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Labs/Jetpack/Release Notes/1.2.1

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About

Add-on SDK is a software development kit that provides a set of tools and APIs for building, testing, and packaging Firefox add-ons.

The 1.2.1 release is a hotfix release, replacing the 1.2 release and fixing bug 695788, which would have prevented add-ons from being distributed on https://addons.mozilla.org/en-US/firefox/.

It is the third stable release of the SDK. It's mostly a stabilization release, and does not include many major new features.

Installation

Obtain the SDK in your favorite compression format:

Then unpack the archive, open the addon-sdk-1.2.1/README.txt file, and follow its instructions.

Major Changes Since 1.1


Bug 640081: Add "reload" method to tabs in the tabs module

Bug 678556: Add "name" and "version" to "self" module

Bug 680821: Report module URLs in about:memory

This change makes the about:memory page show the memory consumed by any loaded SDK modules. Note that this feature won't actually be usable until Firefox 9, as it depends on bug 673331.

Bug 679479: Document how to communicate between content scripts and page scripts

This expands the documentation of content scripts, in particular explaining the access content scripts have to DOM objects, and how content scripts can communicate with page scripts.

Known Issues

See the complete list of known issues and requests for enhancement. We've listed some of the more important issues separately below.

Bug 638742

If your add-on has a long name, and the path to your Firefox profile is long enough, then the XPI installation process will try to create an intermediate file with a name longer than the maximum supported length on some Windows systems. If that happens you may get an error like:

"<your add-on> could not be installed because Firefox cannot modify the needed file"

The main fix for this will be bug 638742, which is to stop unpacking the XPI completely. When that is done, none of the pathnames will matter: they'll all stay safely trapped inside the zipfile. At that point, the name of the XPI file and the length of the profile directory will be the only issues.

Until then, the best advice is to use shorter package names or install Firefox higher up the directory tree so the profile directory's absolute path is shorter.

Bug 663480

The SDK automatically includes a dependency on the packages supplied with the SDK such as addon-kit and api-utils. This means that you can require() modules in the SDK such as widget without having to specify addon-kit as a dependency.

You can also use modules from other packages, such as the packages listed here, by including a reference to the package in your package.json file.

However, if you do add any dependencies to package.json, then the SDK will no longer add addon-kit or api-utils automatically, and you must add them manually if you want to include their modules.

Bug 663048

The SDK will give an error if your package name contains spaces or Unicode characters.

Bug 627432

If your add-on stores data using the simple-storage API, the data is not cleaned up when your add-on is uninstalled.

Bug 656037

Some core JavaScript functions, such as btoa(), are not available to add-on code.

Bug 581982

selection.text returns null instead of the selected text when the selection is in a text box or text area.

Bug 571049

If an add-on is uninstalled while it's disabled, it's not notified of uninstall. If the add-on needs to do some special cleanup on uninstall, like removing persistent storage such as a file, this won't be possible if it has been disabled.

Bug 571843

bin\activate fails to find 64-bit Python on 64-bit Windows environments, as it assumes Python is 32-bit.

Bug 574563

On Windows, bin\activate sometimes gives the following error:

"Error:  The system was unable to find the specified registry key or value"

This does not seem to affect the functioning of the SDK.

Bug 660862

By default, widgets are placed on the add-on bar, and given a height to match the height of that bar. If the user moves the widget to a different toolbar, and that toolbar has a different height, the widget's height is not updated accordingly.

Bug 660857

A widget containing HTML content gets no icon in the Customize Toolbar Window.

Bug 660860

When a user removes a widget from the toolbar its detach event does not get sent.

Bug 661884

Selection events for a page are not sent if the page did not fully load (for example, because the user stopped the page loading).

Bug 556562: mozrunner installation may break cfx test

If you have copy of mozrunner installed on your system, the cfx test command may not work correctly.

There is a workaround for this.

Feedback and Bug Reports

We'd love to hear any feedback you have regarding this release! You can post it to the discussion group or report a bug.