nprofile1qy2hwumn8ghj7un9d3shjtnyd968gmewwp6kyqpqgpaqvffj4tmy7nu0ygznk6nfkf66ckec0p4vyj24mt4f2s8fvulssvtkx6 (nprofile…tkx6) nprofile1qy2hwumn8ghj7un9d3shjtnyd968gmewwp6kyqpqag5hpx9undva4zuvstyzwme5upfzh5h68znnmlle7azwz63xen6qagq4tx (nprofile…q4tx) nprofile1qy2hwumn8ghj7un9d3shjtnyd968gmewwp6kyqpq37klwjy8ylk07x2d8qw8gd8ecl596pta93e4xtgzu2nau46vr6eqq6jhwj (nprofile…jhwj) nprofile1qy2hwumn8ghj7un9d3shjtnyd968gmewwp6kyqpqx6z9mywzlzkktvhq2hc32zqeyvk6magv2l5daefd70nh74w2rsuqlq26hz (nprofile…26hz) as far as I understand it, it wasn't "settings" that were reverting, but some unsupported key/values in about:config were moved, but people had found them and assumed they were stable.
Here are the docs for AI controls https://support.mozilla.org/en-US/kb/firefox-ai-controls