We are excited to announce the release of Zotero 4.0 Beta 2. Zotero 4.0 is a major update over 3.0, offering many new features and bug fixes, including:

• Tag colors
• On-demand download support
• Relative path support for linked files
• Automatic style updating for all installed styles
• Automatic journal abbreviation support
• Firefox 20 compatibility (Zotero for Firefox)

…plus much more. See the 4.0 changelog for more details and a complete list of changes.

Please note: Zotero 4.0 is currently beta software, and you may encounter bugs while using it. If you're not comfortable using beta software or are in the middle of an important project, we strongly recommend using the stable version of Zotero, available from the main download page.

Zotero 4.0 for Firefox is compatible with Firefox 17 and later.

• Install Zotero 4.0b2 for Firefox

• Download Zotero 4.0b2 for Mac
• Download Zotero 4.0b2 for Windows
• Download Zotero 4.0b2 for Linux i686
• Download Zotero 4.0b2 for Linux x86_64