Longhorn End of Life (EOL) Dates & Support Timeline
Complete end-of-life dates, support windows, and security status for all Longhorn versions. Data sourced from endoflife.date and official vendor documentation. Updated at every deploy.
| Version | Latest Release | Release Date | EOL Date | Days | Status |
|---|---|---|---|---|---|
| 1.1 | 1.1.3 | Dec 18, 2020 | Apr 23, 2022 | 1522 days past EOL | EOL |
| 1.2 | 1.2.6 | Aug 31, 2021 | Oct 6, 2022 | 1356 days past EOL | EOL |
| 1.3 | 1.3.3 | Jun 15, 2022 | Aug 11, 2023 | 1047 days past EOL | EOL |
| 1.4 | 1.4.4 | Dec 30, 2022 | Mar 13, 2024 | 832 days past EOL | EOL |
| 1.5 | 1.5.5 | Jul 7, 2023 | Jul 19, 2024 | 704 days past EOL | EOL |
| 1.6 | 1.6.4 | Feb 1, 2024 | Mar 29, 2025 | 451 days past EOL | EOL |
| 1.7 | 1.7.3 | Aug 20, 2024 | Sep 4, 2025 | 292 days past EOL | EOL |
| 1.8 | 1.8.2 | Jan 22, 2025 | Jul 22, 2026 | 29 days remaining | Warning |
| 1.9 | 1.9.2 | May 27, 2025 | Nov 27, 2026 | 157 days remaining | Warning |
| 1.10 | 1.10.2 | Sep 25, 2025 | Mar 25, 2027 | 275 days remaining | Active |
| 1.11 | 1.11.2 | Jan 29, 2026 | Jul 29, 2027 | 401 days remaining | Active |
| 1.12 | 1.12.0 | Jun 2, 2026 | Dec 2, 2027 | 527 days remaining | Active |
What does Longhorn end of life mean for your organization?
When a version of Longhorn reaches end of life, the maintainers stop issuing security patches. Vulnerabilities discovered after this date are publicly disclosed on the National Vulnerability Database, exploit code appears on GitHub, and your systems remain permanently exposed.
The CVE blind spot: Most vulnerability scanners check for known CVEs but do not flag the accumulation of unpatched vulnerabilities in EOL software. With a zero-day, nobody knows about the vulnerability. With EOL software, the vulnerability is public — listed, rated, and often weaponized — but no patch will ever exist. This is the most dangerous gap in enterprise security posture.
Organizations running EOL Longhorn should treat it as a vulnerability class in their risk register, apply compensating controls (network segmentation, enhanced monitoring, access restriction), and prioritize migration to a supported version.
Extended Support Options
If you cannot migrate immediately, extended support vendors provide continued security patches for EOL Longhorn versions. This is a bridge, not a permanent solution — plan your migration in parallel.
We work with vetted extended support vendors. Tell us what you need and we'll connect you with the right provider.
Contact Us →