FreeBSD is by far the most active BSD when it comes to sheer numbers, having the largest user and developer base (roughly 80% of the whole BSD community). In 2012, a new minor version of FreeBSD 8 (8.3-RELEASE in April) was released, as well as a new major version (9.0-RELEASE in January) and its first minor release (9.1-RELEASE in December).
With 9.0-RELEASE, there came a long list of changes.
Read the whole post here on the many exciting changes that found their way into FreeBSD 9.1: 2012: a BSD year in retrospective (osnews.com)
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