I think the update looks great! I have a few nitpicky things that are hyper-specific but I think it would make the site look & feel more responsive overall.
-Change the transition animation of links & from 0.5s to 0.2s
-Make transition animations on the homepage links (forums, store, vote, etc.) match those on the forums (currently none on homepage)
-When hovering social media icons on the top left corner, change the color of the icons to dark blue, red, and light blue respectively to match the site's theme colors. (can be done with SVG's rather than images and then just change the fill color with a transition)
-Maybe find a way to make these corners look a bit less sharp (image below)
-Replace the "|" character with "by" on Homepage in News & Updates and Forum Activity
-The "Advanced Search" and the gear icon do the same thing and the "Advanced Search" text pushes the content down and looks awkward
-Under Game Activity on the homepage, clicking a user's name won't actually take you to their forum profile
-Remove displaying the year from the posting date within Forum Activity
-Remove the min-height attribute on the highscores
-Capitalize "username" in the highscores search placeholder (( I don't know why this bothers me so much but it's probably fine either way ))
-Terms & Conditions and the Privacy Policy don't have a link location
-Missing background color for shoutbox smilies
-In donations, remove the bottom margin on "ipsSideBlock" (provided you aren't putting any more side blocks in the column). The misaligned border is really hard to notice if you're just scrolling so it might not even need to be changed (below image)
Other than those few things, I think the update looks great!
The next big site update in my opinion would be a new store page & a new shoutbox to replace the IPB one.
Thanks for the updates!