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Which version of firefox should I support?

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Cheng Liang

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Nov 22, 2009, 8:41:37 PM11/22/09
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Hi, there! I want to develop an extension of firefox, but I found
there are several versions. I use 3.5 in daily life, so is it
necessary to install 3.0 or 2.0 in order to develop an extension?
Which is the lowest version number your extension support? Thanks all!

Roberto Bouzout (tito)

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Nov 23, 2009, 4:25:42 AM11/23/09
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On Nov 22, 10:41 pm, Cheng Liang <chengliang.s...@gmail.com> wrote:
> Hi, there! I want to develop an extension of firefox, but I found
> there are several versions. I use 3.5 in daily life, so is it
> necessary to install 3.0 or 2.0 in order to develop an extension?
Is not necessary. More versions supported = more users can make use of
your extension.
But this will depend of some factors, there is features that may not
work on previous versions or were introduced in newer browser
versions.
All will depend on the usage and implementation of your add-on.

> Which is the lowest version number your extension support? Thanks all!

I have an extension that supports SeaMonkey 1.* and Firefox 2.*
Then for example with the new Firefox 3, I introduced some database
usage (SQLite).
So now I have 2 versions. Last one updated regularly and the old-one
for SeaMonkey 1.* and Firefox 2.* picked in a place for these users,
but not more updated.

I prefer to "force" users to get the latest version of the browser
because is more secure.
But there is users that for X valid reasons can't upgrade or install
newer versions.

Benjamin Smedberg

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Nov 23, 2009, 9:21:28 AM11/23/09
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Firefox 3.5.x is the current released version.

Firefox 3.0.x is still a supported version... we will continue supporting
this series with security and stability updates for six months after Firefox
3.5 was released (at least until January).

Firefox 3.6 is currently in late beta and will going to release candidates
shortly.

You should focus on making your extension compatible with Firefox 3.5.x and
Firefox 3.6 betas. If you have time and want to support users on older
versions you can go back and make it work with Firefox 3.0.x also, but that
might be diminishing returns on your time.

--BDS

David E. Ross

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Nov 23, 2009, 9:50:52 AM11/23/09
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It is possible that your extension will not be specific to any version
at all. PrefBar works with SeaMonkey 1.x, SeaMonkey 2.x, Firefox 2.x,
Firefox 3.0.x, and Firefox 3.5.x. (However, some of the buttons in
PrefBar are specific to certain versions.) This all depends on the
functionality of your extension and on its interface with the
application onto which it is installed.

--
David E. Ross
<http://www.rossde.com/>

Go to Mozdev at <http://www.mozdev.org/> for quick access to
extensions for Firefox, Thunderbird, SeaMonkey, and other
Mozilla-related applications. You can access Mozdev much
more quickly than you can Mozilla Add-Ons.

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