ES-Alexander

Sub: add support for `WATER_DEPTH` MAVLink reporting

2

## Feature request **Is your feature request related to a problem? Please describe.** Many underwater vehicles have downward facing sonar sensors that are capable of measuring the distance to the...

Backport #26649 to Sub-4.5.

Sub: avoid forcibly setting altimeter measurement noise on boot

1

## Bug report **Issue details** ArduSub [automatically sets the altimeter measurement noise on boot](https://github.com/ArduPilot/ardupilot/blob/master/ArduSub/system.cpp#L123-L131), which means [setting it with a parameter does not persist across reboots](https://discuss.bluerobotics.com/t/ek3-alt-m-nse-won-t-persist/21344). **Version** `master`, back to...

Code cleanup. The `get_pin`, `set_pin`, and `set_pin_by_instance` function names are confusing, especially given similar names are used elsewhere in the codebase to relate pins to a given functionality (whereas these...

Happened upon this while looking for something else. The screenshot shows an old interface (with mislabeled columns), and [the description](https://github.com/ArduPilot/ardupilot_wiki/blob/master/copter/source/docs/mission-command-list.rst?plain=1#L384) references an unlinked Issue that is presumably [this one](https://github.com/ArduPilot/MissionPlanner/issues/372), which...

In response to concerns raised [here](https://github.com/mavlink/mavlink/pull/2342#issuecomment-3625001767): - Restores open/close actions to release/grab - Changes "stop" action to "hold", to more clearly define expected behaviour @peterbarker / @hamishwillee tagging, since I...