Get a fun error message on debian 13 with firefox v140:
"This application requires passkey with PRF extension support for secure encryption key storage. Your browser or device doesn't support these advanced features.Please use Chrome 116+, Firefox 139+, or Edge 141+ on a device with platform authentication (Face ID, Touch ID, Windows Hello, etc.)."
Turns out it's hard to prevent users from customizing how they interact with your website unless you go pure image rendering.