Pauly99 wrote:This is a screenimage of what it looks like on my PC. As you can see, mostly empty space.
Ah yes... but what is there is beautifully crafted...
Seriously, though, it is what it is for good reasons. The forum is an integral part of the entire website now, rather than an entirely standalone entity as it was previously, and so it now shares the same style and sizing, (and -- importantly -- mobile-friendliness) as the rest of the site.
Moreover, the forum text window is around 100 characters wide which is already on the long side of the optimum for readability. There are no plans to make it any wider.