1.Everyone is coming back but no one knows for how much episodes.
2.Kate Hudson is coming to Glee and has a story line with Rachel in NY.
3.Sarah Jessica Parker having a story line with Kurt.
4.Another Brittany tribute.
5.(Not confirmed and maybe not true) Will will not be getting married.
6.Glee will also be shooting in other places other than Ohio like NY.
7.Damian Mcginty becoming a regular ND memer (sadly not sure about Smuel).
All of these r not that certain especially 5 and 7.