MetaTrader ver4 build765 vs MQL5

 
Hello, I'm looking for information if MT4 support MQL5, because I'm not sure for that. Thanks for reply.
 
mastnak:
Hello, I'm looking for information if MT4 support MQL5, because I'm not sure for that. Thanks for reply.

MT4 support mql4.

MT5 support mql5.

Obviously.

 

Meteeditor in MT4 support MQL5, why MT4 did not support MQL5 too?