There was an effort to update the 12factor principles but reading this you can see how well the factors have held up over the 15 years they’ve been out there.

Containers have changed everything, but still the principles are the same.

https://lukasniessen.medium.com/the-12-factor-app-15-years-later-does-it-still-hold-up-in-2026-c8af494e8465