If i'm right with the Destiny: Rise of Iron Update or Age of Triumph Update (cant remember which) you allowed players to pick what sort of stuff people wanted from engrams, so for instance, if you levelled up in the Vanguard in destiny 1, there was a choice between Armor, Weapons, Chroma, but that sort of stuff isn't in Destiny 2, you can't pick what sort of Loot you want from your engrams, so say you really want the EDZ Armor, you can probably open 20 packages and not have what you want, you'd probably have like 10 duplicate weapons, a few of which you'd keep and like 2 pieces of armor that you actually want. Another thing i'd possibly like is for the Chroma gear to return, or at least give existing armor an option to fit Chromas, to make every armor set and weapon that bit more unique to every player, the Closest thing you probably have to Chroma on armor would be the Prestige Leviathan Raid Armor, which looks basically like the Flawless Vigil Ornaments from Trials of Osiris Now also speaking about Trials of Osiris.... the Mercury Planetary Engrams should offer gear that looks similar to that of Trials of Osiris from Destiny 1, some of those armor sets people loved, like i loved the Blind Jackal helmet but i never played as a Warlock, but it was an amazing helmet to look at, i personally main a Titan, with a Hunter as secondary. But as well Trials of Osiris weapons were rather unique in my opinion, there's BLUE Rarity Weapons in Destiny 2 that bare resemblance to Many Destiny 1 Legendaries, One Scout rifle looks awfully alot like the Trials of Osiris Scout Rifle: The Inward Lamp Sorry for my Rambling but i've always thought that Trials of Osiris gear shoulda returned in some form with Curse of Osiris, but i would love to see Vendor Engrams reworked, as well as possibly the Return of Armsday with the Gunsmith, maybe that will give Exclusive Weapons, that cannot be obtained out of Armsday