Its awesome gives you the ability to use it in the same way you would use in edge minus the bloat ;)

Get this error- and no reply from the devloper To protect your security, m365.cloud.microsoft will not allow Firefox to display the page if another site has embedded it. To see this page, you need to open it in a new window

Ojalá y pudieras integrarla dentro de la barra de herramientas artificiales, no como un addon adicional. O por lo menos que aparezca el dibujo del botón de Copilot en la barra lateral.