Engram changes coming this week

If you haven't already heard, Bungie is changing how engram drops work in a patch this week. The changes sound mostly for the better, however, any legendary engrams you may be holding on to will be demoted to rares after the patch. I am not sure if rares will be demoted to uniques (I think that's green) or not. To be safe I would just decrypt them as soon as you get a chance.