(themes) sidebar headers and containers get their own CSS classes to allow for more flexible styling
(core) fixed bbcode rewrites for quotes not containing an avatar
(core) topic prefixes: the css class for formatting the prefix how has its own, dedicated database column. DB CHANGE REQUIRED (see table_changes.sql, for table prefixes)
(plugins) fixed gitfeed plugin (add User-Agent header, according to github API specs)
(core) allow configuration of the maximum length for a member's name (no longer hardcoded)
(theme) some styling experiments, mostly postbit-related
(core) optimized loading of additional member data records during custom buffer rewrites (make sure, member ids are unique)