It looks like you mistyped the URL in your address bar or have followed an old bookmark.
As the Linux distribution that Raspberry Pi OS is based on changes, so must Raspberry OS. The new Raspberry Pi OS, 'bullseye' was just released, so here's a quick rundown of some of the changes.
The brand new MyoWare 2.0 Wireless Shield is now available! With it we also have a new programmer board for your ESP32 WROOM Modules.