1.1.595 (10 January 2009)

• New caching backend using a SQLite database. Expect a massive speedup in thread calculation, especially for very large mailboxes.
• Ability to abort/restart initial, long-running thread calculation. Closing Thunderbird while a calculation is running preserves already calculated messages and automatically continues the next time Thunderbird is started.

1.0.562 (12 September 2008)

• Interim version which disables logging as my Master's Thesis is finished and the usage study has ended.

1.0.510 (8 June 2008)

• Compatibility to Thunderbird 3.
• Exclude virtual folders (e.g. saved searches).
• Caching and threading now running in background.
• Size of visualisation box is now dynamic.
• Removed possible personal information (message-ids) in logfile.
• Vertically center the visualisation.
• Default zoom settings now "full" and "fit".
• Fixed issue when deactivating accounts.
• Fixed disabling of folders (messages were still analyzed under certain conditions).
• Added statusbar icon.
• Fixed link to homepage (link opened twice).
• Date in tooltip for message shortened.
• Close legend window when clicking on icon a second time.
• Fixed error in copy&paste of messages.
• Fixed rounding of time differences in timeline labels.
• Fixed double click on message to open in new window.
• Added default context menu to context menu for messages.
• Added preference to hide visualisation totally if disabled for folder (preferences dialog update pending).
• Colours for messages user-definable (preferences dialog update pending).
• Sent-message always the same colour (preferences dialog update pending).
• Added preference for border colour (preferences dialog update pending).
• Added splitter to resize width of visualisation by dragging.

0.9.462 (15 April 2008)

• Fixed issue when using local folders (messages stored in local folders could not be analyzed).

0.9.460 (9 April 2008)

• Fixed localisation issue.

0.9.457 (2 April 2008)

• Refesh folders when searching for messages.

0.9.1 (12 February 2008)

• Fixed bug in storing email log timestamp which prevented the reminder to disappear.

0.9 (5 February 2008)

• Added caching: messages need not be threaded on each startup, but cache information is stored in local message database.
• Improved dragging / scrolling.
• Improved informational messages for disabled folders / too many messages to visualise.
• SVG export of visualisation.

0.8.1 (13 May 2007)

• Changed homepage and update URL.
• Major update coming soon!

0.8 (24 October 2006)

• Renamed extension to "ThreadVis".
• Added legend.
• Display icons for zoom, etc. instead of text.
• Prevent over-panning.
• Fixed and extended visualisation popup window.
• Double click on message opens it in new window.
• Added debug level to debug logging.
• Handle duplicate message ids in references header.
• This fixed a long standing bug (> 1 year) where a loop was created in the thread tree which caused the extension to go into an endless recursion.
• Size and position of visualisation popup and legend window are stored.
• Size of visualisation elements can be adjusted separately.
• Display notes about new version at first startup.
• Algorithm to create distinct colours for different authors extended.