Tailwind CSS 3.4 End of Life
Support dates and upgrade guidance — rebuilt from live data.
Supported
Tailwind CSS 3.4 is actively supported. It reaches end of life on 28 Feb 2027.
203 days of security support left
3.4.19 latest release
83% of this branch's supported lifetime has elapsed — 18 Dec 2023 → 28 Feb 2027.
Support timeline
Official dates from the Tailwind CSS release process.
| Milestone | Date | Status |
|---|---|---|
| Initial release | 18 Dec 2023 | — |
| End of life (scheduled) | 28 Feb 2027 | in 203 days |
| Latest release | 3.4.19 · 10 Dec 2025 | current |
How much runway a newer branch buys
Tailwind CSS 3.4 is the newest branch — this is the longest runway currently available.
| Branch | End of life | Days left | vs 3.4 |
|---|---|---|---|
| Tailwind CSS 3.4 | 28 Feb 2027 | 203 | this branch |
Frequently asked questions
When does Tailwind CSS 3.4 reach end of life?
Tailwind CSS 3.4 reaches end of life on 28 Feb 2027 — 203 days from now. After that date it receives no security fixes.
Is Tailwind CSS 3.4 still supported?
Yes. Tailwind CSS 3.4 is currently maintained. Latest release: 3.4.19, published 10 Dec 2025.
What happens when Tailwind CSS 3.4 reaches end of life?
Security fixes stop. After 28 Feb 2027 this branch receives no further updates under standard support.
How long do I have to upgrade from Tailwind CSS 3.4?
203 days. This is already the newest branch, so this is the longest runway currently available.