Originally Posted by
GrumpyDiver
I can confirm that Panasonic does release firmware updates to their lenses and these can be installed by mounting the lens on the camera body. This has been available for a couple of years. The most recent update I ran on one of my lenses allowed the camera / lens combination to use both in-lens and in body image stabilization at the same time. In the past, the only time in body stabilization was triggered was when the camera detected not in-lens stabilization mechanism.