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Change Log
This is a rough list of changes between released versions.
To see where Trac is going in future releases, see the Roadmap.
1.6.x Releases
1.6 'Py3'
(September 23, 2023)
Trac 1.6 is the first major release of Trac in almost 4 years.
This is the first release to support Python 3, supporting Python 3.5 and later. Python 2 is no longer supported.
For more information see the API changes and the detailed release notes for 1.6 and the change log for 1.5.x Releases below.
1.5.x Releases
1.5.4
(Feb 11, 2023)
Fixed several compatibility issues with Python 3 releases and Jinja2. Upgraded jQuery to version 3.6.3 and jQuery UI to version 1.13.
1.5.3
(May 9, 2021)
Fixed several regressions and compatibility issues in the Python 3 conversion.
1.5.2
(December 19, 2020)
Support for Python 2.7 has been dropped. Python 3.5+ is supported.
1.5.1
(May 25, 2020)
- Tickets can be retargeted from the milestone admin page (#3754).
- Removed deprecated code (#12787). Plugins that use Genshi can't be used and must be migrated to Jinja2.
Additionally, this release includes all of the changes in the milestone:1.4.1 release and changes committed to date for the forthcoming milestone:1.4.2 release.
This will be the only release in the 1.5.x release line that supports Python 2.7. Future releases will support Python 3.5+.
1.4.x Releases
1.4.4
(August 11, 2023)
Trac 1.4.4 contains about a dozen minor fixes and improvements.
1.4.3
(May 9, 2021)
Trac 1.4.3 contains about a dozen minor fixes and improvements.
1.4.2
(June 17, 2020)
Trac 1.4.2 has more than a dozen minor fixes and improvements, including the following highlights:
- Batch modify has autopreview for comment textarea and better form styling (#13285).
- TracAdmin
config remove <section>
command deletes a configuration section (#13305).
1.4.1
(February 12, 2020)
Trac 1.4.1 fixes compatibility issues with Jinja2 versions 2.11 and 2.11.1. Several other minor defects were also fixed.
1.4 'Jinja'
(August 28, 2019)
Trac 1.4 is the first major release of Trac in almost 3 years.
The following are some highlights from the release:
- Jinja2 is the template engine, providing performance improvements over Genshi. Genshi is still supported until Trac 1.5.1 for rendering plugin templates.
- Custom navigation items can be added to the main and meta navigation (#11317).
- TracAdmin
convert_db
command for converting to a new database backend while preserving all environment data (#12299). - Restyled wiki that allows toggling between narrow and full width (#12640).
For more information see the API changes and the detailed release notes for 1.4 and the change log for 1.3.x Releases below.
1.3.x Releases
No guarantees of feature and API compatibility is made from one 1.3.x release to the next.
For more information see the API changes and the detailed release notes for 1.3.
1.3.6
(August 14, 2019)
Trac 1.3.6 provides several fixes and enhancements.
- Permission groups added to the CC list will be resolved to members of the group (#12808).
- Auto preview timeout can be configured in user preferences (#12970).
TICKET_EDIT_CC
is required to edit the CC list for a new ticket (#13093).
1.3.5
(July 17, 2019)
Trac 1.3.5 fixes a regression in the Ticket Clone feature.
1.3.4
(July 17, 2019)
Trac 1.3.4 provides a few fixes for the Jinja2 template engine and template conversions.
Additional highlights of changes since 1.3.3:
- HTTPS support for TracStandalone (
tracd
) (#12611). - Minor style improvements for ticket and wiki pages (#13116).
See the detailed release notes for 1.2.4 and 1.0.18 (as 1.3.4 contains the changes in 1.2.4 and 1.0.18).
1.3.3
(July 20, 2018)
Trac 1.3.3 provides many fixes for the Jinja2 template engine and template conversions.
Additional highlights of changes since 1.3.2:
- The TracGuide is readonly by default (#12899).
- The
trac-svn-hook
script can be configured using SVN's hook script environment configuration (#12771). - Environment log level defaults to
INFO
and log type defaults tofile
so that installation issue are captured in the log when runningtrac-admin initenv
(#12966).
