end-of-life.org

Bootstrap End of Life Dates

All 4 Bootstrap release branches: support windows, latest releases, and what each EOL branch has missed since. Data refreshed daily.

Support lifecycle at a glance

2013 2015 2017 2019 2021 2023 2025 2027 5 4 EOL 3 EOL 2 EOL today

■ supported   ■ security fixes only   ■ end of life

All versions

Release dates, end-of-life dates and current support status for every Bootstrap branch.

BranchReleasedEnd of lifeStatusLatest
5 5 May 2021 — supported 5.3.8
4 18 Jan 2018 1 Jan 2023 EOL 4.6.2
3 19 Aug 2013 24 Jul 2019 EOL 3.4.1
2 31 Jan 2012 19 Aug 2013 EOL 2.3.2