Just a note for Linux users since those still using GTK 2 cannot run Firefox 46.0 and newer.
Bug 1270358 - Block Linux users with GTK older than 3.4 from updating to 46.0 on release
Just a note for Linux users since those still using GTK 2 cannot run Firefox 46.0 and newer.
[https://bugzilla.mozilla.org/show_bug.cgi?id=1270358 Bug 1270358] - Block Linux users with GTK older than 3.4 from updating to 46.0 on release
A "What's new" link to the release notes was added to the "About Firefox" window in Firefox 46, right next to the version number. Details:
Bug 1047395 - Add "What's new?" menuitem to the about dialog
A "What's new" link to the release notes was added to the "About Firefox" window in Firefox 46, right next to the version number. Details:
''[https://bugzilla.mozilla.org/show_bug.cgi?id=1047395 Bug 1047395] - Add "What's new?" menuitem to the about dialog''
the method to predefine the default contents of new profiles in the firefox program folder has been removed in 46: https://bugzilla.mozilla.org/show_bug.cgi?id=1234012
there is an influx of users today reporting that facebook only loads in garbled form - this will likely be due to kaspersky on affected systems tampering with secure connections...
https://bugzilla.mozilla.org/show_bug.cgi?id=1271875
https://support.mozilla.org/questions/firefox?tagged=bug1271875&show=all
Firefox 44+ accepts a new kind of encoding (compression) called Brotli (br) for secure connections and Facebook turned on Brotli encoding last night.
Kapsersky doesn't know about this encoding and strips it from the HTTP response headers if you have "Inject script" checked in Kapsersky Settings -> Additional -> Network -> Traffic Processing
Firefox 44+ accepts a new kind of encoding (compression) called Brotli (br) for secure connections and Facebook turned on Brotli encoding last night.
Kapsersky doesn't know about this encoding and strips it from the HTTP response headers if you have "Inject script" checked in Kapsersky Settings -> Additional -> Network -> Traffic Processing
https://forum.kaspersky.com/index.php?showtopic=351027
apple's icloud bookmarks addon is now disabled/blocked by default for frequent crashes - users could still enable it if they want: https://addons.mozilla.org/firefox/blocked/i1214
trend micro's browser exploit protection addon is now disabled/blocked by default for frequent crashes as well. it was responsible for 1.3% of all crashes on release.
https://addons.mozilla.org/en-US/firefox/blocked/i1222
trend micro's browser exploit protection addon is now disabled/blocked by default for frequent crashes as well. it was responsible for 1.3% of all crashes on release.
https://addons.mozilla.org/en-US/firefox/blocked/i1222
There's a new Profile Manager UI accessible from within Firefox by entering about:profiles in the address bar (bug 1179129). Instructions in the Profile Manager - Create, remove or switch Firefox profiles kb article to open the Profile Manager after first closing Firefox still work but you get the old UI.
Replacing the old UI with the new UI was planned for Firefox 46 (bug 1232629) but was backed out in bug 1239848 and is temporarily on hold. Discussion in the kb article forum.
There's a new Profile Manager UI accessible from within Firefox by entering '''about:profiles''' in the address bar ([https://bugzilla.mozilla.org/show_bug.cgi?id=1179129 bug 1179129]). Instructions in the [[Use the Profile Manager to create and remove Firefox profiles]] kb article to open the Profile Manager after first closing Firefox still work but you get the old UI.
Replacing the old UI with the new UI was planned for Firefox 46 ([https://bugzilla.mozilla.org/show_bug.cgi?id=1232629 bug 1232629]) but was backed out in [https://bugzilla.mozilla.org/show_bug.cgi?id=1239848 bug 1239848] and is temporarily on hold. Discussion in the kb article forum.