There are currently no open bugs.

"sendfile" versions published in Ubuntu

Vivid (2.1b.20080616-5.3): universe/net
Utopic (2.1b.20080616-5.3): universe/net
Trusty (2.1b.20080616-5.2ubuntu1): universe/net
Precise (2.1b.20080616-5): universe/net
Lucid (2.1b.20080616-3): universe/net