Resizing the window does not change anything, it makes things worse as the messages now will not be displayed properly. Try it. Resize the window, you will notice the parts whose size does not change at all.
Why is that in a 80x24 terminal I have everything on screen while typical Electron applications require one workspace per application otherwise the crucial data becomes ugly? Just let us resize bits or make them collapsible or something.
You can collapse the channel list if the channels are grouped together.
They also recently added server folders so you can collapse the server list.
>Wasted UI space. Takes up my entire screen.
You don't have to use it in full screen... just resize the window...