Firefox 50 Released: Find out what is new

"... All beta channels have received updates as well. This means that Firefox Beta is now on version 51, Firefox Developer Edition on version 52, and Firefox Nightly on version 53. Firefox ESR, the Extended Support Release version of the browser was updated to version 45.5. ..."
Source: gHacks Tech News
Details  Firefox 50 Released: Find out what is new

Firefox 49: two new system add-ons to fix Flash and graphics issues

"Mozilla has started to distribute two new system add-ons for Firefox 49.0 and Firefox 49.0.1 to address two issues affecting Adobe Flash Player and graphics issues.
"The organization is working on Firefox 49.0.2 currently, but made the decision to release two new patches for the current stable version of Firefox as system add-ons to address issues that users are affected by.
"System add-ons are like hotfixes. They can be pushed out to all Firefox users who have automatic updates enabled to fix issues of the browser. That's usually a lot faster than having to create a new build of Firefox.
"The two system add-ons address two issues in Firefox 49 and 50. ..."
Source: gHacks Tech News
 Firefox 49: two new system add-ons to fix Flash and graphics issues

Device management coming to your Firefox Account

"Today we are beginning a phased roll out of a new account management feature to Firefox Accounts users. This new feature aims to give users a clear overview of all services attached to the account, and provide our users with full control over their synced devices. ..."
Source: Mozilla Cloud Services
 Device management coming to your Firefox Account

Firefox 49 for Linux: Plugin-Free Netflix and Amazon Video

"Mozilla plans to support plugin-free streaming on Netflix and Amazon Video on Firefox for Linux starting with version 49 stable of the browser. ... Mozilla Firefox users on Windows and Mac devices may stream encrypted HTML5 video streams already. ..."
Source: gHacks Tech News
Details  Firefox 49 for Linux: Plugin-Free Netflix and Amazon Video

Exciting Improvements Delivered Today in Firefox for Desktop and Android

"Today we’re proud to announce the initial rollout of multi-process Firefox for Desktop to our general audience. With this, we’re taking a major step forward in improving Firefox for Desktop. Users should experience a Firefox that is less susceptible to freezing and is generally more responsive to input, while retaining the experience and features that users love. ..."
Source: The Mozilla Blog
More  Exciting Improvements Delivered Today in Firefox for Desktop and Android

New features: Firefox for iOS

"Having brought is mobile firmware aspirations to an abrupt end by ditching the Firefox OS, Mozilla has had a little more time to focus on its speciality—great browsing experiences. The Firefox client has long been a front-runner at desktop level, and in recent times, has garnered a strong user base through Google's Android as well. It wasn't until last year that Firefox could finally grace the App Store with its presence, and rather disappointingly, the iOS version was considerably scant on the features front. Thankfully, the latest update plugs many of those gaps. ..."
Source: Phone Arena
Details  Mozilla adds a slew of new features to Firefox for iOS

Reducing Adobe Flash Usage in Firefox

"... Mozilla and the Web as a whole have been taking steps to reduce the need for Flash content in everyday browsing. Starting in August, Firefox will block certain Flash content that is not essential to the user experience, while continuing to support legacy Flash content. These and future changes will bring Firefox users enhanced security, improved battery life, faster page load, and better browser responsiveness. ..."
Source: Mozilla
 Reducing Adobe Flash Usage in Firefox | Future Releases