According to multiple sources from 43R, there will be a Panasonic announcement for Lumix GF7 & Lumix G7 cameras on April 9th. The specs of Lumix GF7 & Lumix G7 haven’t leaked yet but ThePanasonic Lumix GF7 & G7 is likely to be announced next month.
Both, the new Panasonic Lumix GF7 & Lumix G7 cameras could be announced on the same day. Also both cameras will be slightly bigger than the Lumix GF5 and Lumix G5 predecessors.