So during the live stream today deej mentioned briefly the stream in two weeks about the sandbox update with age of triumph will include talk about elemental primaries from vault of glass and how they'll fit in to the current scheme of things. It sounded like he was implying that elemental primaries would be returning with the old raids. Fatebringer. Vision of confluence. Etc. Not sure If this counts as confirmation or not, but I'm almost starting to get my hopes up...