Ember 6.6 End of Life
Support dates and upgrade guidance — rebuilt from live data.
End of Life
Ember 6.6 reached end of life on 3 Sept 2025. It no longer receives security fixes.
340 days without security patches
Recommended action: upgrade to Ember 7.0. Support timeline
Official dates from the Ember release process.
| Milestone | Date | Status |
|---|---|---|
| Initial release | 21 Jul 2025 | — |
| End of life | 3 Sept 2025 | 0.9 years ago |
| Latest release | 6.6.0 · 21 Jul 2025 | final |
Where to go from 6.6
Recommended target: Ember 7.0.
The newest actively supported branch is Ember 7.0 (latest release 7.0.0).
Frequently asked questions
Is Ember 6.6 still safe to use?
Ember 6.6 reached end of life on 3 Sept 2025, 340 days ago, and is no longer covered by standard support. Running it means no guaranteed security fixes.
Can I still download Ember 6.6?
Yes — the final release (6.6.0) generally remains available from vendor archives and OS package mirrors, but installing it means running software with known, unpatched vulnerabilities.
What should I upgrade Ember 6.6 to?
Upgrade to Ember 7.0, the newest actively supported branch.
All Ember versions
7.0 supported 6.12 supported 6.11 EOL 2026 6.10 EOL 2026 6.9 EOL 2026 6.8 supported 6.7 EOL 2025 6.6 EOL 2025 6.5 EOL 2025 6.4 EOL 2026 6.3 EOL 2025 6.2 EOL 2025 6.1 EOL 2025 6.0 EOL 2024 5.12 EOL 2025 5.11 EOL 2024 5.10 EOL 2024 5.9 EOL 2024 5.8 EOL 2025 5.7 EOL 2024 5.6 EOL 2024 5.5 EOL 2024 5.4 EOL 2024 5.3 EOL 2024 5.2 EOL 2023 5.1 EOL 2023 5.0 EOL 2023 4.12 EOL 2024 4.8 EOL 2023 4.4 EOL 2023 3.28 EOL 2023 3.24 EOL 2022 3.20 EOL 2021 3.16 EOL 2021 3.12 EOL 2020 3.8 EOL 2020 3.4 EOL 2019 2.18 EOL 2019 2.16 EOL 2018 2.12 EOL 2018 2.8 EOL 2017 2.4 EOL 2017