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PyPI · pypi:libcst

libcst active

A concrete syntax tree with AST-like properties for Python 3.0 through 3.15 programs.

The latest stable version of libcst is 1.9.0, published on 2026-07-29. Verified by Vigia on 2026-11-13.

Latest stable version1.9.0
Published2026-07-29 19:24:27 UTC
Installpip install --upgrade libcst
Requirespython >=3.9
License—
Advisories on latest versionnone known
Last verified2026-11-13 18:08:05 UTC
Sourcespypi.org

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Maintenance

Activityactive
Last stable release2026-07-29 19:24:27 UTC · 106 days ago
Stable releases in the last 12 months1
Published versions66

Heuristic based only on release dates; it does not measure issue or security response times.

Version history

VersionPublished
1.9.02026-07-29 19:24:27 UTC
1.8.62025-11-03 22:31:50 UTC
1.8.52025-09-26 05:27:47 UTC
1.8.42025-09-09 19:40:50 UTC
1.8.22025-06-13 20:54:49 UTC
1.8.12025-06-10 16:46:52 UTC
1.8.02025-05-27 14:21:50 UTC
1.7.02025-03-13 10:13:17 UTC
1.6.02025-01-10 11:27:50 UTC
1.5.12024-11-18 21:46:30 UTC
1.5.02024-10-10 10:35:14 UTC
1.4.02024-05-22 15:04:02 UTC
1.3.12024-04-03 20:57:22 UTC
1.3.02024-04-03 19:41:12 UTC
1.2.02024-02-19 12:48:30 UTC
1.1.02023-10-06 02:49:15 UTC
1.0.12023-06-07 12:52:47 UTC
1.0.02023-05-25 19:14:55 UTC
0.4.102023-05-23 14:43:40 UTC
0.4.92022-11-10 21:32:41 UTC

Showing the 20 most recent of 65 versions. JSON

Version compatibility

Newest stable version that declares support for each runtime version (from the requirements published with each version).

RuntimeNewest compatible version
python 3.81.1.0
python 3.91.9.0
python 3.101.9.0
python 3.111.9.0
python 3.121.9.0
python 3.131.9.0

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Frequently asked questions

What is the latest version of libcst?

The latest stable version of libcst is 1.9.0, published on 2026-07-29. Verified by Vigia on 2026-11-13.

How do I install the latest version of libcst?

Run pip install --upgrade libcst. The latest stable version is 1.9.0 (verified 2026-11-13).

Is libcst deprecated?

No. libcst is not marked as deprecated in the registry.

Which Python version does libcst require?

libcst 1.9.0 declares this requirement: python >=3.9.

Does libcst 1.9.0 have known vulnerabilities?

No known advisories affect libcst 1.9.0 according to the data Vigia checks.

Is libcst still maintained?

libcst published 1 stable releases in the last 12 months; the most recent was 106 days ago. Activity: active.

Observed changes

No changes observed yet since Vigia started tracking this package.

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