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Svelte
Active
Frameworks Latest Version: 5.51.2 Latest Release: Feb 15, 2026
Svelte is a modern JavaScript framework that compiles components to highly efficient vanilla JavaScript at build time.
Versions
5
Latest Version
5.51.2
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 | Oct 19, 2024 | Yes | No | 5.51.2 | No | Active |
| 4 | Jun 22, 2023 | Oct 19, 2024 | Oct 19, 2024 | 4.2.20 | No | EOL |
| 3 | Apr 21, 2019 | Jun 22, 2023 | Jun 22, 2023 | 3.59.2 | No | EOL |
| 2 | Apr 19, 2018 | Apr 21, 2019 | Apr 21, 2019 | 2.16.1 | No | EOL |
| 1 | Nov 29, 2016 | Apr 19, 2018 | Apr 19, 2018 | 1.64.1 | No | EOL |
Frequently Asked Questions
Which versions of Svelte have reached end of life?
The following Svelte 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 Svelte 4?
Svelte 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 Svelte?
The latest version of Svelte is 5.51.2, released in the 5 release cycle.
How many versions of Svelte are currently supported?
Svelte currently has 1 actively supported version(s): 5.
When does Svelte 5 reach end of life?
Svelte 5 does not have a specific end-of-life date announced yet.
What should I do when Svelte reaches end of life?
When a Svelte 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.