About the "mysql_connect(): Headers and client library minor version mismatch" warning
After having MySQL 5.6.17 published, some users complained about a warning thrown by their PHP applications : PHP Warning: mysql_connect(): Headers and client library minor version mismatch. Headers:50535 Library:50617 In fact, this could happen with any application linked to libmysqlclient18 in a certain version ( php5-mysql from Dotdeb is linked to the 5.5.35 version from the stock Debian distribution) when connecting to a MySQL server in another version (5.6.17 in our case). The warning is thrown by libmysqlclient18 itself. And this is just a warning, there is no reason why any bad behavior would happen in that case. ...