Karlston Posted June 30, 2020 Share Posted June 30, 2020 Here is what is new and changed in Firefox 78.0 Firefox 78.0 is the latest stable version of the Firefox web browser. It was first offered on June 30, 2020 and is the second major release of the browser in June 2020. The new version is offered via in-browser upgrades and as a direct download from the Mozilla website. Firefox 78 is the first release of the new Firefox ESR, Extended Support Release, version and as such introduces major changes to systems that are upgraded from the previous 68.x ESR version. All Firefox channels are updated around the same time. Firefox Beta and Developer will get bumped to version 79.0, Firefox Nightly to version 80.0, and Firefox ESR to version 78.0 just like Firefox Stable. The Android version of Firefox will also be upgraded to 78.0 as it follows the ESR release schedule until the migration to the new Android browser completes. The next stable version of the Firefox web browser will be released on July 28, 2020. Executive Summary Firefox ESR is now available in a new major version (78.0). WebRender rollout continues. TLS 1.0 and 1.1 are now disabled. Firefox 78 is the last major release that supports Mac OS 10.9, 10.10, and 10.11. Users will be supported through the Firefox 78.x lifecycle. Firefox 78.0 download and update The rollout of the new Firefox versions starts on June 30, 2020. Firefox installations will pick up the new version automatically if automatic updating has not been disabled in the browser. Firefox users may select Menu > Help > About Firefox to run a manual check for updates. Note that the release may not be offered right away as it may not be released yet if you try to upgrade to early on June 30, 2020. The following pages list direct downloads for supported Firefox channels (will be available later on June 30, 2020) Firefox Stable download Firefox Beta download Nightly download Firefox ESR download Firefox 78.0 Changes Support for TLS 1.0 and 1.1 is dropped. DHE cipher suites are no longer supported. New major Firefox ESR version. TLS 1.0 and 1.1 changes, and DHE cipher suites Mozilla's initial plan was to drop support for the outdated security protocols TLS 1.0 and 1.1 in Firefox 74.0. The organization re-enabled the protocols because of the Coronavirus pandemic and Google, and has now disabled the protocols again in Firefox 78.0. All major browser makes pledged to remove support for the protocols from their browsers to push the adoption of TLS 1.2 and TLS 1.3 which offer better security and performance. The protocols have not been removed in Firefox 78.0. It is still possible to restore these by doing the following: Type about:config in the web browser's address bar. Confirm that you will be careful if the warning is displayed. Search for security.tls.version.min. Set the value to 1 instead of 3 (default). 1 means that protocols TLS 1.0 and newer are supported. 2 means that protocols TLS 1.1 and newer are supported. 3 means that protocols TLS 1.2 and newer are supported. Note that Mozilla will remove support for TLS 1.0 and 1.1 eventually so that it will no longer be possible to restore support. Tip: use the add-on IndicateTLS to show the TLS version of sites in Firefox's address bar. Firefox 79.0 removes support for the following DEH cipher suites as well. These are considered weak according to Mozilla: TLS_DHE_RSA_WITH_AES_128_CBC_SHA TLS_DHE_RSA_WITH_AES_256_CBC_SHA To mitigate compatibility issues, Mozilla enabled two AES-GCM SHA2-based ciphersuites. New major Firefox ESR version Firefox ESR 79.0 is the new major Extended Support Release version. The ESR version bumps introduces lots of new features to the ESR channel as these get security and bug fix updates only for the most part during minor version upgrades You can check out our reviews of the last eight or so Firefox Stable releases for a rundown on the changes, or check out some of the highlights here: Service Worker and Push APIs enabled. Picture-in-Picture support. Option to manage certificates on about:certificate. Support for Kiosk mode and client certificates. Support for client certificates stored can be enabled by setting the preference security.osclientcerts.autoload to true. New Enterprise policies to manage some of the new features. Block Autoplay is enabled. Always activate Flash no longer available. Flash cannot be put in the Firefox application directory anymore. Firefox does not load userChrome.css and userContent.css by default. Administrators need to set the preference toolkit.legacyUserProfileCustomizations.stylesheets to true to enable support. Check out this Firefox 78.0 ESR guide on the Mozilla website for additional changes. Other changes Option to view blocked resources in the Firefox Developer Tools, e.g. by content blocker extensions. Firefox may be set as the default PDF viewer on Windows. Options to close multiple tabs have been moved to a submenu. Restoring of multiple tabs improved as well. Users from the UK get Pocket Recommendations on the New Tab Page. Minimum system requirements on Linux are now GNU libc 2.17, libstdc++ 4.8.1 and GTK+ 3.14 or newer versions. Accessibility improvements for screen reader users. Also, number of animations was reduced. WebRTC calls will no longer be interrupted by the screen saver. Mozilla added a Refresh button to the Firefox Uninstaller as many users who use the uninstaller do so to re-install the browser. The new Protections Dashboard, which you can access via about:protections in the browser's address bar, lets you track the number of data breaches that you resolved, and displays if saved passwords may have been exposed in data breaches. Firefox for Android Mozilla lists "various stability and security fixes" without providing details. Developer Changes RegExp engine update introduces support for all new features of ECMAScript 2018. Firefox ESR 78 is the first version that supports Service Workers and Push API. WebAssembly improvements. Known Issues none listed. Security updates / fixes Security updates are revealed after the official release of the web browser. You find the information published here. Additional information / sources Firefox 78 release notes Add-on compatibility for Firefox 78 Firefox 78 for Developers Site compatibility for Firefox 78 Firefox Security Advisories Firefox Release Schedule Here is what is new and changed in Firefox 78.0 [Frontpaged here.., https://www.nsanedown.com/?request=230571 ] Link to comment Share on other sites More sharing options...
