Short answers, pulled from the story.
The Beatles: 50th Anniversary Edition is an expanded reissue of the 1968 double album by the Beatles, featuring a new stereo remix by Sam Okell and Giles Martin and fifty previously unreleased studio recordings. It was released in November 2018 to mark the album's fiftieth anniversary.
The Beatles: 50th Anniversary Edition was released on the 9th of November 2018. The date was chosen to coincide with the fiftieth anniversary of the original album.
The Beatles: 50th Anniversary Edition was remixed by Giles Martin as mixing supervisor and Sam Okell as mix engineer. Giles Martin is the son of George Martin, the original Beatles producer, who died in 2016.
The Beatles: 50th Anniversary Edition includes fifty previously unreleased studio recordings and Esher demos recorded at Kinfauns, George Harrison's house in Esher. The seven-disc super deluxe edition adds three CDs of outtakes and a Blu-ray disc to the package.
The Beatles: 50th Anniversary Edition peaked at number 6 on the US Billboard 200 chart in 2018.
The super deluxe edition of The Beatles: 50th Anniversary Edition received an aggregate score of 100 out of 100 on Metacritic, based on 11 reviews. Metacritic defines that rating as indicating universal acclaim.