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Release Notes for for Trac 1.6 Py3 Release

This page documents changes in the 1.5.x releases leading up to 1.6. This page will eventually document the final status of 1.6.

1.5.x releases are "stable" and tested snapshots of trunk​. They can be seen as sub-milestones on the road towards 1.6.

As opposed to maintenance releases, we offer no guarantees on feature and API compatibility from one 1.5.x release to the next.

However, by following 1.5.x you get a chance to use new features earlier, and therefore be able to contribute feedback when things are still in flux. It's also less risky than just getting the latest trunk, as we won't cut a 1.5.x release in the middle of a series of changes, though we had and still intend to have a good record of keeping things always working on trunk.

If you are a plugin developer, also check the ApiChanges/1.6 page.

Highlights

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

Development Releases

Overview

1.5.4	7 / 8

1.5.3	11 / 11

1.5.2	5 / 5

1.5.1	11 / 11

Tickets with release notes

Milestone: 1.5.4 (5 matches)

Ticket	Release Notes
#13449	Fix use of reload() which has been removed in Python 3.0, when mod_python is used.
#13403	Make fcgi frontend compatible with Python 3.
#13404	Make compatible with Jinja 3 and add workaround for AssertionError when Jinja 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.
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".