changelog: v90

• date: 26-Jul-2021
• foreword: These are all the changes since the last changelog (v89).

FF90 release notes
FF90 for developers
FF90 security advisories

CHANGELOG: [all changes]

• all user.js updates for Firefox v90 are detailed in the ToDo: diffs FF89-FF90 issue
  • includes links to the commits made for each pref, links to bugzilla tickets, our discussions etc.
• for all the rest see the full list of pref changes below

ALL PREF CHANGES

• changed in user.js v90 - see 44a8088

user_pref("security.dialog_enable_delay", 1000); // was 700

• made inactive in user.js v90
  • both moved to RFP ALTS section 4600
  • webaudio: see FYI: 2510: webaudio #1194
  • media devices: see reminder: 2505 media.navigator.enabled #1099

   // user_pref("dom.webaudio.enabled", false);
user_pref("media.navigator.enabled", false);

• new in user.js v90
  • activity stream pref: defence-in-depth, see browser.urlbar.sponsoredTopSites #1203
  • ssl3 prefs: see Add security.ssl3.rsa_aes_256_gcm_sha384 and security.ssl3.rsa_aes_128_gcm_sha256 to 1264 #1196
  • update pref: defence-in-depth, see a7ba61c and this article
  • ⚠️ the RFP prefs are highly experimental and a work in progress

user_pref("app.update.background.scheduling.enabled", false);
user_pref("browser.newtabpage.activity-stream.showSponsoredTopSites", false);
user_pref("network.http.windows-sso.enabled", false); // FF91+
   // user_pref("privacy.resistFingerprinting.exemptedDomains", "*.example.invalid");
   // user_pref("privacy.resistFingerprinting.testGranularityMask", 0);
   // user_pref("security.ssl3.rsa_aes_128_gcm_sha256", false); // no PFS
   // user_pref("security.ssl3.rsa_aes_256_gcm_sha384", false); // no PFS

• moved to 9999: DEPRECATED / REMOVED in user.js v90

user_pref("network.ftp.enabled", false);
user_pref("browser.cache.offline.storage.enable", false);

STATS

 STATS v90: up to and including section 4500, minus the parrots
 =========
    total: 322
 inactive: 115
           ---
   active: 207
  default:  16 (at least)
      n/a:   2 (of the three prefs in 0204, only one will apply)
      n/a:   1 (network.http.windows-sso.enabled is FF91+)
           ---
  flipped: 188 (at most)

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