Is there an e10s_okay extension or should I just run ff dev ed. and see what happens? I'm running: Lastpass uBlock Zotero I have others but I'd d

Is there an e10s_okay extension or should I just run ff dev ed. and see what happens? I'm running: Lastpass uBlock Zotero I have others but I'd ditch them. I'm not keen at all on giving up the three above.