Release Notes: An annoying bug was fixed that 2.17.0 introduced which hit new installs (an error message about a missing database column). Numerous other small bugs were fixed. And most pleasingly, the HTML output of the .mirrorlist pages has been modernized (therefore, you might want adjust your CSS styling).
Release Notes: This release fixes two important bugs in the Metalink generator. The first bug was that magnet links embedded in Metalinks could cause clients to hang. The second bug was that under certain conditions (transparent negotiation of metalinks), mod_mirrorbrain could deliver a file "foo" when "foo.bar" was requested but didnt exist. In addition, a number of compatibility fixes for Torrents are included. Ordering of keys was fixed. The md5 key was renamed to md5sum and correctly encoded. A "created by" key was added.