No. Paratext 8 and Paratext 9 share the same data structure, so projects won’t require migration from Paratext 8 to Paratext 9. Members working on a shared project can use Paratext 8 or Paratext 9 and share changes with each other.
Important Announcement for Paratext 8 Users
Please read our important announcement for Paratext 8 users. Ongoing support for Paratext 8 ended on Dec 31, 2021. Paratext 8 will continue to work with Paratext 9, but our focus is now on improving Paratext 9.
We hope you are able to upgrade to Paratext 9 soon.