Not true. V12 UI is the one with the big 3D car model. V12 FSD/Autopilot is unrelated.
Year.Week.Bugfix software releases are a combination of both these things.
2024.14 contains UI 12 + FSD 12.3.6
2024.9 contains UI 11 + FSD 12.4
2024.8 contains UI 11 + FSD 11
2024.14 upwards contains both...