This is great - typing this from a X1 7th gen where on Ubuntu 20.04 LTS the internal microphone still does not show up and the 4.0 speakers sound way too crisp (after I upgraded from 19.10, might need to do a fresh installation).
One thing to note, as Manjaro is a rolling distro, don't be surprised to download about 400Mb per day in updates
Every other desktop distro has shit the bed after an update for me.
If they provided a semi-rolling release, now that would be something i'd be interested in
If you waited to apply updates once every 3 months you'd be fine.