← 1.4 | 1.8 →

Release Notes for Trac 1.6 Py3 Release

Trac 1.6 is the latest stable version of Trac.
These notes reflect the final status.

Highlights

• Dropped support for Python 2.7. Python 3.5+ is supported (#12130).

Maintenance Releases

Overview

1.6.1	45 / 79

Tickets with release notes

Milestone: 1.6.1 (40 matches)

Ticket	Release Notes
#13701	Fixed ETag header with non-ascii characters is generated from check_modified() when req.authname has non latin-1 characters. Verify latin-1 characters only are used in status and headers when WSGIServer._start_response is invoked.
#13482	Allow to use Babel 2.10+ and unpin Babel<2.10 of requirements.
#13563	Fixed ResourceWarning when tracd is killed by CTRL-C.
#13599	apidoc: Fixed disappeared first positional argument of methods in Interface classes.
#13613	Removed release-exe task from Makefile. Windows installers have been no longer supported because bdist_wininst command is removed.
#13621	Fixed JavaScript error raised from ticket view when no workflow actions defined.
#13625	Fixed an error while rendering diff of a changeset if [trac] use_chunked_encoding disabled.
#13628	Removed workaround for Internet Explorer when post and redirect with hash.
#13629	Removed checking python -V because of checking trac-admin -v. Use python3 rather than python in shebang.
#13634	Use sorted() instead of ORDER BY session.sid in order to avoid filesort caused by indexing only a prefix of column values on MySQL.
#13687	Fixed a TypeError raised while sending sql format of a report.
#13702	Fixed incorrect handling WSGI "bytes-as-unicode" string of the REMOTE_USER variable.
#13740	Fixed incorrectly showing batch modify feature even for users without TICKET_BATCH_MODIFY.
#13745	Fixed KeyError raised when IRequestHandler.process_request returns domain parameter in the metadata. Made tagn_, dtgettext and dtngettext available in Jinja2 templates.
#13747	Fixed IndexError raised from GitRepository.normalize_rev('FFFF') if the repository has 5,000+ revisions.
#13749	Use ssl.SSLContext.wrap_socket instead of ssl.wrap_socket removed in Python 3.12.
#13751	Fixed UnicodeEncodeError when writing to log file on mod_wsgi with C locale.
#13752	Fixed ambiguous column of query and incompatible query with PostgreSQL and MySQL which is created by TestNewReport, and verify the result of FunctionalTester.create_report.
#13753	Fixed enableBlame is not defined javascript error when viewing an empty file with blame view.
#13754	Fixed blame view not working when repository name has meta characters.
#13758	Fixed ValueError raised when receiving non-strict query string for POST method if multipart package installed.
#13761	Fixed Request.send not set Content-Length header for a bytes instance.
#13770	Fixed incorrect Reply-To: <> header generated in notification mail when smtp_replyto not configured.
#13773	Allowed passing a generator to max and min filters in Jinja2 templates. Fixed a typo mix for min filter in Jinja2 templates.
#13778	The label of Revert changes button is translatable, now.
#13784	Fixed the auto-centering of wikiColumn function in wiki.js. Skip elements which have float: ..., position: absolute, position: fixed. Add trac-wiki-center class instead of directly set the style of the elements. The auto-centering doesn't work if enabling narrow when fullwidth is configured. The auto-centering in narrow incorrectly effects print view.
#13788	Adapted unit tests to multipart 1.0.0+.
#13790	Avoid unicode digits in domain part of email address in wiki formatting.
#13794	Fixed diff view to send bytes instance and TypeError not raises when term parameter is missing.
#13802	Fixed background color of focused item in the autocomplete menu of diff view. Fixed // entry listed wrongly in the autocomplete menu in diff view when the repository's name is configured to empty.
#13803	Fixed libpq version detection crashing with Python 3.13.0. Use psycopg2.extensions.libpq_version() to retrieve the libpq version if psycopg2≥2.7.
#13864	Use the inline style element in prefs/pygments panel in order to prevent many requests on page load.
#13866	Prevent uses of unnecessary lineno styles from Pygments 2.7.0 or later.
#13867	Fixed AttributeError raised from SubversionNode.get_copy_ancestry with Subversion 1.14.5.
#13871	Restored allowing 0 to daysback field of timeline.
#13877	Fixed incorrect events and days appearing in timeline view when crossing the daylight saving time boundary.
#13881	File names of wheel and sdist packages are started with trac, not Trac.
#13760	Use add_script rather than directly adding threaded_comments.js in ticket.html template.
#13762	Request.write raises a ValueError for an empty str instance now.
#13865	Fixed 2 test failures with Pygments 2.19.0 or later.

