Preorders:
GH6 at BHphoto, Amazon, Adorama. In EU at Fotokoch DE, Calumet DE, Foto Erhardt DE. WexUK, Park UK.
Ordinary Filmmaker summed up well why the GH6 doesn’t feature phase detection AF:
P.S.: Dpreview just explained what is the dual gain on the GH6 and how it works