Vigia

Bootstrap 3 end of life (EOL) date and support status

End of life End of life since 2019-07-24 (2633 days ago)

Upgrade: Bootstrap 3 no longer receives fixes. Supported cycles: 5.

ProductBootstrap
Version cycle3
StatusEnd of life
Released2013-08-19
LTSsince 2014-11-01
Active support until2016-09-05
End of life2019-07-24
Latest version3.4.1 (2019-02-13)
Last verified2026-10-08

All Bootstrap versions → · Source: endoflife.date

Frequently asked questions

Is Bootstrap 3 end of life?

Yes. End of life since 2019-07-24 (2633 days ago). It no longer receives security or bug fixes.

When does Bootstrap 3 reach end of life?

Bootstrap 3 reached end of life on 2019-07-24.

When was Bootstrap 3 released?

Bootstrap 3 was first released on 2013-08-19.

What is the latest Bootstrap 3 version?

The latest 3 release is 3.4.1, published on 2019-02-13.

Is Bootstrap 3 an LTS release?

Yes, long-term support started on 2014-11-01.

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/bootstrap/3