PyPI · pypi:trio

trio active

A friendly Python library for async concurrency and I/O

The latest stable version of trio is 0.35.0, published on 2026-10-31. Verified by Vigia on 2026-11-13.

Latest stable version	0.35.0
Published	2026-10-31 23:36:53 UTC
Install	`pip install --upgrade trio`
Requires	`python >=3.10`
License	MIT OR Apache-2.0
Advisories on latest version	none known
Last verified	2026-11-13 18:45:21 UTC
Sources	pypi.org

Maintenance

Activity	active
Last stable release	2026-10-31 23:36:53 UTC · 12 days ago
Stable releases in the last 12 months	3
Published versions	45

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

Version history

Version	Published
`0.35.0`	2026-10-31 23:36:53 UTC
`0.34.0`	2026-08-11 00:33:40 UTC
`0.33.0`	2026-02-14 18:40:53 UTC
`0.32.0`	2025-10-31 07:18:15 UTC
`0.31.0`	2025-09-09 15:17:13 UTC
`0.30.0`	2025-04-21 00:48:17 UTC
`0.29.0`	2025-02-14 07:13:48 UTC
`0.28.0`	2024-12-25 17:00:57 UTC
`0.27.0`	2024-10-16 23:29:21 UTC
`0.26.2`	2024-08-08 00:47:08 UTC
`0.26.1`	2024-08-05 01:06:10 UTC
`0.26.0`	2024-07-05 04:27:11 UTC
`0.25.1`	2024-05-16 06:31:34 UTC
`0.25.0`	2024-03-17 02:53:45 UTC
`0.24.0`	2024-01-10 03:29:20 UTC
`0.23.2`	2023-12-14 04:18:58 UTC
`0.23.1`	2023-11-04 05:58:24 UTC
`0.23.0`	2023-11-03 05:22:41 UTC
`0.22.2`	2023-07-12 23:09:15 UTC
`0.22.1`	2023-07-02 02:51:03 UTC

Showing the 20 most recent of 45 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`	`0.27.0`
`python 3.9`	`0.31.0`
`python 3.10`	`0.35.0`
`python 3.11`	`0.35.0`
`python 3.12`	`0.35.0`
`python 3.13`	`0.35.0`

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Frequently asked questions

What is the latest version of trio?

The latest stable version of trio is 0.35.0, published on 2026-10-31. Verified by Vigia on 2026-11-13.

How do I install the latest version of trio?

Run pip install --upgrade trio. The latest stable version is 0.35.0 (verified 2026-11-13).

Is trio deprecated?

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

Which Python version does trio require?

trio 0.35.0 declares this requirement: python >=3.10.

Does trio 0.35.0 have known vulnerabilities?

No known advisories affect trio 0.35.0 according to the data Vigia checks.

Is trio still maintained?

trio published 3 stable releases in the last 12 months; the most recent was 12 days ago. Activity: active.

Observed changes

Sat Oct 31 2026 23:38:54 GM +0000 (Coordinated Universal Time) — released 0.34.0 → 0.35.0

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