Contao 5.3 End of Life
Support dates and upgrade guidance — rebuilt from live data.
Supported
Contao 5.3 is actively supported. It reaches end of life on 14 Feb 2028.
554 days of security support left
5.3.49 latest release
62% of this branch's supported lifetime has elapsed — 16 Feb 2024 → 14 Feb 2028.
Support timeline
Official dates from the Contao release process.
| Milestone | Date | Status |
|---|---|---|
| Initial release | 16 Feb 2024 | — |
| End of life (scheduled) | 14 Feb 2028 | in 554 days |
| Active support ended | 14 Feb 2027 | security fixes only after this |
| Latest release | 5.3.49 · 6 Aug 2026 | current |
How much runway a newer branch buys
Moving to Contao 5.7 extends security support by about 731 days.
| Branch | End of life | Days left | vs 5.3 |
|---|---|---|---|
| Contao 5.7 | 14 Feb 2030 | 1,285 | +731 days |
| Contao 5.3 | 14 Feb 2028 | 554 | this branch |
Frequently asked questions
When does Contao 5.3 reach end of life?
Contao 5.3 reaches end of life on 14 Feb 2028 — 554 days from now. After that date it receives no security fixes.
Is Contao 5.3 still supported?
Yes. Contao 5.3 is currently maintained. Latest release: 5.3.49, published 6 Aug 2026.
What happens when Contao 5.3 reaches end of life?
Security fixes stop. After 14 Feb 2028 this branch receives no further updates under standard support.
How long do I have to upgrade from Contao 5.3?
554 days. Moving to Contao 5.7 instead buys roughly 731 more days of security support.