Development Releases

Overview

1.6	11 / 11

1.5.4	22 / 22

1.5.3	11 / 11

1.5.2	5 / 5

1.5.1	11 / 11

Tickets with release notes

Milestone: 1.6 (5 matches)

Ticket	Release Notes
#13575	Write data as binary to stdout in CGI frontend.
#13510	Use multipart module instead of deprecated cgi since Python 3.11 if the multipart available
#13603	Use datetime.fromtimestamp(..., utc) instead of deprecated datetime.utcfromtimestamp to avoid deprecation messages since Python 3.12.
#13604	Adapt to onexc of shutil.rmtree since Python 3.12 to avoid deprecation warnings.
#13608	Adapted functional tests to Selenium 4 and later.

Milestone: 1.5.4 (18 matches)

Ticket	Release Notes
#13449	Fix use of reload() which has been removed in Python 3.0, when mod_python is used.
#13492	Fix internal server error when uploading files using fcgi.
#13505	Fixed SEGV raised from SQLite cursor with Python 3.11.
#13403	Make fcgi frontend compatible with Python 3.
#13404	Make compatible with Jinja2 3 and MarkupSafe 2.1.0, and add workaround for AssertionError when Jinja2 3.0.0 is used.
#13405	Fixed incorrect rendering of Git version in System Information table.
#13409	Fix incorrect repository_dir metadata for Subversion repository.
#13459	Fixed wrong content_type for a file in Subversion repository when svn:mime-type is not set.
#13464	Allow bcrypt, sha-256 and sha-512 password hashes in htpasswd file. Added -t method option to contrib/htpasswd.py.
#13474	Fixed TypeError is raised from progress_bar.html when all intervals are 0%.
#13477	Fixed incompatible with Jinja2 3.1.
#13479	Fixed message extraction with Python3, Babel and Jinja2 3+.
#13483	Perfer text/* type in order to prevent rendering as an image for *.c filename with Pygments 2.11+.
#13488	Fixed wrong pagination links in search page.
#13494	Upgraded the bundled jQuery to version 3.6.3.
#13495	Fixed TypeError raised from changeset view when non-default property renderer is used and the quality is 1.
#13511	Use importlib rather than deprecated imp to load *.py plugin files.
#13565	Fixed generating apidoc with Sphinx 5 and adapt to Python 3.
Milestone: 1.5.3 (9 matches)
Ticket	Release Notes
#13378	Add workaround for SmtpEmailSender with unicode credentials.
#11538	ConfigurationError will be raised when there are duplicate sections and options in trac.ini.
#13236	Fixed TypeError when CommitTicketReference macro or wiki processor is used on the New Ticket form.
#13336	Fixed -d/--daemonize failure for tracd.
#13345	Fix global shutdown crashes while creating new database connection.
#13356	Fix double-destroying memory pool error from tracd server on functional-test
#13359	The minimum required setuptools version is 30.3.
#13361	Workaround for test failures due to changing locale on call of tidylib.tidy_document.
#13401	Avoid crashing when apr memory pools (parent and child) are destroyed by cyclic garbage collector.
Milestone: 1.5.2 (3 matches)
Ticket	Release Notes
#12130	Changed Python compatibility to 3.5+.
#13243	Fixed slow repository sync command for cached repository with many commits.
#13310	Bump setuptools requirement from >= 0.6 → > 5.6.
Milestone: 1.5.1 (5 matches)
Ticket	Release Notes
#3754	Open tickets can be retargeted from the Ticket Admin > Milestones page.
#12196	Added View Milestone contextual navigation to the Admin milestone edit page.
#12213	The default value is shown on the preferences page in the label of the default selection of various Select inputs.
#12965	Added option --no-default-data to trac-admin initenv, for creating an empty environment without any reports, permission groups or sample data (components, milestones, enums).
#13213	The [query] ticketlink_query value can be uniquely specified for each custom field using the ticketlink_query option in the [ticket-custom] section. This applies to all custom field types for which [query] ticketlink_query would be applied, which excludes text (format: plain and wiki), textarea and time fields.

Developer-visible changes

A detailed view of the API changes since 1.4.x can be found in TracDev/ApiChanges/1.6.

Code Name

The 0.11 release was dubbed "Genshi", 0.12 "Babel" and 1.4 "Jinja2" after the names of the Python packages that became closely associated to these Trac versions. The most significant change in 1.6 is Python 3 support, so it seems appropriate to name 1.6 "Py3".