I am not sure what this is supposed to be announcing. I have been using the hosted nextcloud from Ionos for a few year and I can say the experience has not been good. The nextcloud version is outdated by several years, the store is locked and the service minimal.
That being said it was the most competitive provider I could find for nextcloud + collabora as a service (not all provider include it, hetzner does not)
Though I love nextcloud and I switched to a new provider this month, the office apps still need work,the se patate server they require make the ecosystem difficult to read. Still overall I am very happy to see this kind of things surfacing, as nextcloud is a very nice alternative to gsuite or o365 with a lot of avantage. Just don’t go with the Ionos version.
Pretty much, though collabora is sold for a few additional euros/month. Not all providers for hosted nextcloud have a solution for the office apps (collabora or only office) so i’ve found it to be Ionos main advantage, along with very nice storage space for the price