Here’s a Mozilla blog post from Mike Conley and Emanuela Damiani about implementing PiP in Firefox: https://hacks.mozilla.org/2020/01/how-we-built-picture-in-p

Here’s a Mozilla blog post from Mike Conley and Emanuela Damiani about implementing PiP in Firefox: https://hacks.mozilla.org/2020/01/how-we-built-picture-in-picture-in-firefox-desktop/ https://hacks.mozilla.org/2020/01/how-we-built-picture-in-pi...