Scrcpy recently added support for Virtual Display. This allows connecting your phone at any resolution e.g. 1920x1080. But vanilla android by default does not have a taskbar in that mode.
What's strange is that vanilla OS does show a taskbar (tablet mode) if you increase DPI to 600+. Theoretically you can get a taskbar now only if tablet mode taskbar could show up in secondary virtual displays.
https://github.com/Genymobile/scrcpy/blob/master/doc/virtual...