1.3.2
(July 31, 2017)
Trac 1.3.2 is the first release to feature Jinja2 as the template engine. Jinja2 provides performance improvements and fixes several long-standing issues that were encountered using Genshi as the template engine. Genshi is still supported until Trac 1.5.1 for rendering plugin templates.
Additional highlights of changes since 1.3.1:
- All textareas that support wiki markup provide an auto-preview (#3776)
- Ticket comments can be cloned to create a
new ticket using the optional component
tracopt.ticket.clone
(#10735). - Custom navigation items can be added to the main and meta navigation (#11317).
- Ticket validators are called when submitting a batch modification request (#11723), and when editing a ticket comment (#12725).
- TracAdmin
convert_db
command for converting to a new database backend while preserving all environment data (#12299). - Restyled wiki that allows toggling between narrow and full width (#12640).
1.3.1
(November 15, 2016)
Trac 1.3.1 is the last release before the switch of the development branch to Jinja2.
It is in sync with the version 1.2, and as such contains all its fixes and enhancements as well.
Highlights of the changes since 1.2:
- Modernized the code to support Python 2.7 idioms (earlier versions are no longer supported) (#12046, #12148, #12558, #12569)
- Removed lots of backward compatibility APIs from pre-1.0 days; in particular, the database API is now exclusively based on the context managers (#9612, #11901)
- Ticket changes can be used to format the subject template (#12205)
1.2.x Releases
This series correspond to the current stable release branch, i.e. branches/1.2-stable.
1.2.6
(July 1, 2020)
Trac 1.2.6 contains a few minor fixes, inluding a fix for ticket autopreview triggering without a form change.
See the detailed release notes for 1.2.6.
1.2.5
(August 27, 2019)
Trac 1.2.5 contains a few minor fixes.
See the detailed release notes for 1.2.5.
1.2.4
(July 17, 2019)
Trac 1.2.4 provides a dozen minor fixes and enhancements.
See the detailed release notes for 1.2.4 and 1.0.18 (as 1.2.4 also contains the changes in 1.0.18).
1.2.3
(July 29, 2018)
Trac 1.2.3 provides 2 dozen minor fixes and enhancements. The following are some highlights:
See the detailed release notes for 1.2.3 and 1.0.17 (as 1.2.3 also contains the changes in 1.0.17).
1.2.2
(June 21, 2017)
Trac 1.2.2 provides close to 2 dozen minor fixes and enhancements. The following are some highlights:
- Invalid logging configuration changes made through the Logging admin page won't disable a Trac instance (#8790).
- Fix for regression that prevented PermRedirectPlugin from redirecting (#12818)
See the detailed release notes for 1.2.2 and 1.0.14 through 1.0.15 (as 1.2.2 also contains the changes in 1.0.14 and 1.0.15).
1.2.1
(March 29, 2017)
Trac 1.2.1, the first maintenance release in the 1.2.x series, provides more than 30 minor fixes and enhancements. The following are some highlights:
- TracIni macro generates anchors for each option (#9401) and allows specifying exact options and sections to be rendered (#12633)
- Several fixes for the enhanced Trac notification system (#11928, #12658, #12700)
- Improved usability of ticket comment Reply and Edit buttons (#12671)
- Restored missing ticket change conflict markers (#12730)
See the detailed release notes for 1.2.1 and 1.0.14 (as 1.2.1 also contains the changes in 1.0.14).
1.2 'Hermes'
(November 5, 2016)
Trac 1.2 is the first major release of Trac in more than 4 years.
The following are some highlights from the release:
- Extensible notification system (#3517)
- Notification preference panel (#4056)
- Usernames replaced with full names (#7339)
- Restyled ticket changelog (#11835)
- Workflow controls on the New Ticket page (#2045)
- Editable wiki page version comments (#6573)
- Datetime custom fields (#1942)
For more information see the API changes and the detailed release notes for 1.2 and 1.0.8 through 1.0.13 (as 1.2 contains all the fixes done for 1.0.8 through 1.0.13).
1.1.x Releases
1.1.x releases were development releases leading to Trac 1.2. See them as kind of snapshots of source:trunk.
No guarantees of feature and API compatibility is made from one 1.1.x release to the next.
