Unreal Engine Issues

Editor becomes unresponsive/freezes when a Geometry Collection is destroyed by a Hit Event while simulating

This is a regression. Tested in //UE5/Release-5.1 CL23901901 When a geometry collection is destroyed by an On Hit event the editor becomes unresponsive and never recovers. No crash is generated. ...

Investigate render flush at SkeletalMeshComponent InitLODInfos

From UDN : we are spawning a number of characters at the same time during the game, and seeing a major framerate hitch when we do so. After the characters have been spawned, we use SetSkinnedAssetA ...

Lumen tile classification flicker

While we suggest using screenpercentage at 25%, it is visible at higher percentages. Video showing the flickering:https://udn.unrealengine.com/s/contentdocument/0694z00000Qw4jPAAR ...

Subsurface shading model is broken when ray traced shadows are used in 5.1+

Volumetric fog rendering gets cut off at the apex for some spot lights when viewed from certain angles

Fix is found in licensee’s pull request:https://github.com/EpicGames/UnrealEngine/pull/10333/files ...

Animation panel does not save docking location after being moved

Moving a static mesh placed across world partition grids does not properly move the foliage instance on it

Trigger Delay Node Does Not Reset When Sent Another Trigger

Trigger Delay is not behaving as described in it's current tooltip, i.e. "Executes output trigger after the given delay time from the most recent execution of the input trigger." Namely, it is outpu ...

TSR: Implement adapative sharpening in the TSRResolveHistory.usf based of the number of pixel accumulated in history

MaterialBaking LocalSpace Issue

See attached project for a good repro ...