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Bootstrap End of Life (EOL) Dates
About Bootstrap
Bootstrap currently has 4 tracked version lifecycle records, including 1 that remain supported. The latest listed cycle is 5.
Data source: endoflife.date lifecycle dataset
Last updated: July 24, 2026
EOL Date tracks software and hardware end-of-life dates. Product names, logos, and trademarks belong to their respective owners and do not imply endorsement or affiliation.
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Bootstrap Version Support Timeline
Cycle | Release Date | Support Ends | EOL Date | Latest | Source | Status |
|---|---|---|---|---|---|---|
5LTS | 2021-05-05 | - | - | 5.3.8 | - | Active |
4LTS | 2018-01-18 | 2021-11-01 | 2023-01-01 | 4.6.2 | - | End of Life |
3LTS | 2013-08-19 | 2016-09-05 | 2019-07-24 | 3.4.1 | - | End of Life |
2 | 2012-01-31 | 2013-08-19 | 2013-08-19 | 2.3.2 | - | End of Life |
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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.
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Subscribe to Bootstrap EOL alerts to receive email notifications before versions reach end of life.