Contao end of life: end of support by version

Contao Association · Industry software (DACH)

For Contao by Contao Association, patchletter knows 12 support cycles. 9 of them have already ended and receive no more security updates. The next support window closes on 14/02/2027, that is in 126 days. The current version of Contao is 6.0.4. The cycles come from the open endoflife.date project, last reconciled on 30/09/2026.

When does support end for which Contao version?

A cycle is a maintained version line. Where a date is given, support ends on that day — after it the vendor ships no more security updates for that line.

CycleLatest versionEnd of supportStatus
6.06.0.4126 days leftEOL 14 Feb 27
5.7LTS5.7.151222 days leftEOL 14 Feb 30
5.65.6.11239 days agoEnd of Life
5.55.5.16423 days agoEnd of Life
5.45.4.14604 days agoEnd of Life
5.3LTS5.3.52491 days leftEOL 14 Feb 28
5.25.2.10970 days agoEnd of Life
5.15.1.111154 days agoEnd of Life
5.05.0.101335 days agoEnd of Life
4.13LTS4.13.58239 days agoEnd of Life
4.124.12.71731 days agoEnd of Life
4.114.11.91884 days agoEnd of Life

Which Contao versions no longer receive security updates?

9 of 12 cycles have ended. If you run one of those lines, the vendor ships you no more patches — not even for critical flaws.

  • Contao 5.65.6.11
  • Contao 5.55.5.16
  • Contao 5.45.4.14
  • Contao 5.25.2.10
  • Contao 5.15.1.11
  • Contao 5.05.0.10
  • Contao 4.134.13.58
  • Contao 4.124.12.7
  • Contao 4.114.11.9

Where does the EOL data for Contao come from?

From the open endoflife.date project, which collects vendors' official support commitments. patchletter reconciles the cycles daily; the Contao data is as of 30/09/2026. In case of doubt the vendor's own lifecycle page applies — patchletter deliberately stores no vendor full texts.

New Contao versions by email

Tick the product and patchletter reports new releases by email. The update email costs nothing, and one click stops it again. The warning 90, 30 and 7 days before support ends is part of patchletter Pro.