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Running Zotero Development Builds

If you're not planning to make code changes and just want to run the latest prerelease version of Zotero (e.g., to take advantage of a recent bug fix or test a new feature), you can install a development XPI of Zotero. These XPIs are built regularly and generally have not been rigorously tested.

(If you do want to make code changes, see Zotero Source Code.)

Once you've installed a development XPI, you can update to the latest build at any time via Tools→Add-ons→Find Updates.

Zotero for Firefox Development XPIs

Zotero 4.0 Beta

4.0 Beta XPIs are built regularly from the 4.0 development branch and contain changes since the latest 4.0 release. While 4.0 beta XPIs should be fairly safe to use, regular backups of your Zotero data are always recommended. You can generally revert to the latest official version simply by reinstalling it from the Zotero download page.

Install Zotero 4.0 Beta XPI

Zotero 5.0 Beta

5.0 Beta XPIs are built from the master branch, which is the development line for Zotero 5.0. See the 5.0 Beta announcement for more details.

Word Processor Plugins Development Builds

Beta versions of the word processor integration plugins may contain changes not yet available in the latest stable version.

While beta versions of the integration plugins can potentially cause corruption of Zotero fields within word processor documents (though this is unlikely), they will not cause any data loss within Zotero itself.

To install a beta build, download it into Firefox for Zotero for Firefox or save the XPI to disk and drag it into the Tools → Add-ons → Extensions pane in Zotero Standalone.

You can always revert to the latest stable version for Zotero for Firefox by reinstalling it from the word processor plugin installation page. In Zotero Standalone, you can revert to the bundled version simply by removing the extension from the Add-ons window.

Connector Debug Builds

Connector debug builds are identical to released connector versions, but include the automated translator testing tool accessible from the preferences. Because the testing tool imposes overhead on every page load, they are not recommended for everyday use.

You can always revert to the latest stable versions by reinstalling them from the Zotero download page

Install Chrome Connector (Debug) 2.999.1
Install Safari Connector (Debug) 3.0b1