PyPI · pypi:iapws

iapws active

Python implementation of standards from The InternationalAssociation for the Properties of Water and Steam

The latest stable version of iapws is 1.5.5, published on 2026-03-27. Verified by Vigia on 2026-11-13.

Latest stable version	1.5.5
Published	2026-03-27 20:24:33 UTC
Install	`pip install --upgrade iapws`
Requires	`python !=3.0.,!=3.1.,!=3.2.,!=3.3.,>=2.7`
License	gpl v3
Advisories on latest version	none known
Last verified	2026-11-13 09:46:20 UTC
Sources	pypi.org

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Maintenance

Activity	slowing down
Last stable release	2026-03-27 20:24:33 UTC · 230 days ago
Stable releases in the last 12 months	1
Published versions	20

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

Version history

Version	Published
`1.5.5`	2026-03-27 20:24:33 UTC
`1.5.4`	2024-05-02 20:52:10 UTC
`1.5.3`	2022-09-28 16:14:04 UTC
`1.5.2`	2020-06-19 19:36:45 UTC
`1.5.1`	2020-06-19 18:52:07 UTC
`1.5`	2020-06-18 21:15:03 UTC
`1.4.1`	2020-04-22 09:19:23 UTC
`1.4`	2019-04-28 11:27:58 UTC
`1.3`	2018-04-02 18:43:14 UTC
`1.2`	2017-04-15 19:35:19 UTC
`1.1.3`	2016-11-02 17:35:28 UTC
`1.1.2`	2016-03-07 17:47:36 UTC
`1.1.1`	2014-11-14 10:52:09 UTC
`1.1`	2014-10-16 21:05:21 UTC
`1.0.5`	2014-10-06 14:16:43 UTC
`1.0.4`	2014-08-26 15:31:55 UTC
`1.0.3`	2014-02-15 18:51:36 UTC
`1.0.2`	2013-02-15 00:01:07 UTC
`1.0.1`	2013-02-14 12:56:44 UTC
`1.0.0`	2011-07-31 21:10:28 UTC

Showing the 20 most recent of 20 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`	`1.5.5`
`python 3.9`	`1.5.5`
`python 3.10`	`1.5.5`
`python 3.11`	`1.5.5`
`python 3.12`	`1.5.5`
`python 3.13`	`1.5.5`

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Frequently asked questions

What is the latest version of iapws?

The latest stable version of iapws is 1.5.5, published on 2026-03-27. Verified by Vigia on 2026-11-13.

How do I install the latest version of iapws?

Run pip install --upgrade iapws. The latest stable version is 1.5.5 (verified 2026-11-13).

Is iapws deprecated?

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

Which Python version does iapws require?

iapws 1.5.5 declares this requirement: python !=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*,>=2.7.

Does iapws 1.5.5 have known vulnerabilities?

No known advisories affect iapws 1.5.5 according to the data Vigia checks.

Is iapws still maintained?

iapws published 1 stable releases in the last 12 months; the most recent was 230 days ago. Activity: slowing down.

Observed changes

No changes observed yet since Vigia started tracking this package.

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