No known security advisories.
The current version has no OSV.dev malware reports and no critical or high-severity vulnerabilities.
pyyaml has 1.1B monthly downloads and 3K GitHub stars. Version 6.0.3 supports Python 3.8+, first published in 2011.
It is actively maintained under a permissive license, last released in Sep 2025.
It is used by 40,702 tracked packages, including huggingface-hub, awscli and pre-commit.
GitHub topics include yaml.
Package Insights
Package Risks
- No releases in 261 days despite active commits
Score breakdown - each component scores 0-100, weighted by percentage
Maintenance
90
Popularity
76
Adoption
70
Community
80
Provenance
0
How the maintenance status was determined
Last commit
19 days ago
Monthly downloads
1,103,348,315
•
Active
Activity within 30 days
Stable
Activity within 31-180 days
Minimal
Activity within 181-365 days, or no activity data
At Risk
No activity for > 365 days, but > 10,000 monthly downloads
Archived
Repository flagged as archived on GitHub
How the popularity category was determined
Monthly downloads
1,103,348,315
Stars
2,908
Stars per 1k downloads
0.00
•
Industry Standard
> 10,000,000 monthly downloads
Hidden Gem
< 0.5 stars per 1k downloads and > 100,000 monthly downloads
Community Favorite
> 5 stars per 1k downloads
Rising Star
Balanced ratio of stars to downloads
Unknown
Fewer than 1,000 monthly downloads, or no star data
How download momentum is calculated
Week daily avg
35,249,602
Month daily avg
36,778,277
Momentum
-4.2%
((week_daily_avg - month_daily_avg) / month_daily_avg) * 100Python version support tiers
requires_python
>=3.8
Cutting Edge
Minimum supported version is 3.12 or newer
Modern
Minimum supported version is 3.9, 3.10, or 3.11
•
Legacy
Supports 3.8 or older (or Python 2)
Unknown
No requires_python specified or unparseable
License categories
License
MIT
•
Permissive
MIT, Apache, BSD, ISC, Unlicense, CC0, etc.
Copyleft
GPL, LGPL, AGPL, MPL, EPL, etc.
Proprietary
Commercial, all rights reserved, custom EULAs
Unknown
No license specified, or none of the above match
How the release cadence was determined
Last release
280 days ago
Total releases
31
Releases/year
2.1
Rapid
Last release within 365 days and > 12 releases/year
•
Regular
Last release within 365 days
Slow
Last release 366-730 days ago
Stalled
Last release > 730 days ago, or no releases
Unknown
No usable release date available
How contributor risk was determined
Contributors
51
Monthly downloads
1,103,348,315
High Load
≤ 2 contributors and ≥ 50,000 monthly downloads
Moderate Load
< 10 contributors and ≥ 500,000 monthly downloads
Low Load
< 25 contributors and ≥ 5,000,000 monthly downloads, or sole maintainer with ≥ 10,000 monthly downloads
•
Balanced
Enough contributors for the package's popularity
Unknown
No contributor data available
Engagement
70
Issue Burden
82.2
per 1k stars
Discussions
0.0
per 1k stars
Fork Ratio
8.7%
contrib / forks
Stale Release
261d
PR Velocity
Active
Weekly Downloads
GitHub Stars
Not all downloads include detailed metadata. Breakdowns reflect the subset that does.
Downloads by OS
Linux
23.2M
Windows
511.4K
macOS
319.9K
Python Versions
3.12
33.5%
7.4M
3.11
25.4%
5.6M
3.10
18.7%
4.1M
3.13
16.5%
3.6M
3.14
5.9%
1.3M
Top Countries
1.
US
17.3M
US
2.
SG
1.2M
SG
3.
DE
775.0K
DE
4.
IN
718.7K
IN
5.
IE
627.5K
IE
6.
NL
587.2K
NL
7.
GB
309.4K
GB
8.
FR
274.5K
FR
9.
JP
247.4K
JP
10.
CA
228.1K
CA
Dependencies
0
No dependencies
Used By
40702
- huggingface-hub
- awscli
- pre-commit
- langchain-core
- transformers
- datasets
- kubernetes
- cfn-lint
- jsonschema-path
- dbt-core
- snowflake-snowpark-python
- libcst
- responses
- ray
- google-ads
- langchain-community
- omegaconf
- jupyter-events
- mlflow-skinny
- yamllint
- strands-agents
- dask
- bandit
- dbt-semantic-interfaces
- accelerate
- pymdown-extensions
- pymupdf-layout
- wandb
- kubernetes-asyncio
- python-frontmatter
- openlineage-python
- langchain-classic
- checkov
- google-adk
- pydantic-evals
- vcrpy
- mkdocs
- pyyaml-env-tag
- optuna
- ansible-core
- mkdocs-get-deps
- gradio
- llama-index-core
- datamodel-code-generator
- kfp
- mini-swe-agent
- papermill
- chromadb
- timm
- prefect
Package Information
License
MIT
First Release
July 1, 2011
Last Release
9 months ago
Last Commit
2 weeks ago
Latest Version
6.0.3
Total Releases
31
Contributors
51
Open PRs
110
Archived
No
Author
Kirill Simonov
Python Versions
3
3.8
3.9
3.10
3.11
3.12
3.13
3.14
Wheels
cp27
cp310
cp311
cp312
cp313
cp314
cp34
cp35
cp36
cp37
cp38
cp39
Tracking Since
January 6, 2026
Data Updated
July 5, 2026
Data Freshness
Fresh