TTartisan and 7artisans will announce several new lenses in 2 weeks and one of them will be the TTartisan 90mm f/1.25 lens for Leica M-mount:
See the full list of upcoming lenses at PhotoRumors.
7artisans already has a 75mm f/1.25 lens for Leica M-mount – see the previous lens coverage here and here.
Update – here is another picture of the upcoming lens:
Announced: new TTartisan 90mm f/1.25 lens for Leica M-mount, available for pre-order