Do .FX Charts work with all EA's?

I've previously had a problem with certain EA's working with .FX charts (for example if you are a US trader using IG as a broker all your charts end in .FX) - I've had a couple EA's that would not place trades on these charts. At the time I was told it was being worked on - I was just wondering if this issue had been fixed? (The EA would give the appearance of running correctly but just would not take trades that would be taken if it was running on an identical non .FX chart - there wasn't any visual clue that the EA wasn't working properly.)