Which, like Origin Access from EA, will offer players access to a wide library of Ubisoft games for a monthly fee - starting September 3, 2019, for Windows PC. As per the release Uplay+ will feature over 100 games including new and old titles plus access to premium edition content and additional DLC. Local pricing is not yet available, but will be €14.99/month when it debuts.

As per detail below it will basically include access to every Ubisoft thing there is.

Upcoming Releases: Watch Dogs: Legion, Tom Clancy’s Ghost Recon Breakpoint, Rainbow Six Quarantine, Gods & Monsters and more.
Latest Released Games: Tom Clancy’s The Division 2, Assassin’s Creed Odyssey, Tom Clancy’s Rainbow Six Siege, Far Cry 5, Anno 1800 and more.
Classic Ubisoft Titles: Titles from the Far Cry and Rayman franchises, Prince of Persia, Tom Clancy’s Splinter Cell, Beyond Good & Evil and more.
Beloved PC Franchises: Heroes of Might and Magic, Silent Hunter, The Settlers, Anno and more.

“The video game industry is constantly shifting, and our players’ needs are evolving. At Ubisoft, we are committed to offering our players the best experience and the opportunity to discover the different worlds we’ve created for them. With Uplay+, we are able to provide more freedom for players by making it even easier to access our extensive catalogue,” said Brenda Panagrossi, vice president of Platform and Product Management.

Sign-ups for the service are open now via the Uplay site where players will get the first month of access for free.

Including all DLC and add-on content for games is great move, so in terms of value it really comes down to price. We'll have more info on local pricing as it's made available.