MySQL 5.7 DMR6 was been released today! By my crude measurement, it is a big release with a number of new features and bug fixes:
morgo@Rbook:~$ for V in 1 2 3 4 5 6; do curl --silent http://dev.mysql.com/doc/relnotes/mysql/5.7/en/news-5-7-$V.html | wc -l; done;
2543
4914 <-- DMR2
2282
2940
4118
4121 <-- DMR6
The release notes have one important known bug to note:
