**Warning:** This is a breaking update. That means you probably can not simply update an existing installation of Shairport Sync without a little bit of work. To update correctly you must:
* Remove the Shairport Sync device from Apple Home -- you can add it back later;
-* Review the list of libraries needed for building Shairport Sync -- there are some extras;
+* Review the list of libraries needed for building Shairport Sync, as there are some extras -- see the updated [BUILD.md](BUILD.md) guide;
* Review configuration flags when building Shairport Sync -- some names have changed, e.g. `--with-systemd` becomes `--with-systemd-startup`;
* Fully delete and reinstall Shairport Sync and NQPTP, along with all their service files;
* Review and update settings: