This is per sources quoted by Variety, who claim that the stars had finally aligned some time around the aftermath of the 2020 action epic, when Nolan was picking his next project to pursue. It was reported back at the time that Nolan was having meetings with Broccoli and Wilson,

Christopher Nolan reportedly considered making a James Bond movie after Tenet. However, he ultimately turned down the offer when it was made clear he wouldn't have the final cut on the film. According to Variety's new report into the news that Bond would be transferring over to Amazon MGM Studios,

Amazon MGM Studios taking full control of the James Bond franchise could give Christopher Nolan the chance to make his own take on the franchise.