firefox-42.0

[Fernando de Oliveira]

​https://ftp.mozilla.org/pub/firefox/releases/42.0/source/firefox-42.0.source.tar.xz

​https://ftp.mozilla.org/pub/firefox/releases/42.0/MD5SUMS

Dead link. SHA512SUMS file only refers to .bz2.

​https://ftp.mozilla.org/pub/firefox/releases/42.0/MD5SUMS.asc

Dead link.

​https://www.mozilla.org/en-US/security/known-vulnerabilities/firefox/#firefox42.0

Nothing new

​https://www.mozilla.org/en-US/firefox/42.0/releasenotes/

Release Notes

Following what is still for beta.

Firefox Beta Notes
Version 42.0beta, first offered to Beta channel users on September 23, 2015
View notes for:

New

 • Private Browsing with Tracking Protection blocks certain Web elements
   that could be used to record your behavior across sites

 • Control Center that contains site security and privacy controls

 • Login Manager improvements:
    ◦ Improved heuristics to save usernames and passwords
    ◦ Edit and show all logins in line, Copy/Paste usernames/passwords
      from the Context menu
    ◦ Migration imports your passwords to Firefox from Windows Chrome
      and IE; import anytime from the Login Manager

 • WebRTC improvements:
    ◦ IPV6 support
    ◦ Preferences for controlling ICE candidate generation and IP
      exposure
    ◦ Hooks for extensions to allow/deny createOffer/Answer
    ◦ Improved ability for applications to monitor and control which
      devices are used in getUserMedia

 • Indicator added to tabs that play audio with one-click muting

Changed

 • Improved performance on interactive websites that trigger a lot of
   restyles

HTML5

 • Implemented ES6 Reflect

 • Support ImageBitmap and createImageBitmap()

 • Media Source Extension for HTML5 video available for all sites

Developer

 • View HTML source in a tab

 • Remote website debugging over WiFi (no USB cable or ADB needed)

 • Asynchronous call stacks now allow web developers to follow the code
   flow through setTimeout, DOM event handlers, and Promise handlers.

 • Configurable Firefox OS Simulator in WebIDE, to simulate reference
   devices like phones, tablets, even TVs

 • CSS filter presets in the Inspector

 • Ability to save filter presets inside CSS Filter Tooltip

Known Issues

unresolved

 • URLs containing a Unicode-format Internationalized Domain Name (IDN)
   are not redirected properly, leading to a Server Not Found error.

[Fernando de Oliveira]

Fixed at r16616.