Firefox/Roadmap

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Please note that the dates, reported content, and even branching strategy are subject to change, and that any document about roadmap that's more than 30 days old is likely to not be very relevant anymore. Things move fast on the Internet; if you don't stop to look around every once in a while, you might miss them.

          2009 .........................................2010........................................................................
                 08      09     10     11     12     01     02     03     04     05     06     07     08     09     10     11     12   
mozilla-central -------------------------------------------------------------------------------------------------------------------->   
                  |                                   |                                  |
mozilla-1.9.1   --{-----------------]                 |                                  |
                  |                                   |                                  |
mozilla-1.9.2     '-----------------------------------{-------------]                    |
                                                      |                                  |
mozilla-1.9.3                                         '----------------------------------{------------------------------------------>   
                                                                                         |
mozilla-1.9.4                                                                            '------------------------------------------>   

                                 \...../                         \...../                                              \...../
                               Firefox 3.6                     Firefox 3.7                                           Firefox 4
                              (minor update)                  (minor update)

Firefox 3.6 / Fennec 1.0

mozilla-1.9.2 branch

Q3/Q4 2009

Support delivery of mobile device and Windows CE device Firefox releases as well stabilize and update Firefox quickly to improve application responsiveness.

• platform enhancements
  • interruptible reflow
  • phase one of compositor
  • Windows 7 integration
• end user feature enhancements
  • lightweight themes (Personas)
  • awesomeformcomplete
• speed and responsiveness improvements
  • asynchronous location bar
  • tracemonkey engine improvements
  • improved scrolling model on Windows
  • tilecache on Maemo and Windows Mobile
  • optimized session restore to show focused tab contents quickly
  • startup optimizations

Firefox 3.7 / Fennec 1.1

mozilla-1.9.3 branch

Q1/Q2 2010

Run plugins in a separate process to improve overall application stability and responsiveness. Improve startup time

• platform enhancements
  • out of process plugins
  • phase two of compositor
  • support for animation in XUL
• end user feature enhancements
  • bookmark synchronization
  • run websites as an application
  • task oriented browsing
• speed and responsiveness improvements
  • tracemonkey engine improvements
  • pageload optimizations

Firefox 4 / Fennec 2

mozilla-1.9.4 branch

Q3/Q4 2010

Process separation for chrome and content, new extensibility mechanism through APIs, revised UI on all platforms

• platform enhancements
  • content and chrome in separate process
  • binary component versioning
  • new extensibility platform (JetPack)
• end user feature enhancements
  • browser sync (Weave)
  • new UI on all platforms
• speed and responsiveness improvements
  • tracemonkey engine improvements