For changes in Zotero 3.0 releases, see the 3.0 changelog.

• Fixed Word for Windows integration, broken in 2.1.9

• Allow “Create Parent Item from Selected Item” for PDFs
• Detect all issues in database integrity check that DB Repair Tool fixes
• Added ISI to automatically imported file types

• Fixed opening of Zotero 3.0 databases
• Sync fixes
  • Fixed random sync errors with large transfers
  • Fixed at least one cause of “'[num]' is not a valid field for type [num]” sync error
  • Skip and log too-long filenames on Linux (mostly advertising files)
  • Fixed “Zotero.Libraries.getGroupIDFromLibraryID” is not a function error
• Don't auto-associate proxy domains if an HTTP error code is received
• Fixed saving authors from COinS
• Notes were copied as raw HTML if more than one empty paragraph
• Fixed some UI issues in preferences
• Don't allow unreasonable window positions for word processor integration dialogs
• Fixed NS_ERROR_MALFORMED_URI saving from some sites via proxy
• Fixed Zotero startup breakage in Firefox nightlies
• Fixed snapshot saving of application/xhtml+xml
• Fixed Author misordering in COinS when rft.au and rft.aulast combine
• Miscellaneous other fixes

• Translator architecture changes (details)
• Updated citeproc-js to 1.0.202
• Merge XPath utilities, Z/ZU shortcuts, and DOMParser fix
• Deprecated Zotero.JSON

• Fixed cases of unending sync icon spinning
• Allow CSL 1.0 dependent styles to reference CSL 0.8 parents, and vice versa
• Parse mm/yyyy properly on non-US systems
• Updated citeproc-js to 1.0.195
• Fixed gradients in collection/item lists on OS X

• Firefox 5 compatibility
• Switched code license from GPLv3 to Affero GPL
• Clicking the Toggle Tab Mode button when the Zotero tab is the only tab open will now open the home page
• Changed creator format in BibTeX export, per http://forums.zotero.org/discussion/17911

• Fixed “win.ZoteroPane.document is undefined” when Zotero was set to start in tab mode and the Zotero tab had not yet been selected
• Fixed installation of dependent styles from the new Zotero styles page
• Miscellaneous bibliographic output and word processor integration fixes
  • Updated citeproc-js to 1.0.176
• Sync issues
  • Don't re-upload all downloaded data after a failed initial upload
  • On sync conflicts, display only one alert about auto-merged objects per object type, and log the rest to the Error Console
  • Prevent a couple cases of erroneous full syncs due to deleted local items
  • Fixed occasional “DAV:href '/zotero' does not begin with path '/zotero/'” error on opening Zotero pane with WebDAV syncing enabled
  • Fixed potential WebDAV error on Restore to Zotero Server even if WebDAV wasn't selected
• Fixed (cosmetic) duplication of standalone items in UI after dragging to another item below it in the items list
• Fixed excessive database activity when dragging a child note to another parent
• Fixed various platform-specific toolbar and add-on bar UI issues
• Fixed white bar above add-on bar on Windows if Zotero was started maximized
• Dragged notes containing empty paragraphs were copied as HTML markup
• A custom style with invalid XML would prevent all installed styles from loading
• Fixed selection of single top-level item after site translation
• Show proper file-access-denied message on Windows
• Fixed XML parsing errors on some imported notes in generated reports
• Strip tabs from filenames
• Don't attempt to run regular expressions on very long URIs to fix incompatibility with Update Scanner add-on

• Show progress bar over Zotero pane while saving items to prevent interruption
• Embed COinS in HTML bibliographies

• Sync conflict resolution
  • Fixed erroneous conflicts due to encoded XML entities
  • Fixed erroneous file sync conflicts
• Fixed 'Error in getField: term “[n]” does not exist' word processor plugin error
• Miscellaneous bibliographic output fixes
• More helpful message for all file access errors during syncing
• Prevent toolbar from disappearing on pages with toolbars disabled
• Fixed parsing of MM/YYYY dates
• Fixed date-based sorting in reports
• Fixed erroneous HTML entities in note text copied via web page context menu
• Don't strip 'cite' attribute from <blockquote> (used by browser pane context menu options to specify the source URL)

• Updated citeproc-js to 1.0.148
• Map recipient, interviewer, and composer to CSL

