Canon 5D Mark III to Get New Firmware in April
The Canon 5D Mark III will be getting uncompressed HDMI and better AF performance in the new year

Canon has been on a bit of a roll with firmware releases over the last few months. Since August, they’ve released update for the 1D X, the 40mm f/2.8 lens, and the 7D. Now, Canon 5D Mark III shooters are up, but they won’t be seeing the update until April.
The planned firmware update will add two major tweaks: uncompressed HDMI pass-through for video, and cross-type focusing up to f/8. This is the same AF tweak that Canon recently released for the 1D X. Here’s the official description of the changes: