See what’s new in Firefox!

Pinned tiles on the new tab page can be synced

Support for the full HTTP/2 protocol. HTTP/2 enables a faster, more scalable, and more responsive web.

Locale added: Uzbek (uz)

36.0.1 - Hello may become inactive until restart (1137469)

36.0.1 - Fixed a startup crash with EMET (1137050)

36.0.1 - WebGL may use significant memory with Canvas2d (1137251)

36.0.1 - Disable the usage of the ANY DNS query type (1093983)

36.0.1 - Hello contact tabs may not be visible (1137141)

36.0.1 - Accept hostnames that include an underscore character ("_") (1136616)

36.0.1 - Print preferences may not be preserved (1136855)

36.0.1 - Option -remote has been restored (1080319)

36.0.1 - Fix a top crash

CSS gradients work on premultiplied colors

Various security fixes

Fix some unexpected logout from Facebook or Google after restart

Shut down hangs will now show the crash reporter before exiting the program

Phasing out Certificates with 1024-bit RSA Keys

No longer accept insecure RC4 ciphers whenever possible

Add-on Compatibility

DOM Promises inspection

Eval sources now appear in the Debugger
Debug JavaScript code that is evaluated dynamically, either as a string passed to eval() or as a string passed to the Function constructor

Inspector: More paste options in markup view

Improved ES6 generators for better performance

CSS3 will-change property implemented.
Hints the browser of elements that will be modified. The browser will perform some performance optimization for these

isolation CSS property implemented.
Create a new stacking context to isolate groups of boxes to control which blend together

object-fit and object-position implemented.
Defines how and where the content of a replaced element is displayed

CSSOM-View scroll behavior implemented allowing smooth scrolling of content without custom libraries

unicode-range CSS descriptor implemented

Support for the ECMAScript 6 Symbol data type added

Changed JavaScript 'const' semantics to conform better to the ES6 specification.
The const declaration is now block-scoped and requires an initializer. It also can not be redeclared anymore.

Firefox Hello does not work for link generators if there is no camera installed (1106941)

For users who removed the Share & Hello buttons, this new version brings them back unexpectedly (1136300)

Style Editor: Extra white space appearing above the editor for a sourcemapped scss file (1128747)