# pycparser changelog

> pycparser release notes.

- Vendor: pycparser
- Category: Frameworks & Libraries
- Official site: https://github.com/eliben/pycparser
- Tracked by: What's New (https://whatsnew.fyi/product/pycparser)
- Harvested from: GitHub (eliben/pycparser)
- Entries below: 3 (newest first)

What's New is an index, not a publisher: every entry below links to the vendor's own release notes, which are the authoritative source. Entries are labelled where they are hand-curated sample data, pre-releases, or drawn from a secondary source such as a developer blog.

## Releases

### release_v3.00

- Date: 2026-01-21
- Version: release_v3.00
- Original notes: https://github.com/eliben/pycparser/releases/tag/release_v3.00
- Permalink: https://whatsnew.fyi/product/pycparser/releases/release-v3.00

##### What's Changed

* Removed dependency on PLY, by rewriting pycparser to use a hand-written lexer and recursive-descent parser for C. No API changes / functionality changes intended - the same AST is produced.
* Add support for Python 3.14 and drop EOL 3.8 by @hugovk in https://github.com/eliben/pycparser/pull/581
* Update _ast_gen.py to be in sync with c_ast.py by @simonlindholm in https://github.com/eliben/pycparser/pull/582


**Full Changelog**: https://github.com/eliben/pycparser/compare/release_v2.23...release_v3.00

### release_v2.23

- Date: 2025-09-09
- Version: release_v2.23
- Original notes: https://github.com/eliben/pycparser/releases/tag/release_v2.23
- Permalink: https://whatsnew.fyi/product/pycparser/releases/release-v2.23

##### What's Changed
* Allow abstract declarator "static" (GH issue #539) by @gperciva in https://github.com/eliben/pycparser/pull/545
* Add support for Python 3.13 by @hugovk in https://github.com/eliben/pycparser/pull/550
* Add dirent and socket typedefs. by @MegaManSec in https://github.com/eliben/pycparser/pull/558
* Support for labels with no statement by @ignatirabo in https://github.com/eliben/pycparser/pull/562
* Accept empty 'case' or 'default' labels by @ignatirabo in https://github.com/eliben/pycparser/pull/564
* fix: preserve parentheses for statement exprs by @zawan-ila in https://github.com/eliben/pycparser/pull/566
* fix: hex float types by @zawan-ila in https://github.com/eliben/pycparser/pull/567
* Explicit error for comments, with README link by @cellularmitosis in https://github.com/eliben/pycparser/pull/569
* showemptyattrs option on Node.show() by @cellularmitosis in https://github.com/eliben/pycparser/pull/570
* Add fake typedefs for GNU Extension 128-bit integers. by @dj-wednesday in https://github.com/eliben/pycparser/pull/577
* Typedef for __kernel_sa_family_t in linux/socket.h by @crosser in https://github.com/eliben/pycparser/pull/578

##### New Contributors
* @gperciva made their first contribution in https://github.com/eliben/pycparser/pull/545
* @MegaManSec made their first contribution in https://github.com/eliben/pycparser/pull/558
* @ignatirabo made their first contribution in https://github.com/eliben/pycparser/pull/562
* @zawan-ila made their first contribution in https://github.com/eliben/pycparser/pull/566
* @cellularmitosis made their first contribution in https://github.com/eliben/pycparser/pull/569
* @dj-wednesday made their first contribution in https://github.com/eliben/pycparser/pull/577
* @crosser made their first contribution in https://github.com/eliben/pycparser/pull/578

**Full Changelog**: https://github.com/eliben/pycparser/compare/release_v2.22...release_v2.23

### release_v2.22

- Date: 2024-03-30
- Version: release_v2.22
- Original notes: https://github.com/eliben/pycparser/releases/tag/release_v2.22
- Permalink: https://whatsnew.fyi/product/pycparser/releases/release-v2.22

##### What's Changed
* Add missing SCHAR limit defines  by @matamegger in https://github.com/eliben/pycparser/pull/449
* Use proper SPDX identifier by @Shortfinga in https://github.com/eliben/pycparser/pull/474
* Add Python 3.11 as a supported version by @erlend-aasland in https://github.com/eliben/pycparser/pull/469
* Fix multi-pragma/single statement blocks (#479) by @ldore in https://github.com/eliben/pycparser/pull/480
* Add an encoding parameter to parse_file by @jordr in https://github.com/eliben/pycparser/pull/486
* Feature/add  pragma support by @jordr in https://github.com/eliben/pycparser/pull/487
* Set up permissions to ci.yml by @joycebrum in https://github.com/eliben/pycparser/pull/492
* _build_tables: Invalidate cache before importing generated modules by @mgorny in https://github.com/eliben/pycparser/pull/494
* Upgrade GitHub Actions by @cclauss in https://github.com/eliben/pycparser/pull/500
* Create a Security Policy by @joycebrum in https://github.com/eliben/pycparser/pull/499
* New example to generate AST from scratch by @Andree37 in https://github.com/eliben/pycparser/pull/507
* Add support for Python 3.12 by @hugovk in https://github.com/eliben/pycparser/pull/515
* ply: Make generated lextab.py deterministic by @jackrosenthal in https://github.com/eliben/pycparser/pull/531

##### New Contributors
* @matamegger made their first contribution in https://github.com/eliben/pycparser/pull/449
* @Shortfinga made their first contribution in https://github.com/eliben/pycparser/pull/474
* @erlend-aasland made their first contribution in https://github.com/eliben/pycparser/pull/469
* @jordr made their first contribution in https://github.com/eliben/pycparser/pull/486
* @joycebrum made their first contribution in https://github.com/eliben/pycparser/pull/492
* @mgorny made their first contribution in https://github.com/eliben/pycparser/pull/494
* @cclauss made their first contribution in https://github.com/eliben/pycparser/pull/500
* @Andree37 made their first contribution in https://github.com/eliben/pycparser/pull/507
* @jackrosenthal made their first contribution in https://github.com/eliben/pycparser/pull/531

**Full Changelog**: https://github.com/eliben/pycparser/compare/release_v2.21...release_v2.22