Speaking of favicons: In the latest episode of GUI Challenges, Adam details how to create an adaptive favicon that responds to Dark Mode.
SVG Favicons were introduced in Chromium 80 (2019) and Firefox 41 (2015). No support in Safari.
Building an adaptive favicon →
🤔 On the WebKit Issue tracker I can find this RESOLVED INVALID issue, offloading the responsibility to Safari itself and redirecting to the developer.apple.com bug tracker. /me is confusedUpdate: the internal radar ID was added to the issue, so we know it has been filed in Apple’s general Bug Tracker indeed.