The forums have been updated to XenForo 2.1! This update includes plenty of performance and security improvements, as well as many new features.
One feature I like in particular is the new reactions system for posts. In addition to being able to "Like" a post as you've been able to in the past, if you hover over the "Like" button, you'll see additional reactions to choose from, such as "Love", "Haha", and "Wow". Enjoy!