Here is the response from Panasonic about firmware update and working with a GF1. " Dear Valued Customer Case Number: 28929728 Thank you for your inquiry, we are happy to advise you that the lens will be compatible with your GF1 and there will be a Firmware update made available so you will most of the lens' functionality. We hope this information is helpful to you. Thank you for contacting Panasonic.
Totally agree! first is was great to finally receive news that there will be a quality medium zoom and now they wont update the firmware. Hacking?