It would be great if there was support for meads. I don't brew beers and only do meads and would like to be able to track my stats using my tilt's. Looks like a lot of the pieces are there.
Water chemistry is complicated. We are working on a feature to make water adjustments as simple as everything else in our app.
SG reading alcohol correction
Compensate for alcohol content when entering an SG reading for a batch. Helpful for users taking readings with refractometers
Multi-step mash profiles
Especially when brewing wheat beers, it would be very helpful to define multiple mash steps.