Fujifilm updated the X-Pro1 camera (2.03), X-E1 (1.04), and XF 35mm lens (2.02) firmware this week.
The camera updates allow for compatibility with the 14mm lens that's now shipping here in the US. Both updates improved auto focus performance, and the X-E1 update fixes a problem with remote releases and adds optimizes performance for the MIC-ST1 microphone.
The lens update improves the accuracy of auto focus.