For *two years* now we’ve been covering the circuitous path wending its way towards getting a Pinterest-style layout mode into #CSS (often called “masonry” layout). 
Thankfully our long #WebDev nightmare is finally over, and masonry layout has been solved! 
Now called CSS Grid Lanes, it’s available today in WebKit-based browsers such as Safari 26.4 as well as the latest GNOME Web:
Masonry Layout Solved! Hello CSS Grid Lanes
Our long web specs nightmare is finally over.
That HTML Blog (thathtml.blog)