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Bootstrap End of Life (EOL) Dates

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Bootstrap Version Support Timeline

Cycle
Release Date
Support Ends
EOL Date
Latest
Status
5LTS
2021-05-05--5.3.8Active
4LTS
2018-01-182021-11-012023-01-014.6.2End of Life
3LTS
2013-08-192016-09-052019-07-243.4.1End of Life
2
2012-01-312013-08-192013-08-192.3.2End of Life

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Related Resources

What is EOL?

EOL (End of Life) means the product no longer receives official updates, security patches, or technical support.

Why Track EOL?

Using unsupported software can lead to security vulnerabilities, compatibility issues, and compliance risks.

Get Notified

Subscribe to Bootstrap EOL alerts to receive email notifications before versions reach end of life.