Unreal Engine Issues

Shadows of small movable components popping out

This must be a regression ...

Level export to FBX with actor X axis negative scale has issue in 3ds MAX

The fbx exporter set the fbx axis system like 3ds max, so the max importer is not converting the incomming transform. see: ...

Niagara : incorrect rendering on D3D12 when rendering a very large number of meshes

The input argument of DrawIndirect for Niagara meshes, which is made by ComputeShader, may be invalid. This problem does not appear with -onethread command line option. ...

Source control commandlets do not consistently check provider status for read only or checkout and instead rely on read only state of files

Particle disappears if it is using PSA_Velocity and setting custom time dilation 0

A licensee reported some of their particles disappear when setting the actor's custom time dilation 0. This seems to happen when a particle is using PSA_Velocity as Screen Alignment. This repros in ...

Widget blueprint details panel appears to jitter when dragging widgets in the designer tab

When clicking and dragging a widget in the designer tab of a widget blueprint some options in the details panel will begin to move/shake/jitter/readjust. ...

Android Vulkan SM5 crash at startup

Callback ID lost while using the webview

This is a licensee UDN: [Link Removed] I've reviewed the javascript/native bridge code and I don't see anything obvious.  The fact that it can happen on both mobile platforms might point at some hi ...

Actors with bGenerateOverlapEventsDuringLevelStreaming don't get EndOverlap event during BeginPlay

Custom Water Body does not work with its own Distance Culing

WaterBodyCustom seems not to work with Distance Culling settings on its own actor, either Draw Distance/Never Distance Cull or Allow Cull Distance Volume.  It only can be controlled by the CullingD ...