Vigia

Firefox 105 end of life (EOL) date and support status

End of life End of life since 2022-10-18 (1451 days ago)

Upgrade: Firefox 105 no longer receives fixes. Supported cycles: 157, 153, 115.

ProductFirefox
Version cycle105
StatusEnd of life
Released2022-09-20
Active support until—
End of life2022-10-18
Latest version105.0.3 (2022-10-07)
Last verified2026-10-08

All Firefox versions → · Source: endoflife.date

Frequently asked questions

Is Firefox 105 end of life?

Yes. End of life since 2022-10-18 (1451 days ago). It no longer receives security or bug fixes.

When does Firefox 105 reach end of life?

Firefox 105 reached end of life on 2022-10-18.

When was Firefox 105 released?

Firefox 105 was first released on 2022-09-20.

What is the latest Firefox 105 version?

The latest 105 release is 105.0.3, published on 2022-10-07.

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/firefox/105