1.2rc1
(September 14, 2016)
The first Trac 1.2 release candidate is the culmination of nearly 4 years of development.
Highlights of the changes since 1.1.6:
- Pygments lexer options can be specified as WikiProcessor arguments and defaults can be set in the environment configuration (#5654).
- Usernames are replaced with full names when
[trac]
show_full_names
is true (#7339). - Enum tables on the Ticket Admin pages can be reordered by drag and drop. (#11682).
- Ticket changelog is restyled and has a new Show comments preference (#11835).
- Authentication cookies can be shared across subdomains when
[trac]
auth_cookie_domain
is configured (#12251).
For more information see the API changes and the detailed release notes for 1.2rc1 and 1.0.8 through 1.0.13 (as 1.2rc1 contains all the fixes done for 1.0.8 through 1.0.13).
1.1.6
(July 17, 2015)
Trac 1.1.6 contains more than a half dozen minor fixes and enhancements.
For more information see the API changes and the detailed release notes for 1.1.6 and 1.0.7 (as 1.1.6 contains all the fixes done for 1.0.7).
1.1.5
(May 18, 2015)
Highlights of the changes:
- Corrected highlighting of unmodified values in Config section of the About Trac page (#6551).
- New helper methods on
DatabaseManager
class for plugins to upgrade the database (#8172). - New
[notification-subscriber]
config section for general configuration of notification subscription defaults andSubscriberList
macro (#11875). - Removed dependency on
ConfigObj
for TracFineGrainedPermissions (#11982). Image
macro supports InterWiki prefixes (#12025).
See also the API changes and the detailed release notes for 1.1.5, 1.0.6 and 0.12.7 (as 1.1.5 contains all the fixes done for 1.0.6 and 0.12.7).
1.1.4
(March 24, 2015)
Highlights of the changes:
- Performance improvements with MySQL/MariaDB (#3676).
- Click on Permissions Admin page table row toggles all checkboxes in the row (#11417).
- Configuration sections are written to trac.ini when enabling a component through TracAdmin or the web administration module (#11437).
- Subscription rules can be reordered by drag and drop (#11941).
See also the API changes and the detailed release notes for 1.1.4 and 1.0.4/1.0.5 (as 1.1.4 contains all the fixes done for 1.0.4 and 1.0.5).
1.1.3
(January 13, 2015)
The following list contains highlights of the changes:
- The ticket creation step can be configured in the TracWorkflow and the workflow controls are present on the NewTicket page (#2045).
- New notification system that can be extended by plugins (#3517).
- New preferences panel for notification subscriptions (#4056).
- Wiki page version comments can be edited by users with
WIKI_ADMIN
(#6573). - Improved positioning of Add Comment section and author field on the ticket form (#10207).
- The delete confirmation pages warn if attachments will also be deleted (#11542).
- Removed support for SilverCity, Enscript and PhpRenderer syntax highlighters (#11795).
- Combined Date & Time and Language preference panels as Localization (#11813).
- Groups and permissions can be used in the workflow
set_owner
attribute (#11839).
See also the API changes and the detailed release notes for 1.1.3 and 1.0.3 (as 1.1.3 contains all the fixes done for 1.0.3).
1.1.2
(October 23, 2014)
The following list contains highlights of the changes:
- Dropped support for Python 2.5. Trac can no longer be run on Python 2.5 as incompatible changes have been made in the source code (#11600).
- The new ticket workflow action
may_set_owner
is similar toset_owner
but the owner defaults to the existing ticket owner rather than the current user (#10018). - The new option
[ticket]
optional_fields
specifies ticket select fields that are treated as optional (i.e. an empty value is allowed) (#10772). - Line number and row highlighting annotations can be specified for WikiProcessor code blocks (#10834).
- The default handler can be set as a session preference (#11597), and the default value for all users can be set from the Basic Settings admin page (#11519).
- Attachments can't be added to read-only wiki pages (#11244).
- Tables on the admin pages have a Select all checkbox in the header (#10994).
- Submit buttons are disabled if the required items are not selected (#11056).
- The Admin Permissions page has a Copy Permissions form for copying permissions between users and groups (#11099).
