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Now, there are so many versions of internet browsers that it tends to be a bit messy. This is especially true for Firefox.

Different release life cycles

Here’s a brief history of the three main browsers. Sorry Opera and Safari fans…

Up to version 3, Mozilla team used to release a major version of Firefox once a year or every two years :

Version 1 in 2004 Version 1.5 in 2005 Version 2 in 2006 Version 3 in 2008 Version 3.5 in 2009 Version 3.6 in 2010

The differences between each version are significant as on functionality and the look & feel as on the layout and javascript engine.

Internet Explorer, a web dinosaur, follows a similar life cycle. There is a correlation between Windows releases and IE version increment.

Version 1 mid-1995 (Windows 95) Version 2 end 1995 Version 3 in 1996 Version 4 in 1998 (Windows 98) Version 5 in 1999 Version 6 in 2001 (Windows XP) Version 7 in 2006 Version 8 in 2009 (Windows Vista) Version 9 in 2011 (Windows 7) Version 10 coming in 2012 (Windows 8)

I don’t forget the youngest browser on the market : Chrome. In only two years of existence, Chrome has become one the most popular browser and has overtaken Firefox. Version increment is faster with several releases a year (or even two releases a month). Updates have become so routine that Google barely even mentions them anymore…

Version 1 end 2008 Version 2 mid-2009 Version 3 end 2009 … Version 8 end 2010 … Version 16 end 2011 Version 17 coming early 2012

Firefox in trouble

The conclusion is obvious. Chrome, which has been released 4 years after Firefox, is displaying a version number much more higher : Firefox 3.6.13 and Chrome 8 in early 2011. The longevity of IE is such that Microsoft does not need to speed up its release cycle (IE 9 in 2011).

Let’s take a user who has the choice between an application X in version 2 and an application Y in version 12 and knowing that both applications have similar features. Unless strong constraints, it is likely that he will use the application Y. A higher number version means a better, up-to-date, stable and reliable application with the latest features. Of course, this is not necessarily true, but it’s a perfectly legitimate and natural choice.

Mozilla reactions

To prevent losing market share and to keep up with its competitors, Mozilla introduced a fast release schedule after Firefox 3.6 (every six weeks) :

Version 4 in March 2011 Version 5 in June 2011 Version 6 in August 2011 Version 7 in September 2011 Version 8 in November 2011 Version 9 in December 2011 Version 10 coming end January 2012

Firefox and IE are in the running for 2012 with a version number in double-digit. At this rate, Chrome would reach version 30 (!!) by the end of the year.

Firefox, available in several “flavors”

At the same time, Mozilla has introduced new distribution channels. We used to have a Beta and Stable channel. Now, the existing “Nightly” channel has been highlighted in the process and we also have an “Alpha” channel, which sits between Nightly and Beta (a kind of pre-beta).

This is the agile concept of continuous integration, with the building of the latest software version every day (nightly build) and the possibility to release a new version more often. User has access to the latest features, but it means there will be bugs and issues. Indeed, goal is to provide some feedback for the development team, as soon as possible, in order to include correction and enhancement in beta and stable revisions. In the same time, Mozilla has found a more recognizable name to its alpha channel : “Aurora”. The community has also designed new logos and a dedicated web page.

The different Firefox logos

Since version 4.0, Firefox is now available for mobile devices, with stable, Beta and Aurora channels like the Desktop version. Mobile and Desktop versions share the same version increment.

Here are the links to download your version of Firefox :

• Stable Desktop Version: http://www.mozilla.org/en-US/firefox/all.html
• Stable Mobile Version : https://www.mozilla.org/en-US/firefox/browsers/mobile/
• Beta and Aurora for Desktop and Mobile Versions : http://www.mozilla.org/en-US/firefox/channel/

All versions (included old releases) are also available on the Mozilla’s official FTP : ftp.mozilla.org/pub/firefox/.

ESR, the new Firefox flavor in 2012

In early 2012, Mozilla announces a new version of Firefox (again !) with an extended support, Firefox ESR (Extended Support Release).

Firefox ESR is a variation of the Desktop version designed for enterprises with a slower release cycle that allows organizations more time to certify and test new releases of the browser.

Firefox release plan

Firefox 10 will be the first Extended Support Release and will incorporate security updates. The ESR release cycle will be slower and similar to the old one (before version 4) with a major release every year. For example, a company will have to update from Firefox ESR 10.x to ESR 17.0 (17 is not arbitrary, an ESR version will be supported for one year with security updates).

Note :

• Because Firefox 3.6 is still receiving security updates (it will until April 24th, 2012), it can be seen as an unofficial ESR version. Companies would be well advised to update to Firefox 10.0 ESR (planned for the 31st of January 2012) when Firefox 3.6 will not be supported anymore.
• Diagram and key dates above are provided for information only, this is a draft plan and there will probably be some changes.

What’s next ?

Is this multiplicity of versions will make Firefox losing users ? Is it meaningful to keep high version numbers ? Will Microsoft have to adopt a rapid release development cycle ? Late 2013, will Chrome be in version 50 ?

So many questions unanswered, but I hope this article has helped you to find your way in all these versions…

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First article in 2012, a good opportunity to wish you a happy new year ! Obviously, consider this only if we still are in January 2012 when you are reading these lines…

Several people have asked me how do I change my avatar, the one that appears when I comment on blogs like this one.

Here is the magic recipe, ready in few minutes :

• Create your Gravatar account (A Globally Recognized Avatar)
• Register your email address
• Upload your avatar and that’s it !

So easy that we should have thought of this ! How does it work ? Most of the time, when you comment on a blog post, your email address is required. Why ? To ensure that you are not a bot ? To send you tons of spam ? Or both ? At the end, we are tempted to put a fake email… But what you don’t know is that your email address is used to match your Gravatar…

Gravatar example

You can add multiple email addresses to your Gravatar account with a specific matching image for each or only one for all, you can configure it. The good new when you activate your Gravatar is that it applies retroactively to old comments (if the email address you gave has been registered).

No frills, managing your account is easy, Gravatar is very simple to use and that’s what we want. What about any advanced features ? Gravatar allows users to self-rate their avatars so that they can indicate if an image is appropriate for a certain audience, like in movies (any audience, explicit content, etc.). You choose the rating of your avatar but the maximum allowed rating is set by the administrator of the site.

Famous blogging and forum software support Gravatar but keep in mind that some sites don’t. The official documentation explains how to implement the Gravatar management API on your own site.

Recently, Gravatar has released the “Hovercard” feature, an advanced tooltip containing your public profile. Very useful to find out about who is behind your comments simply by moving your mouse over their Gravatar. All blogs do not yet support Hovercards (only WordPress at the moment).

Hovercard example

Finally, there is only one disadvantage : from now on, you can not post silly comments anonymously…