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ONNX RuntimeEnd of Life (EOL) Dates & Support Status

Active
Libraries & SDKsLatest Version: 1.29.0Latest Release: Aug 12, 2026

ONNX Runtime is Microsoft's cross-platform inference and training accelerator for ONNX models. Only the latest minor is actively serviced. Latest 1.26 provides wheels for Python 3.11-3.14; since 1.20 the minimum Python is 3.10. onnxruntime-gpu defaults to CUDA 12.x (since 1.19).

Support summary

ONNX Runtime 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

2

0 lts

Versions

11

Latest Version

1.29.0

Active Support

2

EOL

9

Lifecycle Timeline

May 20, 2024As of Sep 27, 2026
1.29Active · Date not announced
1.26Active · Date not announced
1.25EOL · Ended; date not announced
1.24EOL · Ended; date not announced
1.23EOL · Ended; date not announced
1.22EOL · Ended; date not announced
1.21EOL · Ended; date not announced
1.20EOL · Ended; date not announced
1.19EOL · Ended; date not announced
1.18EOL · 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
1.29Aug 12, 2026MaintainedDate not announced1.29.0No
Active
1.26May 8, 2026MaintainedDate not announced1.26.0No
Active
1.25Apr 22, 2026EndedEnded; date not announced1.25.1No
EOL
1.24Feb 5, 2026EndedEnded; date not announced1.24.4No
EOL
1.23Sep 25, 2025EndedEnded; date not announced1.23.2No
EOL
1.22May 9, 2025EndedEnded; date not announced1.22.2No
EOL
1.21Mar 8, 2025EndedEnded; date not announced1.21.1No
EOL
1.20Nov 1, 2024EndedEnded; date not announced1.20.2No
EOL
1.19Aug 19, 2024EndedEnded; date not announced1.19.2No
EOL
1.18May 20, 2024EndedEnded; date not announced1.18.1No
EOL
1.17Jan 31, 2024EndedEnded; date not announced1.17.3No
EOL

Data sources

Last verified

Aug 21, 2026

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

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Frequently Asked Questions

Which versions of ONNX Runtime have reached end of life?
The following ONNX Runtime versions have reached end of life and no longer receive security updates: 1.25, 1.24, 1.23, 1.22, 1.21, 1.20, 1.19, 1.18 (and 1 more). It is recommended to upgrade to a supported version.
Is it safe to continue using ONNX Runtime 1.25?
ONNX Runtime 1.25 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 ONNX Runtime?
The latest version of ONNX Runtime is 1.29.0, released in the 1.29 release cycle.
How many versions of ONNX Runtime are currently supported?
ONNX Runtime currently has 2 actively supported version(s): 1.29, 1.26.
When does ONNX Runtime 1.29 reach end of life?
ONNX Runtime 1.29 does not have a specific end-of-life date announced yet.
What should I do when ONNX Runtime reaches end of life?
When a ONNX Runtime 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.