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Bun
Active
Runtimes & JDKs Latest Version: 1.3.9 Latest Release: Feb 6, 2026
Bun is an all-in-one JavaScript runtime, bundler, transpiler, and package manager focused on speed.
Versions
1
Latest Version
1.3.9
Active Support
1
EOL
0
Lifecycle Timeline
Today ↓
1
1
Active SupportSecurity SupportEOL
Versions
| Release | Release Date | Active Support | EOL | Latest Version | LTS | Status |
|---|---|---|---|---|---|---|
| 1 | Sep 7, 2023 | - | No | 1.3.9 | No | Active |
Frequently Asked Questions
Is it safe to continue using Bun 1?
Bun 1 is currently supported and receiving updates. You can continue using it safely until its end-of-life date.
What is the latest version of Bun?
The latest version of Bun is 1.3.9, released in the 1 release cycle.
How many versions of Bun are currently supported?
Bun currently has 1 actively supported version(s): 1.
When does Bun 1 reach end of life?
Bun 1 does not have a specific end-of-life date announced yet.
What should I do when Bun reaches end of life?
When a Bun 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.