Well, I consider stuff like the absence of server-side friend lists, server-rendered embeds and formatted messages a bug at best, though in IRC's case it's simp

Well, I consider stuff like the absence of server-side friend lists, server-rendered embeds and formatted messages a bug at best, though in IRC's case it's simply the lack of ability because the protocol is horribly outdated, modern approaches and limitations could afford a lot of QoL improvements.