Maximum PC: Mozilla on Thursday announced that it rolled out security fixes for a bug in Firefox that was discovered by a user. What the user found was that an advertisement on a news site in Russia was able to take advantage of a vulnerability in Firefox to search for sensitive files on a user's PC and upload them to a server in Ukraine.
It's 2022, every browser should have this.
Web browsers collect a massive amount of our web history data. These options can help with that.
A major source of revenue for Mozilla.