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Release Notes for Trac 0.10b1
August 28, 2006 (source:trunk/RELEASE in sync with rev. 20)
We're happy to announce the Trac 0.10b1 release, available from:
This is a beta release, which means that the Trac developers feel that this release is stable enough for serious testing. While we feel that this release is stable we do not recommend to use this release in production. If no serious bugs are found the final stable 0.10 release will be released in a couple of days.
For questions, comments and user discussions, please use the Trac mailing list. List information, subscription and archive available at:
User visible changes
Advanced diff support
The TracRevisionLog view can now be used to select two arbitrary revisions of a given path in the repository and see the differences between them, in the familiar TracChangeset view.
A related change is the possibility to navigate through a sequence of restricted changesets. A restricted changeset is the subset of changes within a changeset inside a given directory. One can easily start navigating such a sequence by following the new Last Change navigation link present for the currently browsed path.
It's now also possible to compare two arbitrary paths at any revision. This can be used to check the differences between a tagged version and trunk, or to review the set of differences between two branches.
Other enhancements have been made to the version control subsystem,
in particular the support of scoped repositories has been improved.
You should therefore perform a trac-admin
resync operation.
InterWiki and InterTrac support
An InterWiki link can be used to refer to a Wiki page located on another Wiki system, and by extension, to any object located on any other Web site, as long as simple URL mapping is possible.
An InterTrac link can be used for referring to a Trac resource (Wiki page, changeset, ticket, …) on an other Trac environment. This makes it easier to work with multiple separate projects, and seamlessly refer to resources from one Trac to another.
Improved modularity
Trac now supports database and version control backends as third-party plugins.
It is now easier to add support for new database backends. In addition to the already existing support for SQLite and PostgreSQL, Trac now features experimental support for the MySQL database.
As for the version control systems, Trac still features best of breed Subversion support, but the Subversion bindings and libraries are no longer mandatory for using Trac itself. Other version control systems can be supported by external plugins.
Improved notification system
The encoding for emails sent out by Trac can now be configured. This may decrease email size and can avoid useless encoding for western languages that make some touchy SMTP servers bounce the notifications.
Support for local network installations using local email addresses (addresses without a domain name) and a configurable default domain name has been added, as well as support for both visible and blind carbon copies.
Support for spam protection
Trac now provides extension point that allow plugins to intercept content submissions, which can be used to filter out spam. One plugin that does this is the SpamFilter plugin, which is available as a separate package:
This plugin implements a number of different strategies for testing content, such as regular expression matching, IP blacklisting, and Akismet queries.
WSGI used as web server protocol
Trac now uses WSGI (the "Python Web Server Gateway Interface") internally. While Trac continues to provide builtin support for CGI, FastCGI and mod_python, as well as the standalone server "tracd", you can now take advantage of the WSGI support to use Trac in other setups, such as Twisted, Paste, SCGI, or ISAPI.
Lots of minor improvements
To the Wiki syntax
Numerous improvements have been made in the WikiFormatting syntax:
- Headings can optionally be given explicit id.
- MoinMoin
["internal free link"]syntax is now supported. - Introduced citation syntax for the Wiki (e-mail style).
- Added more robust parsing and formatting of Wiki lists and robust coupling of lists and quotes.
- Improved the way external links are displayed.
- Lots of new ways to refer to specific repository views (
diff:from//to, log:,[x:y],rx:y) htdocs:, useful for referring to local resources in TracStandalone- MoinMoin-style syntax for description lists
- Removed support for direct embedding of images using links: use the [[Image]] macro instead.
To the Wiki subsystem
- Quicker access to last change on a page and better navigation in the page history
- Preview the change comment before saving a change and display the change comment when viewing a specific version of a page. This hopefully will encourage authors to document their changes!
To the Ticket subsystem
- Possibility to Reply to ticket description and changes
- Export individual ticket data in CSV or RSS format
Developer-visible changes
unicode everywhere
Trac used to handle text content by using str objects,
in which Unicode characters were represented using UTF-8
encoding. This lead to various problems with most non-western
languages. We now use the dedicated unicode datatype to
consistently handle text written in any language.
See also TracDev/UnicodeGuidelines.
Better way to programmatically generate HTML fragments
Trac now provides utility code to programmatically generate HTML snippets. This can be used in the various places where Trac expects plugins to return small fragments of HTML bypassing the template system. These utilities can be found in the trac.util.html module.
Unit test framework for email notifications
Email notifications can now be validated; unit tests include a private SMTP server and helper methods to extract and decode email data.
Internal API changes
A detailed view of the API changes since 0.9.x can be found in TracDev/ApiChanges/0.10.
Acknowledgements
Many thanks to the growing number of people who have, and continue to, support the project. Also our thanks to all people providing feedback and bug reports that helps us make Trac better, easier to use and more effective.
Without your invaluable help, Trac would not evolve. Thank you all.
Finally, we offer hope that Trac will prove itself useful to like-minded programmers around the world, and that this release will prove an improvement over the last version.
Please let us know. :-)
/The Trac Team http://trac.edgewall.org/
