Firefox 38.0.6 [Update]

---- June 9, 2015 ----
Firefox 38.0.6 is now available for download and all existing users should be able to upgrade to it automatically (Menu > Help menu > About Firefox). This build contains many improvements including:
  • n/a

---- June 2, 2015 ----
Firefox 38.0.5 is now available for download and all existing users should be able to upgrade to it automatically (Menu > Help menu > About Firefox). This build contains many improvements including:
  • Keep track of articles and videos with Pocket.
  • Clean formatting for articles and blog posts with Reader View.
  • Share the active tab or window in a Hello conversation.

The following bugs were fixed in Firefox 38.0.5:
  • A race condition that would cause Firefox to stop painting when switching tabs.
  • Graphics performance when using the built-in VGA driver on Windows 7.

---- May 12, 2015 ----
Firefox 38.0 Final released
Mozilla has released the final version of Firefox 38.0 for both desktop and mobile. Firefox 38.0 for desktop includes an integration with the Adobe Content Decryption Module (CDM) to playback DRM-wrapped content. It also include support for the Ruby HTML 5 markup.

Firefox 38.0 for android includes improved user interfaces - New "Welcome Screen", Reader View controls, "Synced Tabs" panel new layout on Tablets and "Add to Firefox" feature from outside Firefox. It also includes support for Ruby annotation as well.

The new version also address multiple vulnerabilities, some of which could allow a remote, unauthenticated attacker to completely compromise a vulnerable system. Firefox 38.0: Security fixes can be found here.

What's new features in Firefox 38.0?
According to Firefox release notes, Firefox 38.0 for desktop has the following changes:

New:
  • New tab-based preferences.
  • Ruby annotation support.
  • Base for the next ESR release.

Changed:
  • 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.

HTML5:
  • Mac OS X: Implemented a subset of the Media Source Extensions (MSE) API to allow native playback on YouTube
  • Implemented Encrypted Media Extensions (EME) API to support encrypted 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)
  • WebSocket now available in Web Workers
  • BroadcastChannel API implemented
  • Implemented srcset attribute and <picture> element for responsive images
  • Implemented DOM3 Events KeyboardEvent.code

Developer:
  • 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
  • copy command added to console
  • WebRTC now has multistream and renegotiation support
  • 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
  • copy command added to console
  • WebRTC now has multistream and renegotiation support

You can find the full changelog here.

According to Firefox release notes, Firefox 38.0 for android has the following changes:
New:
  • Improved user interfaces:
    • New "Welcome Screen"
    • Reader View controls (on Tablets and Phones)
    • "Synced Tabs" panel new layout (on Tablets)
    • "Add to Firefox" feature (from outside Firefox)
  • Ruby annotation support
  • Support for the Android L theme
  • Send a tab to another connected device with the 'Send to device' option in the "share" menu
  • Add a website to your Reading List with the "Add to Reading List" button in the overflow menu
  • Locale added: Azerbaijani (az)

You can find the full changelog here.

Download Firefox 38.0
The links in this section correspond to files available for this download. Download the files appropriate for you.

Firefox 38.0.1 (May 14, 2015):
Firefox 38.0.1 includes the following:
  • Systems with first generation NVidia Optimus graphics cards may crash on start-up.
  • Users who import cookies from Google Chrome can end up with broken websites.
  • WebRTC H264 video streams from CiscoSpark native clients are not decoded correctly. ( in Firefox ESR 38.0.1; was already in Firefox 38.0)
  • Large animated images may fail to play and may stop other images from loading.

Screenshots:

 Save to Pocket

Firefox 38.0.1

Firefox 38.0.1

New tab-based preferences.

Reference:
Firefox 38.0 Release Notes

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