The firmware update is the future.
Fujifilm made a slick marketing video for firmware version 4.0, treating it like a new camera release. Leica didn't go that far, but it was treated as an
event and it should. Like Fujifilm, Leica's camera cycle is slower than other major manufacturers so the firmware update is the best way to keep a camera up-to-date and competitive within their own eco-system as well as the competition's. The Leica T has had at least 3 major firmware releases, as well as smaller in-between touch-ups. We are currently at firmware version 1.4.3, and I hope there are plans for more. On my most recent Youtube video, I tested the latest firmware against the previous version. Here are the most noticeable changes:
