Congratulations on the new update: I am sure it has been a lot of work.
My principal comment is that the Projects page - probably the page I frequent the most - is not very attractive on desktop, IMHO. Too much blank space. I would suggest:
Bigger thumbnails - WW is a very visual topic
Two columns - decrease wasted space. Can switch to one column for mobile assuming the site is responsive.
Also the existing thumbnails are fuzzy; compare the thumbnail for this project to its actual page:
Multi-Location sign post
www.lumberjocks.com
Main page picture looks good; thumbnail is dowdy. A fuzzy thumbnail is a poor advertisement for a post. Maybe resolution is too low ....something wonky there.
On the detailed Projects page, suggest dropping the "More in Projects" on the RHS (desktop). Just clutter unrelated to the post as far as I can tell. Ideal place for info, links about the project creator.
The comments section is very stretched out vertically. Makes for too much scrolling I would say. Possibly smaller thumbnails? On a largish monitor I'm seeing less than 4 single sentence comments per page, pre scrolling. Thats ununusual for user generated content - look at Quora, Reddit - I think it needs to be tightened up.
People want their projects to look great, so I think effort to make this part of the site attractive is worth it.