• Update to citeproc-js 1.0.143
• Sort translators alphabetically in export dialog

• Version number fix

• Upgrade styles with the same title instead of offering to install a second style with the same title
• More sophisticated word processor plugin version checking

• Fixed integration hang on Firefox 3.6
• Fixed note saving in external window if note is selected in items list
• Fixed missing export options for BibTeX and RIS
• Fixed “too much recursion” during translation
• Miscellaneous bibliographic output fixes

• Updated citeproc-js to 1.0.140

• Recognize .csl.txt files as CSL files

• Fixed error upgrading directly from Zotero 1.0
• Word processor integration and bibliographic output
  • Fixed some causes of hangs
  • Better error message on corrupt document field
  • Fixed date handling issues
  • Fixed citations appearing after a bibliography
  • Be less aggressive about resizing Add Citation dialog
  • Various bugs in citation/bibliography generation
• Sync
  • Fixed some causes of erroneous conflicts
  • Properly update sync icon and file sync progress bar in tab mode
• Locate menu
  • Fixed empty menu on item with invalid URI
  • Fixed doubled separators
• UI issues
  • Fixed closing of parent items on various edits
  • Tab key was skipping title and creator fields in Firefox 4
  • Fixed loss of items list focus when navigating with arrow keys after shift-tabbing out of item pane
  • Fixed selection issues switching between pane and tab
• Don't ignore selected export character set
• Preserve multiple whitespaces in notes when viewing outside of Zotero
• Make sure notes get saved when switching quickly to another item
• Don't try to proxy doubleclick.net
• Fixed “XML.toXMLString is not defined”

• Updated citeproc-js to 1.0.136
• Fixed cslpreview.xul

• Fixed word processor integration hang for Firefox 3.6 MacWord users
• Fixed error loading preferences in Estonian locale
• Fixed recognition of non-English months in Date field in non-English locales

See the main 2.1 page for an overview of changes since Zotero 2.0.

• Fix “val.indexOf is not a function” loading/syncing attachments with all-numeric titles
• Prevent erroneous note conflicts from imported Windows newlines

• Skip files in imports with bad URIs
• Fix failure importing large files
• Timeline
  • Group library support
  • Fixed Date Published
• Support CSL 1.0 dependent styles
• Properly close files following translator page detection
• Fix 'false' Quick Copy output with styles without bibliographies

• Updated citeproc-js to 1.0.125

• Fixed UI persistence issues with Zotero tab mode
• Fixed tag selector in Zotero tab
• Better error for file sync login failure
• Prevent screen overflow in collection-item sync conflict message
• Tweaked appearance on Windows and Linux

• Updated citeproc-js to 1.0.123

• Always favor PDF attachments over non-PDF attachments when viewing item
• PDFs with extended characters are now indexed
• Removed tag conflict pop-up
• Added view options to item context menu
• Allow “View Online” for file:// URIs in attachments
• Display “Numéro (périodique)” for Issue search condition in French localization

• Syncing
  • Fixed sync icon spinning in Zotero tab
  • Automatically correct invalid timestamps on sync error
  • Catch a sync error involving file.lastModified
• Dragging a file into the Zotero tab in Firefox 3.6 caused Firefox to try to load the file
• Fixed broken Quick Copy export
• Fixed dragging issues
• Bring integration windows to foreground on Windows
• Fixed “citations is undefined” error
• Fixed broken “Reset Translators” and “Reset Styles” in the prefs
• Fixed messy date values for certain item types on export
• Custom toolbars weren't displayed when Zotero was enabled
• Fixed Zotero crash if last collection before a separator was deleted

• Updated citeproc-js to 1.0.120

• Added Unfiled search condition
  • Right-click on a library and choose “Show Unfiled Items” to add an “Unfiled Items” virtual saved search to that library.
  • Displayed by default in personal libraries
  • Can be removed via right-click or Backspace/Delete
• Locate menu tweaks
  • Includes ability to open files externally even if a plugin is present and internally even if launchNonNativeFiles is true
• UI tweaks
• Prompt before saving items via RIS/Refer
• Generate a citation list when using the “Create Bibliography” context menu options if the selected style does not define a bibliography
• Display title for civil law case items using Short Title field (details)

