Bit late but managed to drag my brother along to an IMAX screening last week.
As people who generally do not go to the cinema even before the pandemic, (last time was the Matrix sequels in 2003) I have to say the experience more than met our expectations and then some.
From the numbers it seems they made the correct decision by keeping this one in the can until it was able to be shown in cinemas and it absolutely deserves to be experienced in the best available format possible. I'll be waiting for the 4k UHD bluray release also.
As a soundtrack/score guy I was disappointed that the OST release is missing several scores and cues, apparently one of the most important scores is available on the Japan release as a
Can only hope they release an expanded ST and that it doesn't turn into another Tron Legacy OST debacle.