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PyPI · #4730 most downloaded on PyPI
A fast Markdown linter and formatter written in Rust
Last release 5 days ago
29 Sep 2026
Ships on a steady schedule
a new release about every 9 days
Nearly every release is documented
notes for 60 of the last 60 stable releases
1 version withdrawn
withdrawn after publishing
2 years old
367 releases · first in 2025
One column per month.
Implemented 3-tier exit code system following Ruff's convention:
Implemented lazy code span loading - 3.8x speedup for 94% of rules that don't use code spans
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MD036: Align with markdownlint behavior - emphasis ending with punctuation (e.g., Note:) is no longer flagged
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Comprehensive unit test coverage for all 54 linting rules (~742 new tests)
11 new output formatters for enhanced compatibility:
grouped - Groups violations by filepylint - Pylint-compatible formatazure - Azure Pipeline logging formatconcise - Minimal file:line:col formatgithub - GitHub Actions annotation formatgitlab - GitLab Code Quality report formatjson - Machine-readable JSON formatjson_lines - JSONL format (one JSON object per line)junit - JUnit XML format for CI integrationsarif - SARIF format for security toolstext - Default human-readable format with colorsoutput_format field now properly merges from configuration filesCMD codes instead of generic C codesglob, walkdir)Nothing published for this version
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Type-safe serde-based configuration system for all 24 configurable rules
Various bug fixes and performance improvements
Various bug fixes and stability improvements
Initial implementation of remaining rules for markdownlint parity
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