• Restored “Show File” functionality (available in Locate menu)
• In some cases, automatic tags were saved even if pref was disabled
• Metadata pane didn't scroll down when tabbing between fields
• Removed extra whitespace in some HTML bibliographies
• Don't show “Create New Item from Current Page” in tab view

• Updated citeproc-js to 1.0.113
• Restored live updating in csledit.xul

• Zotero as a tab
  • Full-screen mode button now toggles between Zotero pane and Zotero tab
  • Creates an app tab in Firefox 4
  • Can set default mode in Zotero preferences
• Customizable Locate menu
  • Supports OpenSearch description documents
  • Moved “View” button in info pane to toolbar menu
  • Show File functionality will be restored in the next beta
• Site translator architecture improvements
  • Significantly faster saving of multiple items
  • Multi-item saves are now all-or-nothing
    • If an error occurs, no items will be imported, preventing partial imports
• Firefox 4.0b11 compatibility
• Use determinate progress bars for import/export
• Removed Full Sync option from preferences

• Import fixes
  • Fixed automatic import based on MIME type
  • Fixed MODS breakage on Firefox 4
  • Fixed import failure on certain attachments
  • Fixed potential import/exports errors in Firefox 3.6
  • Fixed XML errors on very large files
• Fixed infinite sync spinning due to “stack script space quota is exhausted” error in < Firefox 4
• Initial item drag after Firefox restart was broken if a bibliography was selected as the default Quick Copy format
• Fixed window resizing in word processor plugins
• Fixed issue with dependent styles
• Don't throw an error if a bibliography locale isn't found

• Updated citeproc-js to 1.0.110
• Exposed DOMParser to translator sandbox

• Added support for Zotero as a separate tab
  • Currently only via loading chrome://zotero/content/tab.xul
• Adjusted twisty appearance on OS X

• Fixed broken import/export
• Fixed an issue retrieving multiple items from Google Scholar
• Fixed prompt after restart on Restore from Zotero Server

• Updated citeproc-js to 1.0.99

• Fixed an error upgrading from 2.0

In addition to the below changes, 2.1b3 also includes many under-the-hood changes to support Zotero Standalone.

• Use first names when sorting middle pane by Creator
• Include inline CSS when generating HTML bibliographies
• Added trash auto-empty setting to visible prefs
• Added the Zotero icon to the add-on bar instead of the status bar in Fx4
• Removed (unreliable) database backup on Firefox shutdown
• Clarified some file sync error messages
• Better handling of unwriteable Zotero data directory
• Better handling of word processor integration errors
• Use separate buttons for “Reset Translators” and “Reset Styles” in preferences
• Translator updates
• CSL locale updates

• Fixed XML error loading preferences in non-English locales
• Fixed broken nn-NO locale
• Fixed database locking after automatic backup
  • The lock was being lost, which allowed other copies of Zotero and other SQLite clients to access and potentially corrupt the database.
• Firefox 4 fixes
  • Installation error
  • Tag selector drag-and-drop
  • Crash saving snapshots
  • Discontinuities in context menus and popups and other display glitches
• WebDAV
  • Worked around errors on some networks
  • Fixed deleted-file purging
  • Reenabled orphaned-file purging (currently once every ten days)
  • Fixed Stop button for Verify Server
• Tag didn't disappear on removal from item if tag selector was closed
• Fixed drag from advanced search window
• Relaxed type detection of PDFs to allow PDF downloading from certain sites

• Updated citeproc-js to 1.0.93
• Mapped Zotero numPages to CSL number-of-pages
• Improved OpenURL ContextObject support

In addition to the below changes, 2.1b2 also includes all changes between Zotero 2.0.8 and 2.0.9 and many under-the-hood changes to support the upcoming Zotero Standalone.

