bloo
1
OnlyOffice oficially removed the limitation of 20 simultaneously opened documents in v9.4, mong other things, but also a licence update.
Please add a reference to your post.
bloo
6
…and they also removed Nextcloud from their README. 
and
Yes, they are upset about the Euro-Office initiative forking them and challenging their illegal license restrictions.
https://www.neowin.net/news/onlyoffice-suspends-nextcloud-partnership-over-unapproved-euro-office-fork/