- The new option
[milestone]
default_retarget_to
determines the default milestone for retargeting tickets when a milestone is deleted or closed, and can be specified from the Milestone admin page (#10010). - The retarget select is not shown when closing or deleting a milestone which has no tickets associated with it (#11366).
- Clear default buttons allow the ticket system default values (e.g.
default_milestone
,default_version
) to be cleared through the corresponding admin pages (#10772, #11300). - The
TitleIndex
macro supports relative path prefixes when used on wiki pages (#11455). - CommitTicketUpdater will recognize a ticket reference that includes a trailing
#comment:N
or#comment:description
(#11622). - The Tickets column of the milestone table on the Milestone admin page contains links to the query page showing all tickets associated with the milestone, grouped by status (#11661).
- Authz policy can be used to restrict access to the Report List page using the resource id
-1
(#11697).
See also the API changes and the detailed release notes for 1.1.2, 1.0.2 and 0.12.6 (as 1.1.2 contains all the fixes done for 1.0.2 and 0.12.6).
1.1.1
(February 3, 2013)
Trac 1.1.1 starts the 1.1.x development line leading to 1.2 with some new features and a few not-so-disruptive changes.
The following list contains only a few highlights:
- Added support for custom ticket fields of type time (#1942)
- In new tickets, custom time ticket fields may default to an absolute or relative date / time (#10853)
- In TracBatchModify, custom time ticket fields can be changed with a date(time)picker popup control (#10854)
- Optionally display the component of tickets in their timeline entries (
[timeline]
ticket_show_component
setting) (#10885) - Fixed batch modification when no fields are changed (#10924)
- Dynamic variables can be used in the report title and description (#10979)
- jQuery upgraded to 1.8.3, jQuery UI upgraded to 1.9.2 and jQuery UI Timepicker upgraded to 1.1.1 (#10976)
- Dropped support for Python 2.5, either Python 2.6 or Python 2.7 is required (well, as it happens, 2.5 still works, that's a bug ;-) )
See also the API changes and the detailed release notes for 1.1.1, 1.0.1 and 0.12.5 (as 1.1.1 contains all the fixes done for 1.0.1 and 0.12.5).
1.0.x Releases
1.0.20
(June 29, 2020)
Trac 1.0.20 provides a few bug fixes. The translation catalogs have also been updated and merged with those from Transifex.
1.0.19
(October 15, 2019)
Trac 1.0.19 provides a few bug fixes. The translation catalogs have also been updated and merged with those from Transifex.
1.0.18
(July 18, 2019)
Trac 1.0.18 provides more than a dozen bug fixes and minor enhancements. The following are some highlights:
- Fixed query module regression when ordering multiple columns (#13068).
- Fixed regression preventing workflow status changes for plugins (#13087).
- Made compatible with MySQL 8.x (#13128).
1.0.17
(July 11, 2018)
Trac 1.0.17 provides more than 3 dozen bug fixes and minor enhancements. The following are some highlights:
- Fixed
ERR_BLOCKED_BY_XSS_AUDITOR
during preview for certain content with Chrome browser (#12926). - Improved performance of query module when many custom fields are used (#12967).
- Fixed ticket description not rendered in wiki format in query view (#13010).
- Added submodule support for Git repository (#10603)
1.0.16
Not Released
1.0.15
(June 16, 2017)
Trac 1.0.15 adds an option [wiki]
safe_origins
, for whitelisting URIs considered safe cross-origin.
1.0.14
(June 9, 2017)
Trac 1.0.14 provides more than 3 dozen bug fixes and minor enhancements. The following are some highlights:
- Improved Git performance (#12545, #12694).
- Reduced memory usage exporting a zip file (#12765).
- Fixed batch modify not working for list fields (regression in 1.0.11) (#12585).
- Performance improvements to the Roadmap and Milestone admin pages when there are many milestones and tickets (#12609).
- SECURITY: Possible XSS via reStructuredText link.
- SECURITY: Injection of password prompt using Image macro or reStructuredText image.
1.0.13
(September 11, 2016)
Trac 1.0.13 provides around a dozen bug fixes and minor enhancements. The following are some highlights:
- Use locale environment variables to negotiate locale on console (#12418).
- Fixed using incorrect revisions when downloading a zip file via browser page from Git repository (#12557).