Karlston Posted June 30, 2020 Author Share Posted June 30, 2020 The main differences between Firefox 78 and Firefox ESR 78 Mozilla released Firefox 78.0 Stable and Firefox 78.0 ESR today. The new version of the Firefox web browser is a major release for both stable and ESR; ESR, Extended Support Release, because it moves the version from Firefox 68.x to 78.x. A major Firefox ESR version increase includes lots of changes as minor ESR versions don't get all the new features that stable versions of the browser get every four weeks. New major ESR versions introduce these features. Firefox administrators can stay on Firefox ESR 68.x for the time being. Mozilla will release additional updates for that particular version of the browser. The older version will run out of support in eight weeks, however when Firefox ESR 78.2 and Firefox 80 are released. While Firefox 78 Stable and Firefox ESR 78 share most features, there are some differences between both versions. Firefox ESR 78: No WebRender Mozilla introduced support for WebRender in Firefox 67 but only for a small part of the installation base. The organization started to enable WebRender on additional devices but has not yet rolled it out to all Firefox installations. WebRender is used to render webpages and applications with the help of the video card. The main advantage of WebRender is that it improves performance significantly when it is used. WebRender is not enabled in Firefox ESR 78. Firefox ESR 78: MITM Detection is disabled Firefox may detect if software on a device uses MITM (Man in the Middle) implementations. Security software may use it and this may lead to security and loading issues on the Internet. Firefox 78 Stable supports the detection of MITM if it is causing connection issues, whereas Firefox ESR 78 does not by default. If the stable version of Firefox suspects a connection issue caused by MITM, it sets the preference security.enterprise_roots.enabled to True, and tries the connection again. The setting is reset to False if the connection does fail, or kept set to True if it does not fail. Firefox administrators may enable the feature by setting security.certerrors.mitm.auto_enable_enterprise_roots to true. Firefox ESR 78: Use of client certificates enabled by default Firefox supports its own certificate store and it is the default store for all non-ESR versions. Firefox ESR on the other hand supports the use of client certificates by default. Administrators may disable the feature by setting security.enterprise_roots.enabled to false. Firefox ESR 78: Option to deactivate the add-on signature requirement Mozilla introduced mandatory extension signatures in Firefox 43. Add-ons that users want to install in Firefox need to be signed. Firefox Nightly, Developer, and Firefox ESR are the only Firefox channels that allow users to deactivate that requirement. Administrators need to change the value of xpinstall.signatures.required to False to do so. Firefox ESR 78: Additional Enterprise policies and updates The following policies are new or updated in Firefox ESR 78: (New) Handlers policy - Configure default application handlers. See here. (New) MasterPassword policy -- Configure whether a master password is required, or prevent it from being set. See here. (New) PDFjs policy -- Disable or configure PDF.js, Firefox's built-in PDf viewer. See here. (New) DisableDefaultBrowserAgent policy -- Only on Windows. Prevent the default browser agent from taking any actions. See here. (Updated) ExtensionSettings policy -- New restricted domains option to prevent extension access. See here. (Updated) DisabledCiphers policy -- Option to enable ciphers that Firefox has disabled. See here. The main differences between Firefox 78 and Firefox ESR 78 Link to comment Share on other sites More sharing options...
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