According to fujirumors.com the firmware update for fuji X-T1 will be officially announced in the mid-December. The new update will feature a silent electronic shutter as well as several other improvements.
They also listed that the firmware update for X-E2 will be available in the same time period but it is not sure whether the two updates will be released on the same day or different. It is expected that the X-E2 update will bring classic chrome and the electronic shutter but no confirm news is available. A lot more updates for several cameras are about to come from fuji.