1.0.12
(July 4, 2016)
Trac 1.0.12 provides around 20 bug fixes and minor enhancements. The following are some highlights:
- Reconnect to PostgreSQL server after restarting it (#4984).
- Workflow actions on the batch modify form are sorted by the default attribute (#12447).
- Fixed Pygments stylesheet not found when style name contained a dash (#12505).
- Fixed incorrect parsing of projects list file by
GitwebProjectsRepositoryProvider
(#12518). TracIni
macro displays option documentation as multi-line rather than one-liner (#12522).- Fixed regression with
GitConnector
leading toIOError: Too many open files
(#12524).
1.0.11
(May 7, 2016)
Trac 1.0.11 provides more than 30 bug fixes and minor enhancements. As in 1.0.10, an area of focus has been to eliminate tracebacks in the logs due to invalid requests. The following are some additional highlights:
- Fixed resetting Oldest first after auto-preview of ticket change log (#12381).
- Trac is now distributed as wheel package (#12391).
- Fixed database exceptions in query system when milestones/versions/enums are not defined and a custom field of the same name is added (#12399).
- Custom field milestone was not shown when standard milestone field was hidden (#12400).
- Query system now sorts by
enum.value
rather thanticket.type
fororder=type
(#12402). - Added support for Babel 2.3.2 (2.3.0 and 2.3.1 should not be used) (#12445).
1.0.10
(February 20, 2016)
Trac 1.0.10 provides more than 30 bug fixes and minor enhancements. Two areas of focus have been fixing test failures on Windows and eliminating tracebacks in the logs due to invalid requests.
See the detailed release notes for 1.0.10.
1.0.9
(September 10, 2015)
Trac 1.0.9 provides more than a dozen minor fixes and enhancements, including significantly reduced memory usage by the Git repository connector.
See the detailed release notes for 1.0.9.
1.0.8
(July 24, 2015)
Trac 1.0.8 fixes a regression introduced in Trac 1.0.7: the session for an authenticated username containing non-alphanumeric characters could not be retrieved, resulting in the user being denied access to every realm and resource (#12129).
See the detailed release notes for 1.0.8.
1.0.7
(July 17, 2015)
Trac 1.0.7 contains more than a dozen minor fixes and enhancements, including the following highlights:
- Custom
svn:keywords
definitions are expanded in Subversion 1.8 and later (#11364). - Fixed MySQL performance regression in query with custom fields (#12113).
See the detailed release notes for 1.0.7.
1.0.6
(May 20, 2015)
Trac 1.0.6 provides more than 20 fixes and enhancements. The following are some highlights:
- Hash changeset ids and branch names can be used in revision ranges (#11050)
- Improved rendering performance using chunked response when
[trac]
use_chunked_encoding
isTrue
(#11802) - Improved performance of Git repositories (#11971).
- Header to send when
[trac]
use_xsendfile
isTrue
can be specified through the option[trac]
xsendfile_header
. X-Sendfile is supported in Nginx by specifyingX-Accel-Redirect
for the header (#11981). - Symbolic link can be used for
conf/trac.ini
in environment directory (#12000). - Hyphen character can be used in WikiProcessor parameter name (#12023).
See the detailed release notes for 1.0.6 and 0.12.7 (as 1.0.6 also contains the changes in 0.12.7).
1.0.5
(March 24, 2015)
Trac 1.0.5 provides several fixes. The following are some highlights:
- Images are not rendered in the timeline (#10751).
- Git tags are shown in the browser view (#11964).
- Added support for
journal_mode
andsynchronous
pragmas insqlite:
database connection string (#11967).
See the detailed release notes for 1.0.5.
1.0.4
(February 8, 2015)
Trac 1.0.4 contains a few fixes, including a fix for a regression in 1.0.3.
- Workflow action labels were not displayed unless name attribute was explicitly defined (#11930).
See the detailed release notes for 1.0.4.
1.0.3
(January 13, 2015)
Trac 1.0.3 is a maintenance release containing numerous fixes and minor enhancements. The following are a few of the highlights:
The following list contains only a few highlights:
- Notification is sent when adding an attachment to a ticket (#2259).
