I found the Golden Chaos package to offer too much and instead just spent a bit of time setting things up to my liking, and now I couldn't do without the Touch Bar!

- dock widget that shows open apps and allows me to switch quickly.

- Spotify widget that shows current track/album (with art) and controls.

- a custom date/time display that also shows the week number.

- battery level with 'time-to-full-charge' indicator.

- mute button.

But even more useful are the swipe gestures I added: two-finger swipe anywhere turns the entire bar into a volume control, and a three-finger swipe does the same for brightness.

BTT offers a ton more though.

I have a few gestures configured for the trackpad. three-finger up and down for brightness and shift + three fingers for volume if I'm too lazy to go for the touchbar. And I use a weird four-finger tapping gesture for mute and to lock my laptop ('rap' my fingers from left to right to mute, and from right to left to lock).

Then there's window sizing and, if not for Keyboard Maestro, app launching via keyboard shortcuts.

Anyways, I occasionally miss the function keys, but what the Touch Bar can do now provides enough to offset that.