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scikit-learnEnd of Life (EOL) Dates & Support Status

Active
Libraries & SDKsLatest Version: 1.9.0Latest Release: Jun 2, 2026

scikit-learn is the standard Python machine learning library for classical ML (classification, regression, clustering). Only the latest minor receives fixes; dependency/Python deprecation follows SPEC 0 (~3 years). Latest 1.9 and 1.7-1.8 require Python 3.10+.

Support summary

scikit-learn currently has supported cycles. Track the next EOL date and validate upgrades before your change window.

What do EOL and support statuses mean?

Next EOL

No announced EOL date is currently listed.

Supported cycles

1

0 lts

Versions

9

Latest Version

1.9.0

Active Support

1

EOL

8

Lifecycle Timeline

May 12, 2022As of Sep 27, 2026
1.9Active · Date not announced
1.8EOL · Ended; date not announced
1.7EOL · Ended; date not announced
1.6EOL · Ended; date not announced
1.5EOL · Ended; date not announced
1.4EOL · Ended; date not announced
1.3EOL · Ended; date not announced
1.2EOL · Ended; date not announced
1.1EOL · Ended; date not announced
ActiveSecurityEOLHistorical phase unknown

Bars show history up to the snapshot date. Gray intervals lack dated support boundaries; arrows indicate an unannounced EOL date, not a support guarantee.

Versions

ReleaseRelease DateActive SupportEOLLatest VersionLTSStatus
1.9Jun 2, 2026MaintainedDate not announced1.9.0No
Active
1.8Dec 10, 2025EndedEnded; date not announced1.8.0No
EOL
1.7Jun 5, 2025EndedEnded; date not announced1.7.2No
EOL
1.6Dec 9, 2024EndedEnded; date not announced1.6.1No
EOL
1.5May 21, 2024EndedEnded; date not announced1.5.2No
EOL
1.4Jan 18, 2024EndedEnded; date not announced1.4.2No
EOL
1.3Jun 30, 2023EndedEnded; date not announced1.3.2No
EOL
1.2Dec 8, 2022EndedEnded; date not announced1.2.2No
EOL
1.1May 12, 2022EndedEnded; date not announced1.1.3No
EOL

Data sources

Last verified

Jun 24, 2026

Community-maintained lifecycle data. Verify against official release notes before production migration.

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Frequently Asked Questions

Which versions of scikit-learn have reached end of life?
The following scikit-learn versions have reached end of life and no longer receive security updates: 1.8, 1.7, 1.6, 1.5, 1.4, 1.3, 1.2, 1.1. It is recommended to upgrade to a supported version.
Is it safe to continue using scikit-learn 1.8?
scikit-learn 1.8 has reached end of life and no longer receives security patches or bug fixes. Continuing to use it may expose your systems to known vulnerabilities. We strongly recommend upgrading to a supported version.
What is the latest version of scikit-learn?
The latest version of scikit-learn is 1.9.0, released in the 1.9 release cycle.
How many versions of scikit-learn are currently supported?
scikit-learn currently has 1 actively supported version(s): 1.9.
When does scikit-learn 1.9 reach end of life?
scikit-learn 1.9 does not have a specific end-of-life date announced yet.
What should I do when scikit-learn reaches end of life?
When a scikit-learn version reaches end of life, you should: 1) Plan your migration to a supported version as soon as possible. 2) Review the release notes for breaking changes. 3) Test your applications thoroughly in a staging environment. 4) Update your dependencies to ensure compatibility with the new version.