Sourced from icalendar's releases.

v7.1.0

To view the changes, please see the Changelog. This release can be installed from PyPI.

v7.0.3

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v7.0.2

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v7.0.1

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v7.0.0

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v7.0.0a3

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v7.0.0a2

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v7.0.0a1

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Sourced from icalendar's changelog.

7.1.0 (2026-04-30)

Minor changes

- Deprecate ``icalendar.parser.escape_string`` and ``icalendar.parser.unescape_string`` for icalendar version 8. Use ``_escape_string`` and ``_unescape_string`` internally. :issue:`1011`
- Added behavioral tests for :class:`~icalendar.cal.lazy.LazyCalendar` covering serialization round-trips, ``.todos``, ``.journals``, forward timezone references, and ``with_uid()`` substring false-positives. :issue:`1050`
- Added edge case tests for :class:`~icalendar.prop.conference.Conference` parameter normalization covering string passthrough, empty list filtering, and ``None`` omission. :issue:`925`
- Make icalendar an explicit editable install for clarity. :pr:`1268`
- Do not run some tests until a pull request is approved. :pr:`1246`
- Mark skipped CI tasks as skipped instead of running them. :issue:`1286`
- Created an :meth:`~icalendar.prop.boolean.vBoolean.ical_value` property for the :class:`~icalendar.prop.boolean.vBoolean` component. :issue:`876`
- Created an :meth:`~icalendar.prop.float.vFloat.ical_value` property for the :class:`~icalendar.prop.float.vFloat` component. :issue:`876`
- Created an :meth:`~icalendar.prop.integer.vInt.ical_value` property for the :class:`~icalendar.prop.integer.vInt` component. :issue:`876`
- Created an :meth:`~icalendar.prop.binary.vBinary.ical_value` property for the :class:`~icalendar.prop.binary.vBinary` component. :issue:`876`
- Put the link check as the last documentation CI task, allowing the documentation build and Vale to run first and fail faster. :pr:`1295`
- Extended :func:`~icalendar.timezone.tzp.TZP.localize` to support localizing both :class:`datetime.datetime` and :class:`datetime.time` objects, returning timezone-aware :class:`datetime.time` objects for the latter. :issue:`1142`
- Add type hints to tests directory functions. :issue:`938`
- Update to Contributor Covenant 3.0 Code of Conduct, hosted at https://pycal.org/code-of-conduct/.
New features

- Added :class:`~icalendar.cal.lazy.LazyCalendar` for lazy parsing of subcomponents. :issue:`158`, :issue:`1050`
- Updated :func:`icalendar.prop.dt.time.vTime.from_ical` to support parsing time values with TZID parameters, returning timezone-aware :class:`datetime.time` objects. :issue:`1142`
- Added ``subcomponents`` parameter to :meth:`Component.new <icalendar.cal.component.Component.new>`, :meth:`Event.new <icalendar.cal.event.Event.new>`, :meth:`Todo.new <icalendar.cal.todo.Todo.new>`, and :meth:`Availability.new <icalendar.cal.availability.Availability.new>`. :issue:`1065`
- Switch to uv for development. :issue:`1102`
Bug fixes

- Allow lenient parsing of content lines with optional whitespace around property and parameter delimiters (for example, ``REFRESH - INTERVAL; VALUE = DURATION:PT48H``) when parsing calendars with ``strict=False``. :issue:`351`
- X-properties with a ``VALUE`` parameter are now parsed using the correct type instead of falling back to :class:`~icalendar.prop.unkown.vUnknown`. :issue:`1238`
- Test that the ``DURATION`` property catches :class:`datetime.timedelta` objects without vProperty wrappers. :issue:`884`
- Fixed :func:`~icalendar.attr.get_end_property` to avoid allowing the creating of VEVENT components with negative durations. Only VTODO components are allowed to have negative durations. :issue:`999`
- GitHub Actions: conditional tests now show as "skipped" instead of "pending". :issue:`1264`
- Fixed :meth:`Component.__eq__ <icalendar.cal.component.Component.__eq__>` method not being commutative when comparing subcomponents. :issue:`1224`
- Verified that the ``VALUE`` parameter of jCal components is used for the type of the component property. :issue:`1237`
- Fix :func:`~icalendar.parser.string.escape_char` handling of ``bytes`` input by converting with :func:`icalendar.parser_tools.to_unicode` before escaping. :issue:`1226`
- Fixed ``RecursionError`` in ``walk()``, ``property_items()``, and ``to_ical()`` by using iterative implementations for component traversal and property extraction. :pr:`1348`

