No trace of DX-12 in the development update… last recorded wishlist sais “2021” and “started” at #6:
#01 1697 votes | Implement Weather and Terrain APIs | Under Investigation | 2021-22
#02 1550 votes | Chinese Localization | Started | 2022
#03 1521 votes | Helicopters are a Must | Planned | 2022
#04 1420 votes | Multiple Screens Functionality | Started | 2021-22
#05 1255 votes | Replay Functionality Missing | Started | 2021
#06 1154 votes | DirectX12 | Started | 2021
#07 972 votes | Scenery Gateway System (Community Content) | Not Started | 2021