New
Grid mode: work in several sessions at once
Press Cmd+Shift+G on Mac, Ctrl+Shift+G elsewhere to turn the session you are in into a grid, then split a pane to put another session beside it. Each pane is a full session: type, run the terminal, open the side panel, and it pulses when its session needs you while you work in another pane. Swap panes with Cmd+Option+Shift+Arrow (Ctrl+Alt+Shift+Arrow elsewhere) or drag one by its grip, zoom a pane, or switch back to tabs at any time.