Sony have released firmware updates for several cameras from the SLT and NEX range.
The updates were first announced on the Sony Japan site
but they are now available on Sony's Europe site
You can enter your camera's model number or select a product category, Series and Model to find the update that's relevant for you. Cameras on the firmware update list include the Sony Alpha A99V DSLR which ePHOTOzine reviewed
in December 2012.