I do give the writers a small bit of credit for some things, like a more concise plot and some additional lines to the side characters. I am even overjoyed that they are back in the magic world and Alfea! So this is still a huge step up from Season 4 in my opinion.
What's hard to swallow are the lines the girls are saying. It sounds an awful lot like Season 4. Flat, contrived, and hyper-positive (as in, not-down-to-earth). With it being a younger children's show now, I understand that the creative writing is just not there like it was in the seasons past. There has been a big dumbing-down of the writing and dialogue. The characters have become fairly shapeless and formed from much of the same cookie-cutter mold.
Here's an example of the dialogue that really bothered me (hoping this video stays active for a while):
http://www.youtube.com/watch?v=fBxlO8NVopkNow normally we'd have no problem hearing those lines come out of Stella's mouth because she is the diva one of the bunch. But even these lines were fake and contrived beyond a doubt. Pep is good in moderation, but these lines rang false and flat. These are not the down-to-earth girls we know the Winx truly are-- real girls, who talk realistically, with real interaction. I do like this new season better than the last, but I will continue to miss the genuine character of the earlier seasons. There was a richness of plot and character that has not been emulated past Season 3.