Firefox 27 is now available for download

Mozilla Firefox 27Mozilla has released Firefox 27 for Windows, Mac and Linux platforms. The update reportedly makes the web browser faster, more secure and more social on the desktop platforms. Firefox for Android has also been updated with a fix for Flash on KitKat, WebRTC, new languages, UI tweaks and more.

You can download the update to your device by heading over to Help > About on your Firefox browser or by pointing your browser to You can also download the latest version and install the update manually using the links which follow:

You can download Firefox for Android version 27 directly on your device through the Google Play Store or by using the link which follows:

Download from the Google Play Store
Price Free
Requirements Android 4.2 or greater

What's new in Firefox version 27 for Android

One of the advantages of using Firefox on Android is the ability to watch Flash videos on your mobile device. Unfortunately this feature was broken when Google released Android 4.4 KitKat. With the version 27 update, Mozilla has fixed this issue, bringing back Flash support to KitKat.

The update also includes translations for Lithuanian, Slovenian, South African English and Thai languages, plus a default Clear Sans font and a few user interface tweaks to the favicon system. The iOS-style over-scrolling (the little flash of color you get when you try to scroll past the end of the page) on web content has been removed and switched to an Android-standard highlight . Highlighting text is now a little easier, and TLS 1.1/1.2 is now enabled by default to improve security and privacy

Additionally there are numerous additions that will be useful for web developers (most notably WebRTC support) along with the usual security and bug fixes. You can check them out with links to the relevant Bugzilla pages in the full release notes.

What's new in Firefox version 27 for Windows, Mac and Linux

As detailed in the release notes, the major new feature is support for the Firefox SocialAPI. Mozilla describes the SocialAPI as "a new API to make it easier for web browsers to integrate with social media services. Once a social service provider is implemented for Firefox, it becomes possible for the browser to display in-chrome user controls and information related to that service."

Three SocialAPI plugins are available today: Facebook Messenger for Firefox, Cliqz, and Mixi (Japan only). Facebook Messenger pane stays up and running while you browse through other websites.

You can now run more than one service at a time with Firefox SocialAPI, allowing you to receive notifications, chat and more from multiple integrated services. While there may be plugins, websites or apps that do the same thing, SocialAPI makes it part of the core Firefox browser.

The new version turns on TLS (Transport Layer Security, the successor to SSL) versions 1.1 and 1.2 by default. Like many browsers, Firefox has supported these standards for a while, but has not turned them on by default because of potential problems they might cause with web sites which don't support modern standards. By now, the level of support and the security benefit are such that it makes sense to turn the feature on.

Even viewing this setting is inconvenient and unobvious. There is no UI in the Settings dialog for TLS support levels. Users must go to about:config and look for the securty.tls.version.min and securty.tls.version.max values. The min value lists the oldest standard Firefox will support and max the newest one. 0 is SSL 3.0 (the last version before TLS), 1 is TLS 1.0, 2 is TLS 1.1, etc. The new values are min=0 and max=3; in Firefox 26 max=1.

Firefox 27 adds support for the SPDY 3.1 protocol. According to the documentation, SPDY "...adds a framing layer for multiplexing multiple, concurrent streams across a single TCP connection (or any reliable transport stream)." The standard is designed so as to require little or no change in web application development.

The new version also adds numerous developer features described in the release notes.

Finally, Firefox 27 also fixes 15 security vulnerabilities, five of them critical.

source - Mozilla | Android Police | ZDNet

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