Update: At Photokina 2018, Sony announced they will release 12 more E-mount lenses, and AI on Sony cameras, Animal Eye AF mode.
You can watch live streaming event of Sony Photokina 2018 here.
Panasonic will soon announce two new Full Frame Mirrorless Cameras on September 25th ahead of Photokina 2018. According to rumors, Panasonic Full Frame Mirrorless Cameras will have IBIS and 4K@60p. This will the serious competitor for upcoming Sony a7S III. What Sony a7S III need to fight back is the 4K@60p, and other great video features. Previous rumors also said a7S III will have 4K@60p and HDR Video. According to latest rumors, a7S III is rumored to be announced in October, 2018, stay tuned for more info.
As Photokina 2018 is coming soon, Sony also launched a web page for this event on September 26 to September 29. Tomorrow, Sony will probably announce two new FE lenses: FE 24mm f/1.4 GM Lens and FE 135mm f/1.8 GM Lens. And after Photokina 2018, Sony will announce a7S III or a6700/a6800/a7000 before PhotoPlus EXPO in late October, 2018.
Photons to Photos has added Canon EOS R and Nikon Z7 to their database. Here is a read noise comparison on Sony a7R III (Amazon/B&H Photo/Adorama/Focus Camera) with Canon EOS R and Nikon Z7, from the result we can see that Sony a7R III has less noise overall that Canon EOS R and Nikon Z7.