Floating Mini Panel GNOME extension now has a vertical panel option, an orientation which feel up (a bit of) screen space on widescreen displays.
An update to the Floating Mini Panel GNOME Shell extension is out, adding the ability to move the compact panel to a different part of the screen by clicking.
A new version of the nifty Floating Mini Panel GNOME Shell extension is available, and adds the sought-after ability to show/hide indicator and applet icons.