They are critical especially steps 1, 2 and 3.
#Adobe lightroom cc update pro
#Adobe lightroom cc update update
The updates for all three apps went live today, so head to your Adobe Creative Cloud desktop app (or respective app store) and update your programs.You can manually update by downloading the update (6.10 link below) and then installing, or something more drastic.
#Adobe lightroom cc update full
You can find a full list of cameras and lenses supported by Adobe products here and here, respectively.