether the asset path starts with /Game/Developers/. However, when "Show All Folder" is enabled, ...

Changes to a Custom Primitive Data are not reflected in Android Preview

This is a regression. Tested in //UE4/Release-4.27 CL#18319896 Changes to a Custom Primitive Data are not reflected in Android Preview or Android Vulkan. Using Set Custom Primitive Data Float node ...

Moving a Widget in UMG by dragging the position value results in Stuttering and Jerking

This is a regression. Tested in //UE4/Release-4.27 CL#18319896 Moving widgets within UMG by dragging the position value with any sort of speed results in the widget stuttering and jerking around.  ...

Landscape visibility mask cannot be imported/exported

The ability to import/export visibility mask was available in 4.27. ...

BaseColor of SubSurfaceProfile cannot be obtained when using GBuffer in Niagara.

Multiplying CompleCollision by inverse scale does not create a collision

If multiplying a mesh with ComplexCollision by inverse scale, the geometry may not be created on the mesh. This may depend on the assets of the mesh. In the sample example, the navmesh is not create ...

Undoing parent deletion creates duplicate child actors

Undoing the deletion of an actor with a child actor component added via the details panel (IWCE) duplicates the child actor and the hierarchy is incorrect in the scene outliner. This seems to only h ...