Sourced from croniter's changelog.

6.2.2 (2026-03-15)

Packaging

- Switch build backend from ``flit_core`` to ``hatchling`` with pinned dependencies. [4cce160]
- Add PEP 639 license expression (``license = "MIT"``) to project metadata. [4cce160]
- Pin all GitHub Actions to SHA hashes across CI workflows. [4cce160]
- Add dependabot for automated dependency updates. [4cce160]
- Add zizmor workflow for CI security scanning. [4cce160]
6.2.1 (2026-03-15)
Bugfixes
- Fix ``get_prev`` skipping Feb 29 on leap years for day-of-month expressions. [441a0b5, [#203](https://github.com/pallets-eco/croniter/issues/203), @Souls-R]
Packaging

</code></pre>

<ul>

<li>Add <code>License :: OSI Approved :: MIT License</code> classifier. [270cbbc, <a href="https://github.com/cdheiser"><code>@​cdheiser</code></a>]</li>

</ul>

<h2>6.2.0 (2026-03-14)</h2>

<p>Features and Improvements</p>

<pre><code>- Add support for W (nearest weekday) in the day-of-month field. [c79d88a]

Add precision_in_seconds parameter to match() and match_range() to allow overriding the default matching precision. [7415d1e, #58]
Add strict parameter to is_valid() and expand() for cross-field validation of impossible day/month combinations. [0352d48, #199]

Bugfixes



Fix memory leak by removing EXPRESSIONS global dict cache. [6ebfe56, @​Souls-R]

Testing and Documentation

• Document day_or and implement_cron_bug parameters for day-of-month/day-of-week interaction. [289bf73, #75]
• Document precision_in_seconds parameter and default precision behavior for match(). [7415d1e, #58]

6.1.0 (2026-03-14)

Features and Improvements

- Support for `zoneinfo` timezones. [b4e7295, Benjamin Drung (@bdrung)]
- Add type hints to `croniter.__init__`, `timestamp_to_datetime`, and property initializations. [b171ea9, 257741e, c4f5e44, Benjamin Drung (@bdrung)]
</tr></table> 

... (truncated)

• f453fa2 Prepare for release 6.2.2
• 4cce160 Switch to hatchling, add PEP 639 license, pin actions, add dependabot and zizmor
• 06f89da Prepare for 6.2.2 development
• c37bfb9 Prepare for release 6.2.1
• 441a0b5 fix: use _last_day_of_month in get_prev to handle leap year Feb 29 (#204)
• 270cbbc Add License :: OSI Approved :: MIT License classifier (#205)
• dc1d952 Prepare for 6.2.1 development
• 12d25c2 Prepare for release 6.2.0
• 7415d1e Add precision_in_seconds parameter to match and match_range (#58) (#202)
• 289bf73 Add docs for day-of-month/day-of-week interaction and implement_cron_bug (#75...
• Additional commits viewable in compare view