Vigia

Rust 1.66 end of life (EOL) date and support status

End of life End of life since 2023-01-27 (1350 days ago)

Upgrade: Rust 1.66 no longer receives fixes. Supported cycles: 1.99.

ProductRust
Version cycle1.66
StatusEnd of life
Released2022-12-15
Active support until—
End of life2023-01-27
Latest version1.66.1 (2023-01-10)
Last verified2026-10-08

All Rust versions → · Source: endoflife.date

Frequently asked questions

Is Rust 1.66 end of life?

Yes. End of life since 2023-01-27 (1350 days ago). It no longer receives security or bug fixes.

When does Rust 1.66 reach end of life?

Rust 1.66 reached end of life on 2023-01-27.

When was Rust 1.66 released?

Rust 1.66 was first released on 2022-12-15.

What is the latest Rust 1.66 version?

The latest 1.66 release is 1.66.1, published on 2023-01-10.

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/rust/1.66