When I flew AA r/t to SXM 7 months ago they had "Main Cabin Extra" but it was only bulkhead and exit row seats. and no perks other than group 5 boarding which I get with my wife's CC. So if they actually added rows that would be an improvement..I hate bulkhead seats

They have had MCE seats on the long hauls for a bit.....

What upset me was that we had the exit row MCE seats AND used an AA CC that gets a free bag per person...but only flights in the USA and to Europe...Caribbean was an outlier for some weird reason....

Maybe this has changed