- Stylesheets and scripts are loaded during autopreview, resulting in proper syntax highlighting when code WikiProcessors are added (#10470) and display of Workflow graphs without explicit autopreview (#10674).
- Merge changesets are shown as differences against first parent, resulting in less noisy changesets (#10740).
- Pygments 2.0 is supported (#11796).
- Fixed error when completing the
initenv
TracAdmin command (#11797). - Performance improvement on systems with many thousands of authenticated users due to caching of Environment.get_known_users (#11868).
- Distribution metadata of wheel package is supported and displayed on the About page (#11877).
- … and more than 3 dozen total fixes!
See the detailed release notes for 1.0.3.
1.0.2
(October 23, 2014)
Trac 1.0.2 contains a number of bug fixes and minor enhancements, as well as a major update for many translations.
The following list contains only a few highlights:
- Subversion keywords are expanded and EOL substitutions made when viewing a file in the repository browser and when downloading a file (#717).
- Notification email is sent to the old owner when a ticket is reassigned (#2311).
- Ticket change history is updated when renaming and deleting a milestone, and when retargeting tickets to another milestone (#4582, #5658).
- Numerous fixes for the Authz permissions policy in the browser/repository (#10961, #11646), wiki (#8976, #11067), admin (#11069) and report (#11176) realms.
- Multiple forms submits are disallowed (#10138).
ConfigurationError
is raised if any of thepermission_policies
can't be loaded, preventing possible information leakage due to internal and installation errors (#10285).- Wiki toolbars can be disabled through a configuration setting (#10837)
- The number of entries in a table is shown next to heading on applicable admin pages (#11027).
- Cancel buttons are consistently located on all pages (#11076).
- Focus is placed on a text element when an edit page is loaded (#11084).
- The Edit conflict and Merge warning messages are always visible in side-by-side edit mode (#11102).
- Improvements to the layout of the Report (#11106, #11664) and Ticket pages (#11471).
- Genshi 0.7 compatibility (#11218).
- Numerous minor fixes for Git repository support.
- … and more than a hundred more fixes!
See the detailed release notes for 1.0.2 and 0.12.6 (as 1.0.2 contains all the fixes done for 0.12.6).
1.0.1
(February 1, 2013)
Trac 1.0.1 contains a number of bug fixes and minor enhancements, as well as a major update for many translations.
The following list contains only a few highlights:
- Fix zip source download for large directories in Subversion repositories (#10840)
- Performance improvement for the Roadmap, by caching milestone properties (#10879)
- Added a select all checkbox to table of components for each plugin on the Plugins admin panel (#9609)
- Restore the Modify link at the top of the ticket page, as it was in Trac 0.12 (#10856)
ListOption
keeps values other than empty string and None in raw list as default (#10541)- Prevent possibility of multiple identical info or warning messages being presented to the user (#10987)
- The BatchModify select-all checkboxes are toggled with tri-state behavior when the ticket checkboxes are toggled (#10992)
- Update the ticket changetime to the current time when deleting a ticket comment (#10486)
See the detailed release notes for 1.0.1 and 0.12.5 (as 1.0.1 contains all the fixes done for 0.12.5).
1.0 'Cell'
(September 7, 2012)
Trac 1.0 is a major release adding refreshed user interface and improved DVCS repository support as the most visible changes.
The following list contains only a few highlights:
- The default theme looks more modern, especially on recent browsers (no effort has been made to make it look better on older browsers like IE6 or 7)
- The GitPlugin has been donated by Herbert Valerio Riedel to the Trac project (many thanks!) and is now maintained here as an optional component
- As a consequence, the Subversion support has been moved below
tracopt.versioncontrol
as well - The Git and Mercurial log view feature a visualization of the branching structure
- Usability improvements for the tickets, with a better support for conflict detection and resolution
- Integration of the BatchModifyPlugin, contributed by Brian Meeker (many thanks!) and is now maintained there as a default component
- jQuery/UI integration, featuring a date picker for date fields
- Improved integration with Pygments syntax highlighting
- ... and numerous smaller features added and bugs fixed since 0.12!
See the full list in 1.0.
Older Releases
For releases prior to 1.0, see TracChangeLog@154.
For releases prior to 0.12, see TracChangeLog@95.