This is a major release. Read more in the release blog post.
$ git shortlog -sn apache-arrow-0.6.0..apache-arrow-0.7.0 58 Wes McKinney 14 Kouhei Sutou 11 Philipp Moritz 7 Phillip Cloud 6 siddharth 5 Uwe L. Korn 2 Bryan Cutler 2 HorimotoYasuhiro 2 Laurent Goujon 2 Li Jin 2 Max Risuhin 2 fjetter 1 Antony Mayi 1 Brecht Machiels 1 Fritz Obermeyer 1 Gonzalo Ortiz 1 Jeff Reback 1 Kyle Kelley 1 Paul Taylor 1 Robert Nishihara 1 Wataru Shimizu 1 hatappi 1 mnc 1 rvernica 1 tetsutaroendo