The preview for Season 5 has just been released!
You can watch the preview here

Here is the new stuff that was shown in the preview

[00] Zwei Association West Sinclair

[000] Cinq(?) Meursault

[E.G.O] Hex Nail for Rodion and Sinclair

[E.G.O] Lasso for Hong Lu and Faust

[E.G.O] Yearning-Mircalla for Meursault and Don

New announcers