Sourced from pyparsing's changelog.

Version 3.2.4 - September, 2025

• Barring any catastrophic bugs in this release, this will be the last release in the 3.2.x line. The next release, 3.3.0, will begin emitting DeprecationWarnings when the pre-PEP8 methods are used (see header notes above for more information, including available automation for converting any existing code using pyparsing with the old names).

• Fixed bug when using a copy of a Word expression (either by using the explicit copy() method, or attaching a results name), and setting a new expression name, a raised ParseException still used the original expression name. Also affected Regex expressions with as_match or as_group_list = True. Reported by Waqas Ilyas, in Issue #612 - good catch!

• Fixed type annotation for replace_with, to accept Any type. Fixes Issue #602, reported by esquonk.

• Added locking around potential race condition in ParserElement.reset_cache, as well as other cache-related methods. Fixes Issue #604, reported by CarlosDescalziIM.

• Substantial update to docstrings and doc generation in preparation for 3.3.0, great effort by FeRD, thanks!

• Notable addition by FeRD to convert docstring examples to work with doctest! This was long overdue, thanks so much!

• 57923cd Enable matplotlib unit tests for Python 3.14
• fad1505 Update CHANGES file with thanks to FeRD for making the docstring examples doc...
• 6622151 Update tox.ini to add doctest testing for all Python versions 3.10 and later
• e6ed66b Change doctest for LineStart to reflect latest implementation of "is this tok...
• 23092da Doctests for pyparsing.exceptions
• 0bae3cd Doctests for pyparsing.common
• 98ec165 Docs: Add doctest-wrtiting documentation
• 0b46bcd Doctests for pyparsing.core
• 9a898f5 Docs: Update API definition
• 45fd972 Doctests for pyparsing.helpers
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