Vigia

Umbraco CMS 16 end of life (EOL) date and support status

End of life End of life since 2026-06-12 (118 days ago)

Upgrade: Umbraco CMS 16 no longer receives fixes. Supported cycles: 18, 17, 13.

ProductUmbraco CMS
Version cycle16
StatusEnd of life
Released2025-06-12
Active support until2026-03-12
End of life2026-06-12
Latest version16.5.1 (2026-03-10)
Last verified2026-10-08

All Umbraco CMS versions → · Source: endoflife.date

Frequently asked questions

Is Umbraco CMS 16 end of life?

Yes. End of life since 2026-06-12 (118 days ago). It no longer receives security or bug fixes.

When does Umbraco CMS 16 reach end of life?

Umbraco CMS 16 reached end of life on 2026-06-12.

When was Umbraco CMS 16 released?

Umbraco CMS 16 was first released on 2025-06-12.

What is the latest Umbraco CMS 16 version?

The latest 16 release is 16.5.1, published on 2026-03-10.

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/16