No known security advisories.
The current version has no OSV.dev malware reports and no critical or high-severity vulnerabilities.
pybind11 has 27.8M monthly downloads and 18K GitHub stars. Version 3.0.4 supports Python 3.8+, first published in 2015.
It is actively maintained under a permissive license, last released in Apr 2026.
It is used by 624 tracked packages, including fasttext-wheel, fasttext and openequivariance.
GitHub topics include bindings.
Package Insights
Score breakdown - each component scores 0-100, weighted by percentage
Maintenance
100
Popularity
89
Adoption
70
Community
80
Provenance
100
How the maintenance status was determined
Last commit
4 days ago
Monthly downloads
27,787,635
•
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
27,787,635
Stars
17,957
Stars per 1k downloads
0.65
•
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
855,260
Month daily avg
926,254
Momentum
-7.7%
((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
BSD-3-Clause
•
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
80 days ago
Total releases
66
Releases/year
6.1
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
402
Monthly downloads
27,787,635
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
87
Issue Burden
33.1
per 1k stars
Discussions
43.4
per 1k stars
Fork Ratio
17.4%
contrib / forks
Stale Release
75d
PR Velocity
Quiet
Weekly Downloads
GitHub Stars
Not all downloads include detailed metadata. Breakdowns reflect the subset that does.
Downloads by OS
Linux
475.0K
Windows
12.5K
macOS
9.0K
Python Versions
3.11
36.4%
168.9K
3.12
30.9%
143.5K
3.13
14.2%
66.1K
3.10
12.6%
58.6K
3.14
5.8%
27.1K
Top Countries
1.
US
373.1K
US
2.
SG
50.1K
SG
3.
HK
11.3K
HK
4.
IE
8.5K
IE
5.
IN
6.8K
IN
6.
DE
6.8K
DE
7.
GB
5.4K
GB
8.
NL
5.2K
NL
9.
CN
4.5K
CN
10.
JP
4.2K
JP
Dependencies
0
1 optional dependencies
- pybind11-global[global]
Used By
624
- fasttext-wheel
- fasttext
- openequivariance
- ccimport
- pccm
- nmslib
- pylcs
- skia-python
- verl
- riskfolio-lib
- pyclothoids
- fpsample
- nmslib-metabrainz
- crackle-codec
- epochly
- osteoid
- cumm-cu126
- aimet-torch
- spconv-cu126
- galsim
- cumm
- pykeops
- setuptools-cpp
- nvidia-lm-eval
- gt4py
- aimet-onnx
- fasttext-numpy2-wheel
- nemo-automodel
- lemmagen3
- tflite-support
- cumm-cu120
- spconv
- spconv-cu120
- spconv-cu121
- grss
- cumm-cu121
- lmms-eval
- neptrainkit
- opentimspy
- compressai
- cumm-cu124
- spconv-cu124
- fasttext-community
- hardview
- qsimcirq
- includecpp
- cumm-cu118
- treecorr
- spconv-cu118
- fasttext-ng
Package Information
License
BSD-3-Clause
First Release
October 15, 2015
Last Release
2 months ago
Last Commit
5 days ago
Latest Version
3.0.4
Total Releases
66
Contributors
402
Open PRs
138
Archived
No
Python Versions
3.8
3.9
3.10
3.11
3.12
3.13
3.14
Wheels
py2
py3
Keywords
Tracking Since
January 6, 2026
Data Updated
July 5, 2026
Data Freshness
Fresh