There was some online chatter that only the US will be getting the manual, but it's also listed on Canada's press release.
http://media.toyota.ca/releases/toyota-gr-supra-adds-manual-transmission-and-enhanced-drive-dynamics-for-2023
There only have been hand full of leaks via dealers. There could be more, but the top two I can think one was when someone had leaked 6th gen Camry from a dealer meeting and more recently when a dealer had leaked images of the 3rd gen Tundra.
No doubt the Z has a huge fan base. They're going to sell good in the first few years. The real question is will Nissan give it proper updates to keep sale numbers from tanking as seen with the 370Z.
Much easier on the eyes. To bad they couldn't stamp the door as one piece and then tack on the fake vent.
I wondering if Russia's war will effect the timeline.