Mozilla Firefox 38 Released [How-to-Upgrade]

May 13, 2015

Firefox 38

A new stable release of Mozilla Firefox web browser has been release yesterday with new features include tab-based preferences, and responsive image support.

Here’s the full list of changes in Firefox 38:

  • New tab-based preferences
  • Ruby annotation support
  • Base for the next ESR release.
  • autocomplete=off is no longer supported for username/password fields
  • URL parser avoids doing percent encoding when setting the Fragment part of the URL, and percent decoding when getting the Fragment in line with the URL spec
  • RegExp.prototype.source now returns “(?:)” instead of the empty string for empty regular expressions
  • Improved page load times via speculative connection warmup
  • WebSocket now available in Web Workers
  • BroadcastChannel API implemented
  • Implemented srcset attribute and element for responsive images
  • Implemented DOM3 Events KeyboardEvent.code
  • Mac OS X: Implemented a subset of the Media Source Extensions (MSE) API to allow native HTML5 playback on YouTube
  • Implemented Encrypted Media Extensions (EME) API to support encrypted HTML5 video/audio playback (Windows Vista or later only)
  • Automatically download Adobe Primetime Content Decryption Module (CDM) for DRM playback through EME (Windows Vista or later only)
  • Optimized-out variables are now visible in Debugger UI
  • XMLHttpRequest logs in the web console are now visually labelled and can be filtered separately from regular network requests
  • WebRTC now has multistream and renegotiation support
  • copy command added to console
  • Various security fixes

via: firefox 38 release note.

How to Upgrade to Firefox 38:

The new release has been made into the Ubuntu security repository half an hour ago. Ubuntu 15.04, Ubuntu 14.10, Ubuntu 14.04, Ubuntu 12.04, Linux Mint 13/17, eOS Freya/Luna users can easily upgrade to Firefox 38 via Software Updater or Updater Manager:

firefox38

I'm a freelance blogger who started using Ubuntu in 2007 and wish to share my experiences and some useful tips with Ubuntu beginners and lovers. Please notify me if you find any typo/grammar/language mistakes. English is not my native language. Contact me via [email protected]

One response to Mozilla Firefox 38 Released [How-to-Upgrade]

  1. Hoover Campoverde May 14, 2015 at 3:35 pm

    Thank you Ji m. Always your help is so neccesary. Now I have my fave web browser (Firefox) updated using Ubuntu 14.04.2LTS amd64.