New MetaTrader 4 Build 970: Simplified demo account opening and expanded MQL4 features - page 3

 
Is compiled EX4 file can not be attached to the chart in the build 910 or build 920.
What a mistake, but I thought that can also be used in the old EX4 files in this update?
Also Will not be a like old EX4 file can be used in the future?
Reason: