4.0.8.2 was released for Chrome only.

• Fix installation from Chrome Web Store.

4.0.8.1 was released for Chrome only.

• Fix compatibility with Chrome 25 and older.

• Avoid proxies configured to proxy localhost. Such proxies will still break communication between the Chrome connector and Zotero Standalone, but shouldn't interfere with saving via zotero.org.
• Chrome: Chrome 29 compatibility.
• Chrome: Fixes disappearing URL bar icon on pages where the URL changes without a refresh.
• Opera: Opera Next compatibility.
• Translation-related changes from Zotero 3.0.9-4.0.8.

• Fixes a bug that could prevent multiple items from being saved.

• Saves PDFs and other attachments when Zotero Standalone is closed.
• Translation-related changes from Zotero 3.0.4-3.0.8.
• Safari: Fixes a bug that could prevent PDFs from being saved.

• Translation-related changes from Zotero 3.0.1-3.0.3.

• Translation-related changes from Zotero 3.0.

• Translation-related changes from Zotero 3.0rc1.

• Translation-related changes from Zotero 3.0b2-3.0b3.

• Ported Zotero for Firefox translation architecture to Chrome and Safari. Many translators now run with Zotero Standalone is closed.
• Adds ability to save a snapshot of the current page when Zotero Standalone is running.
• Adds ability to report errors and submit debug output.
• Adds translator test interface (debug builds only).

• Improves item selector functionality.

• Initial release.