I'm new to this forum, so I don't know how it used to look, but it looks nice and clean.
I mostly access this forum on my mobile, and it looks unclutered and intuitive. The use of icons helps to make it look clean.
On other forums, posts and threads are quickly buried. But on this forum the spam is not a problem, so the membership gets credit too for it being 'library-like' and scholarly - and not a 'what are you drinking' hang out.
I still have to figure out the quote+, but everything else is intuitive. Great job!
You can either highlight the text you want to quote and select +Quote, or just hit the +Quote on the bottom right of each post. Either action will add what you want to quote to the "Multi-quote". Then, at the bottom of the page where the text editor box is and where you type, you then select the "Insert quotes..." button below the text editor box. Voila, the messages you wanted to quote are then inserted into the text editor box.