Panasonic LX3-TZ6/ZS1-TZ7/ZS3 firmware update

Panasonic releases a new firmware update for the DMC-LX3, TZ6/ZS1 and TZ7/ZS3 digital cameras. The latest firmware update version 2.2 and 1.3 resp. offers this improvement: “…Optimization of software processing. *Change in software version has no effect on camera performance…” Your guess is as good as mine as to what the update actually accomplishes…