For anyone else who considered Panorama to be their favorite feature of Firefox before they killed it, the closest replacement for it I've found so far is https

For anyone else who considered Panorama to be their favorite feature of Firefox before they killed it, the closest replacement for it I've found so far is https://addons.mozilla.org/en-US/firefox/addon/tiled-tab-groups/ https://addons.mozilla.org/en-US/firefox/addon/tiled-tab-gro.... It's not at all perfect from a UI standpoint, but it hasn't lost my tabs or crashed the browser yet.