v3.1.0

* update dev deps (the-j0k3r)

* rename option label (the-j0k3r)
* upstream fixes what wasnt broken and broke it (the-j0k3r)
* mix-blen-mode: upstream broke it again. (the-j0k3r)
* feature preview fixes (the-j0k3r)
* add yet another two css vars (the-j0k3r)
* retweak stale files tab refresh btn (the-j0k3r)
* add option to realign user status (the-j0k3r)
* update readme (the-j0k3r)