Bridge for QGIS 5.0 features a complete redesign of the UI and UX:

• The modal Bridge dialog (Publish/Servers/About panels) will move to a dockable window.
• The Publish panel will disappear. Instead, there will be a "GeoServer explorer" that shows the (published) layers in a workspace.
• The 1:1 relation QGIS Project <-> GeoServer workspace will disappear. Users can publish to any workspace they like.
• Users will be able to add new layers to an existing workspace (preserving all existing layers and styles).