Grouped Sidebar Navigation
The left sidebar keeps an always-visible Favorites strip and a Frequently used section ranked by in-app visits, plus the grouped two-level rail.
OL Edge organizes its navigation as a two-level sidebar: a compact group strip and an items panel listing the destinations inside the selected group. The panel shows inline when the sidebar is expanded, flies out when the rail is collapsed, and becomes a drawer on small screens. Items appear only when the signed-in user's personas and enabled app features allow them.