This is Noble rom, an android 12 custom rom for the Galaxy Note 9 and S9 by AlexisXDA on XDA. It has some bugs but nothing that's deal breaker, some stuff have
ROM][7.0][TW][Exynos][Stable]Refined Nougat N7FE Port 6.0 | XDA Forums
Best ROMs for Galaxy Note 8
NOBLE ROM 3.2 PIZZO OneUI 5.1 FULL PORT][03/23 Patches][14/03/2023][SM-N960F/FD/N--SM-G96xF/FD/N] | XDA Forums