Unreal Engine Issues

Iris - Server fails to send client initialization RPCs after seamless travel if the client finishes travelling first

During seamless travel, when a client loads into the destination level it will call APlayerController::ServerNotifyLoadedWorld, including when it finishes the travel before the server. When the serv ...

LWCLength precision issues

Large World Coordinates tile-offset position data can result in artifacts far from the world origin, when using it as input for mathematical distance field generation. This can be mitigated by demot ...

Camera behavior during "Orbit Pan Mode" (Alt+MMB+Drag) is wrong while piloting an actor

In the Level Editor, dragging the mouse while the "Alt" key is pressed performs one of the "Orbit" movements: OrbitRotation, OrbitPan, OrbitZoom. The same can be done while Piloting an actor. Howev ...

When Adding Custom Bindings, get ensure that "Multiple persistent shared references detected for Sequencer..."

Ensure: Error    LogOutputDevice      Ensure condition failed: SequencerRefCount == 1 [Link Removed] [Line: 967]  1. Error    LogOutputDevice      Multiple persistent shared references detected f ...

LevelSequenceActor transform offset for Sequencer lost on value changed

Toggling Lock, Pin, Ignore on subsequences or adding new transform key on a character inside a subsequence the Actors lose the LevelSequenceActor transform offset they have at preview and go back to ...

Skeletal Meshes created in Unreal with only a root bone do not export correctly

Can not paint vegetation with brush diameter of 1m or less

Unshelving a file from Unreal locks unreal. Killing process leaves the file locked and can't be checked out

Unreal currently locks any assets that are loaded. Actions such as "revert" from within the editor handle this properly by unloading the asset but unshelving from within the editor does not respect ...

Remote members not correctly removed from lobby

While the OnLobbyMemberLeft event does seem to be fired correctly, the remote member will still be in the lobby's "Members" map, and its data can still be found in FLobbyClientData::MemberDataStorag ...

Updates to DesiredFocusWidget for a UserWidget are not propagated to existing instances of it inside the WidgetTree of other widgets

This issue has been reproduced in UE 5.3 to 5.7 and source versions. A repro project is available. Below are the findings from an initial investigation of the problem. Normally, when a UserWidget p ...