Upgraded to Fedora 40 Two Days Ago
It was a 20 minute download + 30 minute upgrade with only 1 click. There have been zero issues of any kind and it was the smoothest OS upgrade I have had. It is the best decision I have ever made regarding software choices!
If you would like to know the details about Fedora 40 (and the new Kernel), this video from DJ Ware will have your covered: