Yesterday the SAO official website announced (1, 2) that the Sword Art Online the Movie -Progressive- Kuraki Yuuyami no Scherzo movie and the soundtrack release date, originally to be released on September 9 and 10, 2022 respectively, will be postponed due to covid, and the new date will be announced sometime in the future.
thanks to kugayama, grunty for the news!
[Sept 6 Update] The SAO anime twitter has announced (1, 2) the new release dates!
October 21, 2022 for the Soundtrack
October 22, 2022 for the movie