Deno Support Lifecycle & End-of-Life Schedule
Official release schedule, active LTS windows, and deprecation dates for Deno. Avoid running unsupported versions in production.
Deno Lifecycle Policy Summary
Next-generation JavaScript and TypeScript runtime with web standards and zero configuration.
Branch Support Matrix & EOL Cutoffs
| Branch / Cycle | Status | Release Date | End of Life (EOL) | Latest Patch | Upgrade Recommendation |
|---|---|---|---|---|---|
| v2.x LTS | 🟢 Active Support | 2024-10-09 | 2027-10-09 | 2.2.1 | ✓ Supported for production |
| v1.x | 🔴 End of Life (EOL) | 2020-05-13 | 2025-01-01 | 1.46.3 | ⚠️ Upgrade to v2.x |
Why Upgrading from EOL Versions is Critical
Once an open-source branch reaches End-of-Life, upstream maintainers no longer backport patches for Common Vulnerabilities and Exposures (CVEs). Automated botnets routinely scan for publicly known exploits on unsupported runtime versions.