* Fix broken M() refs. (#76202)
* update backport instructions for 2.12 (#76209)
* Update dev guide for vars plugins in collections (#75861)
Co-authored-by: Felix Fontein <felix@fontein.de>
Co-authored-by: Sandra McCann <samccann@redhat.com>
Co-authored-by: Sebastian Wiesinger <sebastian@karotte.org>