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docs: add parachute health failsafe documentation

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Update safety.md, peripherals/parachute.md, and releases/main.md to document the extended COM_PARACHUTE parameter and the new configurable in-flight failsafe behaviour.
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gguidone
2026-04-15 11:18:21 +02:00
committed by Gennaro Guidone
parent f74c7625b3
commit 66a1ae9704
3 changed files with 16 additions and 1 deletions
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docs/en/releases/main.md
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@@ -44,6 +44,7 @@ Please continue reading for [upgrade instructions](#upgrade-guide).
- [Remote ID (Open Drone ID) in-flight failsafe](../peripherals/remote_id.md): extended [COM_ARM_ODID](../advanced_config/parameter_reference.md#COM_ARM_ODID) to also trigger a configurable failsafe action (Return, Land, or Terminate) if the Remote ID heartbeat is lost while airborne. Users previously on `COM_ARM_ODID=2` retain the same arming behaviour; set to `3` or higher to enable the in-flight action. ([PX4-Autopilot#27029](https://github.com/PX4/PX4-Autopilot/pull/27029))
- [QGroundControl Bootloader Update](../advanced_config/bootloader_update.md#qgc-bootloader-update-sys-bl-update) via the [SYS_BL_UPDATE](../advanced_config/parameter_reference.md#SYS_BL_UPDATE) parameter has been re-enabled after being broken for a number of releases. ([PX4-Autopilot#25032: build: romf: fix generation of rc.board_bootloader_upgrade](https://github.com/PX4/PX4-Autopilot/pull/25032)).
- [Feature: Allow prioritization of manual control inputs based on their instance number in ascending or descending order](../config/manual_control.md#px4-configuration). ([PX4-Autopilot#25602: Ascending and descending manual control input priorities](https://github.com/PX4/PX4-Autopilot/pull/25602)).
- [Parachute health failsafe](../peripherals/parachute.md): extended [COM_PARACHUTE](../advanced_config/parameter_reference.md#COM_PARACHUTE) from a boolean into a configurable failsafe parameter. The in-flight action is now selectable (Return or Land). Users previously on `COM_PARACHUTE=1` (block arming) must update to `2` to retain that behaviour; set to `3` or higher to also enable the in-flight failsafe action. ([PX4-Autopilot#26918](https://github.com/PX4/PX4-Autopilot/pull/26918))
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