Bootstrap end-of-life dates and support status
As of 2026-10-08, the supported Bootstrap versions are 5.
| Version | Status | Released | Active support until | End of life | Latest |
|---|---|---|---|---|---|
| 5 LTS | Supported | 2021-05-05 | — | — | 5.3.8 |
| 4 LTS | End of life | 2018-01-18 | 2021-11-01 | 2023-01-01 | 4.6.2 |
| 3 LTS | End of life | 2013-08-19 | 2016-09-05 | 2019-07-24 | 3.4.1 |
| 2 | End of life | 2012-01-31 | 2013-08-19 | 2013-08-19 | 2.3.2 |
Status is computed from today's date. "Security fixes only" means active support has ended but security fixes continue until end of life. Source: endoflife.date · release policy. Verified 2026-10-08.
Frequently asked questions
Which Bootstrap versions are still supported?
As of 2026-10-08, the supported Bootstrap versions are 5. Versions not listed are end of life and no longer receive security fixes.
What is the latest Bootstrap version?
The newest Bootstrap release cycle is 5, whose latest version is 5.3.8 (2025-08-25).
Which Bootstrap versions are LTS?
Long-term support versions still receiving fixes: 5.
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