The new 90mm ‘medium telephoto’, currently under development, is due out in mid-2015, as is an XF 16mm f/1.4 R.
While, the XF 16-55mm f/2.8 WR is scheduled for next spring, and a ‘super telephoto zoom’ is due at the end of 2015.
Expected out at the end of 2014 is the XF 50-140mm f/2.8 R OIS WR.
For further details, see HERE