New rules for D&D as Wizards of the Coast test new feats while, behind the scenes, they recruit for a diversity manager. Alternative rules to 5e's race system take the best-seller slot at DriveThruRPG's big sale too.
The Savage World of Flash Gordon is a Kickstarter 2017 success and is based on Alex Raymond's original comic with nods to the 1980s movie too.
To make this list an RPG has to be in the top ten sellers (Jan 1st to Dec 11th) of all the games the publishers have added the 'pulp' genre tag too. This means we've games that are solidly in the pulp genre, systems which could but don't have to be used for pulp RPGs and even games you might not consider pulp at all.