Sorry this is totally erroneous. Bitwig 2.2 came out today. 

On Oct 11, 2017 10:42 PM, <notify@aur.archlinux.org> wrote:
djsavvy [1] filed a orphan request for bitwig-studio [2]:

Been out of date for several months.

[1] https://aur.archlinux.org/account/djsavvy/
[2] https://aur.archlinux.org/pkgbase/bitwig-studio/