Writing a little late hoping that my idea gets seen, but like others have said, I would love to see great crossbow get some love here as well. If longbows are seen as the great weapons of the ranged world, then great crossbows are chopped liver. I've had this idea to fix the whole class for years, hoping someone sees it and praying it makes it to live, lol:
20 Rogue Mechanic T6 Core Ability: Give us an endless fusilade here. Make it so you have to have a great crossbow equipped to be able to activate it, and furthermore make it so that you must have 20 rogue levels and 40 mechanic points spent. In my opinion, this would fix great crossbows without doing a stat buff/nerf to it. The big reason for which most don't use it anymore as I understand it is simply because of this, so it would fix it. Feel free to make fun of me, or if there's someone smarter out there that thinks I'm wrong, happy to hear why. Just hope someone will give me the time of day, haha.