User blog comment:RoyallyBella/Official Season 7 discussion blog/@comment-27000514-20160602171239/@comment-27006607-20160604204637

WinxClubRus confirmed on their page that Season 8 will premiere Autumn 2018, currently Rainbow is being busy not only with Winx, but with Regal Acadamy.

Also the moment WOW is still being dubbed, because Alessia Orlando posted information on her Twitter with pictures in the dubbing studio, so we can say that we wont have WOW this summer.