2. The "app" is literally just Electron and somehow they still screwed it up, it's laggy, always being overhauled, and almost always has a new useless feature only for nitro that increased it's size several hundred megabytes.
3. Used to be fast and pleasant to use on mobile until a major redesign I had to revert from that put everything in tabs and made it look like every modern mobile chat application.
4. Nobody really cares about this anymore, but the people on their platform-wide moderation team were caught back then having very egregious double standards, allowing content that was on the border of being CP because of "artistic interpretation", look up discord cub controversey for more information