This was unofficially announced earlier (see my earlier article at: https://eogn.com/page-18080/10134146) but today MyHeritage published the official announcement. It is a "done deal" The transaction was signed on February 24, 2021, and was pending regulatory approvals, which have recently been received, and hence the acquisition was completed today.
All the details may be found in the MyHeritage Blog at: https://blog.myheritage.com/2021/04/myheritage-acquired-by-leading-private-equity-firm-francisco-partners/.
The summation in that article states: "Going forward, MyHeritage will remain the same family history company that you have grown to love. Our mission remains unchanged and we will continue innovating to make family history more fulfilling, enjoyable, and accessible."