b4 has no known vulnerabilities on the latest version (0.15.2). DepScope rates its health at 68/100 (moderate risk).

What is the latest version of b4?

The latest version of b4 is 0.15.2, released 2026-04-09.

Does b4 have known vulnerabilities?

No known vulnerabilities on the latest version of b4.

No, b4 is actively maintained. Latest release: 0.15.2 (2026-04-09).

Popular alternatives to b4 in PyPI include: boto3/, packaging, urllib3/, certifi, urllib3.

b4 is licensed under GNU General Public v2 or later (GPLv2+).

pypiv0.15.2

A tool to work with public-inbox and patch archives

License GNU General Public v2 or later (GPLv2+)45 versions6 deps3,085 weekly dl

/ 100

Health

safe to use

[email protected] is safe to use (health: 68/100)

Health breakdown0 – 100

25/25

maintenance

6/20

popularity

25/25

security

12/15

maturity

0/15

community

Vulnerabilities

none known

Dependencies (6)

API access

Get this data programmatically — free, no authentication.

curl https://depscope.dev/api/check/pypi/b4