Based from what we gather on the auto-translate, this video Q&A is from a user who has game crashing bugs on PS4 and wondered if applied to Switch version. Hiroshi suggest those who encounter errors make detailed bug reports to BandaiNamco Support for CC2 to review.
Weekly Famitsu announces in their July 7th issue no. 1751 will have a column on the 20 year history of .hack as well as the "20th anniversary event". Not much is known about this event yet, but you can check the announcement on Kadokawa.
Weekly Famitsu July 7, 2022 Issue No.1751 will hit store shelves on Thursday June 23, 2022 and is available for preorder on Amazon Japan at ¥580 plus shipping. International shipping is available.
Have you heard of .hack//G.U. First Login? It was an audio drama that came out prior to the release of .hack//G.U. Vol 1 Rebirth in Japan on a reservation disc called .hack .hackers Premium in 2006. It's about Ovan hiring some PK'ers to do some wetwork.