Vigia

Umbraco CMS end-of-life dates and support status

As of 2026-10-08, the supported Umbraco CMS versions are 18, 17, 13.

VersionStatusReleasedActive support untilEnd of lifeLatest
18Supported2026-06-252027-03-252027-06-2518.2.1
17 LTSSupported2025-11-272027-11-272028-11-2717.7.1
16End of life2025-06-122026-03-122026-06-1216.5.1
15End of life2024-11-142025-08-142025-11-1415.4.4
14End of life2024-05-302025-03-022025-05-3014.3.4
13 LTSSecurity fixes only2023-12-142025-12-142026-12-1413.16.2
12End of life2023-06-292024-03-292024-06-2912.3.10
11End of life2022-12-012023-09-012023-12-0111.5.0
10 LTSEnd of life2022-06-162024-06-162025-06-1610.8.11
9End of life2021-09-292022-09-162022-12-169.5.4
8 LTSEnd of life2019-02-262024-02-242025-02-248.18.15
7 LTSEnd of life2013-11-212021-07-312023-09-307.15.11
6End of life2013-03-272018-05-012018-05-016.2.6

Status is computed from today's date. "Security fixes only" means active support has ended but security fixes continue until end of life. Source: endoflife.date · release policy. Verified 2026-10-08.

Frequently asked questions

Which Umbraco CMS versions are still supported?

As of 2026-10-08, the supported Umbraco CMS versions are 18, 17, 13. Versions not listed are end of life and no longer receive security fixes.

What is the latest Umbraco CMS version?

The newest Umbraco CMS release cycle is 18, whose latest version is 18.2.1 (2026-10-06).

Which Umbraco CMS versions are LTS?

Long-term support versions still receiving fixes: 17, 13.

Give your AI agent these facts

Vigia is a free MCP server: your coding agent checks versions, breaking changes and vulnerabilities before it writes code. No signup, no API key.

claude mcp add --transport http vigia https://vigia.coredls.cloud/mcp

Add to CursorAdd to VS Code★ Star on GitHub

Any other MCP client
{ "mcpServers": { "vigia": { "url": "https://vigia.coredls.cloud/mcp" } } }

Agent skill (SKILL.md): tells the agent when to use Vigia · GitHub Action for pull requests

For agents

GET https://vigia.coredls.cloud/v1/eol/umbraco
GET https://vigia.coredls.cloud/v1/eol/umbraco/18