PyPI · pypi:h11

h11 active

A pure-Python, bring-your-own-I/O implementation of HTTP/1.1

The latest stable version of h11 is 0.16.0, published on 2025-04-24. Verified by Vigia on 2026-11-12.

Latest stable version	0.16.0
Published	2025-04-24 03:35:24 UTC
Install	`pip install --upgrade h11`
Requires	`python >=3.8`
License	MIT
Advisories on latest version	none known
Last verified	2026-11-12 17:05:43 UTC
Sources	pypi.org

Maintenance

Activity	dormant
Last stable release	2025-04-24 03:35:24 UTC · 567 days ago
Stable releases in the last 12 months	0
Published versions	14

Heuristic based only on release dates; it does not measure issue or security response times.

Version history

Version	Published
`0.16.0`	2025-04-24 03:35:24 UTC
`0.15.0`	2025-04-24 03:07:00 UTC
`0.14.0`	2022-09-25 15:39:59 UTC
`0.13.0`	2022-01-19 20:45:23 UTC
`0.12.0`	2021-01-01 11:34:45 UTC
`0.11.0`	2020-10-05 18:23:12 UTC
`0.10.0`	2020-08-13 09:50:38 UTC
`0.9.0`	2019-05-15 18:43:45 UTC
`0.8.1`	2018-04-15 05:15:32 UTC
`0.8.0`	2018-03-20 08:01:08 UTC
`0.7.0`	2016-11-26 05:18:50 UTC
`0.6.0`	2016-10-25 03:47:17 UTC
`0.5.0`	2016-05-14 01:29:43 UTC
`0.0.1`	—

Showing the 14 most recent of 14 versions. JSON

Version compatibility

Newest stable version that declares support for each runtime version (from the requirements published with each version).

Runtime	Newest compatible version
`python 3.8`	`0.16.0`
`python 3.9`	`0.16.0`
`python 3.10`	`0.16.0`
`python 3.11`	`0.16.0`
`python 3.12`	`0.16.0`
`python 3.13`	`0.16.0`

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Frequently asked questions

What is the latest version of h11?

The latest stable version of h11 is 0.16.0, published on 2025-04-24. Verified by Vigia on 2026-11-12.

How do I install the latest version of h11?

Run pip install --upgrade h11. The latest stable version is 0.16.0 (verified 2026-11-12).

Is h11 deprecated?

No. h11 is not marked as deprecated in the registry.

Which Python version does h11 require?

h11 0.16.0 declares this requirement: python >=3.8.

Does h11 0.16.0 have known vulnerabilities?

No known advisories affect h11 0.16.0 according to the data Vigia checks.

Is h11 still maintained?

h11 published 0 stable releases in the last 12 months; the most recent was 567 days ago. Activity: dormant.

Observed changes

No changes observed yet since Vigia started tracking this package.

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