Talk:Warframes Comparison/Release Dates/@comment-184.57.9.51-20181121032229/@comment-2605:6000:1715:617C:98CB:2E35:EFDD:C568-20190110130228

No, I'm pretty sure they changed their mind on that.

They originally only wanted the "original" frames to be Primed (I think it was the first 8 or 9 released), but they later on changed their mind. Probably because they realized it was a major revenue stream.