You may be thinking of the much-hated "Trusted Computing" initiative. "Trusted" here means that the JavaScript dev picks a sanitizing library they trust, not that Mozilla decides what software is trustworthy.
Nah, my issue isn't with users vs. Mozilla, but users vs. "JavaScript dev", specifically the difference of opinion on who should have final say on what gets executed and what doesn't.
Nah, my issue isn't with users vs. Mozilla, but users vs. "JavaScript dev", specifically the difference of opinion on who should have final say on what gets executed and what doesn't.