Neos End of Life (EOL) Dates & Support Timeline
Complete end-of-life dates, support windows, and security status for all Neos versions. Data sourced from endoflife.date and official vendor documentation. Updated at every deploy.
| Version | Latest Release | Release Date | EOL Date | Days | Status |
|---|---|---|---|---|---|
| 7.3 LTS | 7.3.21 | Dec 8, 2021 | Mar 31, 2025 | 473 days past EOL | EOL |
| 8.0 | 8.0.19 | Apr 1, 2022 | Mar 31, 2025 | 473 days past EOL | EOL |
| 8.1 | 8.1.14 | Sep 2, 2022 | Mar 31, 2025 | 473 days past EOL | EOL |
| 8.2 | 8.2.14 | Dec 1, 2022 | Mar 31, 2025 | 473 days past EOL | EOL |
| 8.3 LTS | 8.3.34 | Apr 24, 2023 | Sep 1, 2027 | 411 days remaining | Active |
| 9.0 | 9.0.14 | Apr 3, 2025 | Apr 1, 2028 | 624 days remaining | Active |
| 8.4 LTS | 8.4.6 | Oct 10, 2025 | Sep 1, 2027 | 411 days remaining | Active |
| 9.1 | 9.1.7 | Dec 17, 2025 | Apr 1, 2028 | 624 days remaining | Active |
What does Neos end of life mean for your organization?
When a version of Neos 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 Neos 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 Neos versions. This is a bridge, not a permanent solution — plan your migration in parallel.
Neos has 4 versions past end of life — security patches have stopped, but CVE disclosures haven't. Tell us where to reach you and we'll match you with vetted extended-support providers for your stack. Free, no obligation.