Firefox 85 released

Version 85 ofthe Firefox browser has been released. The headline change appears tobe the isolation of internal caches to defeat the use of "supercookies" totrack users; see thisblog entry for details. "In fact, there are many differentcaches trackers can abuse to build supercookies. Firefox 85 partitions allof the following caches by the top-level site being visited: HTTP cache,image cache, favicon cache, HSTS cache, OCSP cache, style sheet cache, fontcache, DNS cache, HTTP Authentication cache, Alt-Svc cache, and TLScertificate cache."