Technically they're signed to Warner for 3 albums with an option for 2 more (total of 5) but basically it's pretty well known that this will be the last album with all 5 members. Linker's in denial though.
Also, this album will be VERY over-produced and R&B influenced with a lot of potential singles on it. So, if you like poppy Bone, this will be the album for you. Don't expect E99/Eternal, though.