According to Nokishtia Camera, a famous international news site has already posted the a9II announcement as a draft, which means official announcement should be very soon, could be as early as today. And reviews of Sony a9 II has already started. Stay tuned.
Translated from Nokishita Camera:
An article about Sony’s announcement of α9ii on a famous international news site was previously registered in a private setting. There may be a draft, but it seems that preparations for the presentation are in progress.