Originally Posted by
shefgab
Most the 777-300ER are in the old layout with F14 C56 old ying-yang seats, plus 9 abreast in economy. There are 2 or 3 new jets delivered last year with just 8F, and the new Club Suite, and 10 abreast in economy. It sounds you're on one of these newer ones.
As per the wiki, there are 4 new 77Ws in service, with one currently undergoing refurbishment (due to complete in the next few weeks).