My browser / operating system: MacOS Macintosh X 10.15, Firefox 109.0, No Flash version detected
There is no What the Community is Remixing, What the Community is Loving or Featured studios on the “scratch” page…

they probably still working on the maintenance on the frontpage

Same here. I think it's happening because the front page is being updated. There is a forum post in announcements regarding that.

Ok, i'll check again tommorrow.