* Fix in `mavlink_passthrough`: reset intercepting messages (664).
* Fix in `mission`: use correct callback for download timeout (665).
* Fix: don't remove pending timeouts on disconnect (666).
* Fix race condition in mission service (668).
* Fix in camera: wrong comparison was returning a timeout when setting camera parameters (670).
* Fix crash in CMake when version number is unexpected (671).
* Add Dockerfile to build an alpine-based backend image (673).