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Svelte
Active
FrameworksLatest Version: 5.56.4Latest Release: Jun 23, 2026
Svelte is a modern JavaScript framework that compiles components to highly efficient vanilla JavaScript at build time.
Support summary
Svelte currently has supported cycles. Track the next EOL date and validate upgrades before your change window.
What do EOL and support statuses mean?Next EOL
No announced EOL date is currently listed.
Supported cycles
1
0 lts
Versions
5
Latest Version
5.56.4
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 | 5.56.4 | 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 |
Data sources
Sources
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 5.56.4, 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.