We will look into this, we have it on our roadmap!
We just released the official v2.11.2 with fixes for Preconditioning, headlights, AutoHigh beam and a lot of other features and fixes.
Yes, you can control the Hazard lights.
Recently we didn't update the Commander or the buttons so it doesn't matter. There was a limited old HW in November last year but it's long over.
Yes! You can change it even if it's not present on the Tesla Main Screen.
Off-road assist is also coming to all vehicles soon which could be used as Snow Mode! Stay Tuned!