which version to use in production - 1.2.x or 1.3.x

[gadh]

thanks, where can i see the API changes between 1.2.x and 1.3.x ? i
currently use subrequest in 1.2.8 and in 1.3.16 the filter module is not
called and the browser waits forever (so it does not go to backend also)

Posted at Nginx Forum: http://forum.nginx.org/read.php?2,238512,238573#msg-238573