Documentation
</code></pre>
<ul>
<li>Convert docstring of :func:<code>~icalendar.param.string_parameter</code> to Google style. :issue:<code>1072</code>, :pr:<code>1316</code></li>
<li>Run <code>sphinx-build</code> with <code>-W</code> to turn warnings into errors. :issue:<code>1306</code></li>
<li>Added <code>sphinx-llms-txt <https://sphinx-llms-txt.readthedocs.io/en/stable/></code>_ extension to generate :file:<code>llms.txt</code> and :file:<code>llms-full.txt</code> files for AI/LLM documentation consumption. :issue:<code>1302</code></li>
<li>Fixed CI Vale check reporting and resolved Vale errors. :issue:<code>1277</code></li>
<li>Include :file:<code>Makefile</code> in documentation workflow path filters so documentation CI runs when Makefile logic changes, and keep Vale failures visible in CI output. :issue:<code>1277</code></li>
</ul>
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</details>
<details>
<summary>Commits</summary>

<ul>
<li><a href="https://github.com/collective/icalendar/commit/1300b76fb3fe40d987cc3715735c026b3c1a2191"><code>1300b76</code></a> Merge branch 'main' into 7.x</li>
<li><a href="https://github.com/collective/icalendar/commit/255e6b841331e2d5cf2901402e08ab788899d465"><code>255e6b8</code></a> add 7.x to run the tests</li>
<li><a href="https://github.com/collective/icalendar/commit/fc8a4f5674eaa05bf3546b296f166583f670561a"><code>fc8a4f5</code></a> disable the version switcher on the 7.x branch</li>
<li><a href="https://github.com/collective/icalendar/commit/f5aa35d2ff6d106f5a7b286970b65b5f9d9211b4"><code>f5aa35d</code></a> version 7.1.0</li>
<li><a href="https://github.com/collective/icalendar/commit/b4ffb8345deea76e4cca72689907ed2f8488e7de"><code>b4ffb83</code></a> Merge pull request <a href="https://redirect.github.com/collective/icalendar/issues/1348">#1348</a> from uwezkhan/fix/property-items-recursion</li>
<li><a href="https://github.com/collective/icalendar/commit/1d6d18d357335367d72f4628b7158dd4800caf39"><code>1d6d18d</code></a> Merge branch 'main' into fix/property-items-recursion</li>
<li><a href="https://github.com/collective/icalendar/commit/05a34d48d3223b2780c9afffd0cdbab9d5c50ffd"><code>05a34d4</code></a> Merge pull request <a href="https://redirect.github.com/collective/icalendar/issues/1346">#1346</a> from uwezkhan/fix/deep-component-walk-dos</li>
<li><a href="https://github.com/collective/icalendar/commit/a4829d4d43b29e430b97ab66313f6357edd3742d"><code>a4829d4</code></a> Merge branch 'main' into fix/property-items-recursion</li>
<li><a href="https://github.com/collective/icalendar/commit/66579fbf8fb4aeb6bf1ded0cfa353ba3d500e35a"><code>66579fb</code></a> fix formatting</li>
<li><a href="https://github.com/collective/icalendar/commit/1f55c2035315e53b8d9a6eeacf1aee046d794fd3"><code>1f55c20</code></a> Merge branch 'main' into fix/deep-component-walk-dos</li>
<li>Additional commits viewable in <a href="https://github.com/collective/icalendar/compare/v6.3.2...v7.1.0">compare view</a></li>
</ul>
</details>

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