Vigia

Envoy 1.21 end of life (EOL) date and support status

End of life End of life since 2023-01-12 (1365 days ago)

Upgrade: Envoy 1.21 no longer receives fixes. Supported cycles: 1.39, 1.38, 1.37, 1.36.

ProductEnvoy
Version cycle1.21
StatusEnd of life
Released2022-01-12
Active support until—
End of life2023-01-12
Latest version1.21.6 (2022-11-28)
Last verified2026-10-08

All Envoy versions → · Source: endoflife.date

Frequently asked questions

Is Envoy 1.21 end of life?

Yes. End of life since 2023-01-12 (1365 days ago). It no longer receives security or bug fixes.

When does Envoy 1.21 reach end of life?

Envoy 1.21 reached end of life on 2023-01-12.

When was Envoy 1.21 released?

Envoy 1.21 was first released on 2022-01-12.

What is the latest Envoy 1.21 version?

The latest 1.21 release is 1.21.6, published on 2022-11-28.

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/envoy/1.21