Tailwind CSS Support Lifecycle & End-of-Life Schedule
Official release schedule, active LTS windows, and deprecation dates for Tailwind CSS. Avoid running unsupported versions in production.
Tailwind CSS Lifecycle Policy Summary
Utility-first CSS framework. Tailwind v4 introduced a ground-up Rust rewrite with native CSS features.
Branch Support Matrix & EOL Cutoffs
| Branch / Cycle | Status | Release Date | End of Life (EOL) | Latest Patch | Upgrade Recommendation |
|---|---|---|---|---|---|
| v4.x LTS | 🟢 Active Support | 2025-01-22 | 2028-01-01 | 4.0.7 | ✓ Supported for production |
| v3.x | 🟡 Maintenance Only | 2021-12-09 | 2026-06-30 | 3.4.17 | Plan upgrade to v4.x |
| v2.x | 🔴 End of Life (EOL) | 2020-11-18 | 2023-12-31 | 2.2.19 | ⚠️ Upgrade to v4.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.