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Fastify
Active
Frameworks Latest Version: 5.8.5 Latest Release: Apr 14, 2026
Fastify is a fast and low-overhead web framework for Node.js with a powerful plugin architecture.
Versions
5
Latest Version
5.8.5
Active Support
1
EOL
4
Lifecycle Timeline
Today ↓
5
5
4
4
3
3
2
2
1
1
Active SupportSecurity SupportEOL
Versions
| Release | Release Date | Active Support | EOL | Latest Version | LTS | Status |
|---|---|---|---|---|---|---|
| 5 | Sep 17, 2024 | Yes | No | 5.8.5 | No | Active |
| 4 | Jun 8, 2022 | Sep 17, 2024 | Jun 30, 2025 | 4.29.1 | No | EOL |
| 3 | Jul 8, 2020 | Jun 8, 2022 | Jun 30, 2023 | 3.29.5 | No | EOL |
| 2 | Feb 25, 2019 | Jul 8, 2020 | Jan 31, 2021 | 2.15.3 | No | EOL |
| 1 | Mar 6, 2018 | Feb 25, 2019 | Sep 1, 2019 | 1.14.6 | No | EOL |
Frequently Asked Questions
Which versions of Fastify have reached end of life?
The following Fastify versions have reached end of life and no longer receive security updates: 4, 3, 2, 1. It is recommended to upgrade to a supported version.
Is it safe to continue using Fastify 4?
Fastify 4 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 Fastify?
The latest version of Fastify is 5.8.5, released in the 5 release cycle.
How many versions of Fastify are currently supported?
Fastify currently has 1 actively supported version(s): 5.
When does Fastify 5 reach end of life?
Fastify 5 does not have a specific end-of-life date announced yet.
What should I do when Fastify reaches end of life?
When a Fastify 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.