This issue of What’s !important brings you clip-path jigsaws, a view transitions toolkit, name-only containers, the usual roundup of new, notable web platform features, and more.
These are the historical pranks I consider the top 10 most noteworthy, rather than the “best.” You’ll see that some of them crossed the line and/or backfired.
Short n’ sweet but ever so neat, this issue covers light/dark favicons, @mixin, anchor-interpolated morphing, object-view-box, new web features, and more.
Despite what’s been a sleepy couple of weeks for new Web Platform Features, we have an issue of What’s !important that’s prrrretty jam-packed. The web community had a lot to say, it seems, so fasten your seatbelts!
Read an explanation of the recent CVE-2026-2441 vulnerability that was labeled a "CSS exploit" that "allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page."
Interop 2026 is officially a thing and there's plenty of new (and even old) CSS features that we can look forward to being cross-browser compatible and consistent!
This issue of What’s !important is dedicated to our friends in the UK, who are currently experiencing a very miserable 43-day rain streak. Presenting: the five most interesting things to read about CSS from the last couple of weeks. Plus, the latest features from Chrome 145, and anything else you might’ve missed. TL;DR: lots of content, but also lots of rain.
Neither Chrome, Safari, nor Firefox have shipped new features in the last couple of weeks, but fear not because leading this issue of What’s !important is some of the web development industry’s best educators with, frankly, some killer content.
