The Autumn Sale is now underway on Steam, offering deals on loads of games between now and December 1st, so this will span both Black Friday and Cyber Monday. This coincides with the launch of community voting for the fifth annual Steam Awards. Finally, Valve is also now offering Autumn Sale artwork in the Points Shop. Here are the details from this post:

The 2020 Steam Autumn Sale is now live, with great deals across the Steam catalog through Black Friday and Cyber Monday, ending at 10am Pacific on Tuesday, December 1st. Discover featured titles and franchises, personalized recommendations, plus browse top titles by tag when you shop the Autumn Sale now!

Steam Awards Nominations Open
Join us in our fifth annual Steam Awards by nominating your favorite new games of 2020 across 10 categories, and earn profile XP and badges for participating! Your nominations will help determine the finalists for each category. In December, you can vote on the winners for each category during the Steam Winter Sale. Select your nominations today!

Autumn Points Shop Items
We are also making the Autumn Sale art available in brand new animated Points Shop items, including a new Autumn profile, all available now. Additionally, the Debut Collection Badge will be removed from the Point Shop on December 9th @ 10am Pacific. This is your last chance to level up your Debut Badge.