Copter-4.6.3 was released as the stable version for multicopters and traditional helicopters on 04-Nov-2025 Release announcement: https://discuss.ardupilot.org/t/copter-4-6-3-released/140596 4.6.3 was re-released on 20-Nov-2025 after we noticed that the version had been left at Beta instead of Stable. A *Note* was added to the top of the release announcement linked above

Tracker-4.6.3 was released as the stable version on 04-Nov-2025 Release announcement: https://discuss.ardupilot.org/t/tracker-4-6-3-released/140598

Plane-4.6.2 was released as the stable/official version for Planes and VTOLs on 18-Jul-2025

Copter-4.6.2 was released as the stable/official release for multicopters and traditional helicopters on 18-Jul-2025 Release announcement: https://discuss.ardupilot.org/t/copter-4-6-2-released/136822

Rover-4.6.2 was released as the stable/official version for rovers and boats on 18-Jul-2025 Release announcement: https://discuss.ardupilot.org/t/rover-4-6-2-released/136823

Rover-4.6.1 was released as the official/stable version for rovers and boats on 19-Jun-2025 Release announcement: https://discuss.ardupilot.org/t/rover-4-6-1-released/135698

Plane-4.6.0 was release as the stable firmware for planes and VTOLs on 21-May-2025 Release announcement: https://discuss.ardupilot.org/t/plane-4-6-release/134619

Copter-4.6.0 was released as the stable/official firmware for multicopters and traditional helicopters on 21-May-2025 Release announcement: https://discuss.ardupilot.org/t/copter-4-6-0-released/134617