Okay, I'm 99.999999% sure this is true, as there's a topic about it on Palette and its confirmed by others who saw this in the magazine. According to Paletters, in the lastest "Pokemon Scoop" magazine, along with the revelation of the AG85 title, it has been revealed that in AG 84 (the Fortree feather festival ep) is where James gets his new Pokemon, and it is a....
(Spoiler:) Chimecho!
Not that I hadn't expected that in a million years, but I'm pretty sure that its accurate. Not only is it posted by a reliable member who has posted news in the past there, but it's from the same source as that AG85 title.
Discuss!
~Zak