I'm expecting during Disney Investors Day on March 9th that we'll get the official opening day. We only heard memorial day weekend by mistake from that guy's instagram. I still assume it'll be opening that weekend, but Disney is still using Summer 2022 as of now and I think that's when we get the official announcement.
March 9th isn't long before i'd expect this ride will be having Cast Previews and then potentially Club 33, Golden Oak, DVC and AP following.