Steam – 2019 Year in Review is now online in the Steamworks Developer Group
A post entitled “Steam – 2019 Year in Review” is now online in the Steamworks Developer Group, detailing the major updates and features added to Steam in the past year, and highlighting a few targeted for release in 2020.
Link for that is here:
https://steamcommunity.com/groups/steamworks/partnerevents/view/1697229969004830849