Icons

A lot of CSP breakage looks random until you hit icons. Text loads. JavaScript loads. Layout mostly works. Then half the UI shows empty squares, missing chevrons, or buttons with no visual affordance at all. I’ve seen teams burn hours blaming CSS pipelines when the real problem was much simpler: the icon delivery method didn’t match the site’s Content Security Policy. This case study is about that exact problem with Evergreen icons on a production-style setup. ...

If you use Aragon icons and your CSP is even slightly off, the breakage is usually annoying, subtle, and easy to misdiagnose. You see missing icons, blank squares, CSP console noise, or everything works locally but fails in production. I’ve hit this enough times to have strong opinions about it: most CSP problems around icon libraries come from guessing which directive applies. People tweak default-src, maybe throw in img-src data:, and hope for the best. That’s not how CSP works. ...