Resizing panels causes ghosting/shifting of contents during drag

UE - Rendering Architecture - RHI - May 13, 2022

Resizing the editor window or any floating panel causes the panel contents to jitter during drag.   See attached images.  The jittering one is from Main and the normal behavior was captured in UEFN. ...

External event dispatcher bindings are duplicated along with instances in the level editor.

UE - Gameplay - Blueprint Editor - May 12, 2022

Event dispatchers (i.e. delegate property values) are currently copied to the new instance when users copy/paste/dupe actors. However, this means that if you have an instance whose dispatcher is dy ...

GetMouseX returns stuttering value if ShowMouseCursor is enabled

UE - Gameplay - Input - May 11, 2022

Showing the mouse cursor and holding down the left mouse button while dragging will cause the MouseX event to broadcast incorrect axis values.  ...

Screen Space Reflections have a visible lag on opaque materials compared to transparent/additive materials.

UE - Graphics Features - May 10, 2022

Screen Space Reflections have a visible lag on opaque materials compared to transparent/additive materials. See [Link Removed] ...

Ensure tripped: "Template Mismatch during attachment."

UE - Gameplay - Components - May 5, 2022

Inconsistent ListView entry sizes can prevent the ListView from being scrolled to the bottom

UE - Editor - UI Systems - Slate - May 4, 2022

Since the contents of a ListView are virtualized, the ListView estimates the size of the scroll box's contents based on the on-screen elements. This can lead to some situations where DistanceFromBot ...

Selecting other components after selecting a Spline Component's control point keeps the transform gizmo and functionality at the Spline Control point

UE - Editor - Workflow Systems - May 3, 2022

Selecting other components after selecting a Spline Component's control point keeps the transform gizmo and functionality at the Spline Control point Repro Rate: 4/4 Tested this in //UE4/Release-4 ...

SpeedTree asset import data seemingly not marked editor only object

UE - Editor - Content Pipeline - Import and Export - May 3, 2022

Licensee reports log spam when running editor in -game mode, complaining that a SpeedTreeImporter plugin object can't be loaded. This would be because some UObject defined by the SpeedTree editor p ...

Scrubbing material roughness value in MI causes large frame drops

UE - Rendering Architecture - Materials - Apr 30, 2022