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Zotero Connector and Safari 13
A beta version of the Zotero Connector for Safari 13 is available.
There's currently an issue where the Zotero beta may need to be redownloaded and reinstalled into Applications after an app update to restore the Zotero Connector functionality in Safari.
Follow @zotero on Twitter for updates.
While Zotero has offered a Zotero Connector for Safari for many years, in Safari 13 Apple discontinued support for the original type of Safari extension, causing the Zotero Connector and many other extensions to no longer work.
These Safari extensions, which worked similarly to extensions for Chrome and Firefox, were discontinued in favor of Safari App Extensions, a much more limited type of extension that must be distributed as part of a Mac app.
We invested significant resources building a Safari App Extension version of the Zotero Connector, but due to what we believe to be a bug in macOS, Zotero app updates can cause the extension to become permanently disabled in Safari, requiring the Zotero app to be deleted from Applications and reinstalled. We're hoping to find a workaround for this problem, but until then, the new extension will remain available only as part of the Zotero beta.
Due to this problem and the general limitations of Safari App Extensions, for the best Zotero experience, you may wish to use the Zotero Connector for Chrome or Firefox instead. Chrome and Firefox provide powerful extension frameworks that allow us to offer advanced functionality such as automatic proxy detection and automatic RIS/BibTeX import, features that weren't possible in Safari even before Apple further restricted what Safari extensions can do.
Note that Zotero is, to our knowledge, the only tool of its kind that has offered a dedicated extension for Safari instead of a much more limited bookmarklet. While Zotero offers a bookmarklet as well, the “Intelligent Tracking Prevention” in the latest versions of Safari can prevent the bookmarklet from working properly as it does in other browsers, so the bookmarklet may not serve as a suitable alternative at this time.