pypi / python-levenshtein

python-levenshtein

What changed in python-levenshtein 0.27, from its official release notes, upgrade guides and advisories. Sources checked 2026-10-26.

2 breaking3 security1 tooling3 fixes and other

See which of these apply to your code, ranked, in your agent:

npx @unstale/cli init

@unstale/cli 0.2.8 on npm

python-levenshtein 0.279 changes

Breaking changes 2

Removes support for Python 3.10.
0.27.5release notes
Experimental Python 3.13 freethreading wheels were removed.
0.27.4release notes

Security 3

Fixed an out-of-bound read in setmedian for empty sequences.
0.27.4release notes
Fixed an out-of-bound read in quickmedian for empty strings.
0.27.4release notes
Fixed a potential out-of-bounds write.
0.27.4release notes

Tooling 1

Type hints were added for StringMatcher.
0.27.4release notes

Fixes and other changes 3

Avoids unnecessary len calls on iterables, preventing a crash if the iterable changes size after the len call.
0.27.5release notes
Adds support for Python 3.15.
0.27.5release notes
Adds support for Python 3.14.
0.27.3release notes