MetaTrader 4 Platform Build 825
MetaTrader 4 platform update is to be released on Friday, May 22, 2015.
May 22, 2015 support for older versions of servers and terminals will end
Support for trade server builds below 745 will end May 22, 2015. Do not forget to update your test and development servers working on the older builds.
Support for MetaTrader 4 client terminal builds below 745 will be also discontinued. Unsupported terminal builds will not be able to connect to server version 825 and above.