• Firefox 4 compatibility
  • The Word for Mac plugins are not yet compatible with Firefox 4.0 Beta 7 or later.
  • If Zotero does not start in Firefox 4, see this forum thread for more information.
• Added Styles→Cite section in Zotero preferences with “Word Processors” and “Styles” tabs
• Imported collections are named according to the file imported, rather than “Imported” and a timestamp as in previous versions

• Added Estonian localization
• Fixed typo in Swedish localization

• Fixed 2.1b1-related word processor document field code corruption
• Fixed translator filename bug in 2.1b1
• Fixed RTF bibliography generation
• Updated citeproc-js to 1.0.70, fixing many CSL bugs
• Fixed a database issue that could cause a sync error (and possibly other tag-related problems) in very old databases

• Overhauled Zotero.Translate
  • New code should use new Zotero.Translate.Web, Zotero.Translate.Import, etc.
  • The core Translate class is now abstracted away from data access, read/write IO, and the sandbox API
  • Translators now use configOptions and displayOptions properties in their metadata instead of Zotero.configure() and Zotero.addOption() to specify interfaces
• Zotero.Utilities is now a singleton
• Zotero.Utilities.HTTP is now Zotero.HTTP
• Zotero.Utilities.md5() and Zotero.Utilities.Base64 are now located under Zotero.Utilities.Internal
• Zotero.Utilities.AutoComplete has been eliminated
• Removed Zotero. methods:
  • inArray(), arraySearch(), arrayToHash(), hasValues()
• Removed Zotero.Utilities methods
  • probability(), min3(), isInt()
• Added Zotero.Utilities.deepCopy()
• Added Zotero.CreatorTypes.getLocalizedString()
• Moved Zotero.Utilities.getSQLDataType() to Zotero.DB
• Throw an error if cross-site getTranslatorObject() is attempted

• Next-generation CSL 1.0 citation engine
  • citeproc-js 1.0.53 CSL 1.0 processor, written by Frank Bennett
  • Many new features and bug fixes (see “Bugs fixed” below)
  • Allows for correct formatting of many more styles
    • Some styles will need to be updated to take advantage of new functionality
• Firefox compatibility
  • Only supports Firefox 3.6 or higher (Firefox 4.0 betas not yet supported)
• Word processor integration
  • Improved integration with word processor styles (e.g., font settings)
  • Edit Bibliography window
    • Support for multiple-item selection
    • Removing items now leaves the citations intact, but removes them from the document
    • Added “Cancel”, “Revert”, and “Revert All” buttons
  • Unparsed dates are now treated as literals in bibliographic output
  • Allow repeat use of item in a citation
  • Better handling of Ibid. around non-Zotero footnotes and endnotes
  • Automatic smart quotes when saving from editor
• Zotero Commons
  • Upload public materials to the Internet Archive directly from Zotero
  • Retrieve OCRed versions of contributed PDFs, allowing for searching of previously unsearchable content
  • Enabled via zotero.org account settings
• Improved Firefox startup time
  • Particularly after fresh starts of Windows
• Bibliontology RDF import/export
  • Follows an open spec to allow for data exchange with other tools and services
• “Automatically attach associated PDFs and other files…” pref is now enabled by default
  • Existing users who would prefer not to save files will need to uncheck the option
  • Shift-clicking “Create New Item from Current Page” still temporarily toggles the setting
• Auto-empty items in Trash older than 30 days
  • Controlled by trashAutoEmptyDays hidden pref, with 0 disabling the functionality
• Proxy
  • Added a checkbox to temporarily disable proxying
  • Added an option to disable proxy redirection by domain
  • Removed the option to disable proxy detection
  • Display notification box when proxying
• Append reporter name to title in UI for law cases

• Style output and word processor integration
  • Quotation mark localization
  • Various disambiguation issues
  • Editing a bibliography reset all reference numbers to 1
  • Suppress Author didn't work for multiple sources
  • Edit Bibliography button stripped year disambigutation
  • Broken pluralization with et al.
  • Items with non-ASCII characters were corrupted on save when Show Editor was open
  • Items cited in documents were not reselected when citations were reopened for editing
  • Only one work's page numbers were added to the citation when citing multiple works by the same author
  • Error when canceling citation add after editing
  • Refined tab order in Add Citation window
  • And many more
• Include an appropriate rfr_id when generating COinS
• Fixed startup error due to Zotero integration pipe being owned by root, and offer to correct the problem

• CSL
  • See CSL 1.0 specification for new functionality available with CSL 1.0
  • bookAuthor → container-author CSL mapping
• Added Zotero.File.getBinaryContents(file)
• Allow accessDate to be set explicitly false for web translators
• Scaffold 2.0 compatibility

View the 2.0 changelog