PyPI · pypi:isal

isal active

Faster zlib and gzip compatible compression and decompression by providing python bindings for the ISA-L ibrary.

The latest stable version of isal is 1.9.1, published on 2026-11-03. Verified by Vigia on 2026-11-13.

Latest stable version	1.9.1
Published	2026-11-03 16:14:09 UTC
Install	`pip install --upgrade isal`
Requires	`python >=3.9`
License	PSF-2.0
Advisories on latest version	none known
Last verified	2026-11-13 16:28:21 UTC
Sources	pypi.org

Maintenance

Activity	active
Last stable release	2026-11-03 16:14:09 UTC · 10 days ago
Stable releases in the last 12 months	2
Published versions	33

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

Version history

Version	Published
`1.9.1`	2026-11-03 16:14:09 UTC
`1.9.0`	2026-11-02 14:01:49 UTC
`1.8.0`	2025-09-10 08:43:17 UTC
`1.7.2`	2025-03-05 12:08:46 UTC
`1.7.1`	2024-09-25 08:01:42 UTC
`1.7.0`	2024-08-09 12:39:27 UTC
`1.6.1`	2024-03-11 12:54:16 UTC
`1.6.0`	2024-02-19 09:10:31 UTC
`1.5.3`	2023-11-24 08:43:52 UTC
`1.5.2`	2023-11-03 15:58:40 UTC
`1.5.1`	2023-10-23 09:25:18 UTC
`1.5.0` withdrawn	2023-10-12 05:43:54 UTC
`1.4.1` withdrawn	2023-10-09 06:51:47 UTC
`1.4.0` withdrawn	2023-10-07 18:25:56 UTC
`1.3.0`	2023-09-20 10:19:09 UTC
`1.2.0`	2023-07-21 12:29:04 UTC
`1.1.0`	2022-10-12 13:33:00 UTC
`1.0.1`	2022-08-03 09:46:10 UTC
`1.0.0`	2022-08-01 09:57:32 UTC
`0.11.1`	2021-08-29 08:10:19 UTC

Showing the 20 most recent of 33 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`	`1.7.2`
`python 3.9`	`1.9.1`
`python 3.10`	`1.9.1`
`python 3.11`	`1.9.1`
`python 3.12`	`1.9.1`
`python 3.13`	`1.9.1`

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Frequently asked questions

What is the latest version of isal?

The latest stable version of isal is 1.9.1, published on 2026-11-03. Verified by Vigia on 2026-11-13.

How do I install the latest version of isal?

Run pip install --upgrade isal. The latest stable version is 1.9.1 (verified 2026-11-13).

Is isal deprecated?

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

Which Python version does isal require?

isal 1.9.1 declares this requirement: python >=3.9.

Does isal 1.9.1 have known vulnerabilities?

No known advisories affect isal 1.9.1 according to the data Vigia checks.

Is isal still maintained?

isal published 2 stable releases in the last 12 months; the most recent was 10 days ago. Activity: active.

Observed changes

ue Nov 03 2026 16:16:30 GMT+0000 (Coordinated Universal Time) — released 1.9.0 → 1.9.1
Mon Nov 02 2026 14:04:26 GM +0000 (Coordinated Universal Time) — released 1.8.0 → 1.9.0

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