Bootstrap end-of-life dates

Bootstrap 5 has no announced end-of-life date.

CycleReleasedActive support endsEnd of lifeLatestLTS
52021-05-055.3.8yes
42018-01-182021-11-012023-01-014.6.2yes
32013-08-192016-09-052019-07-243.4.1yes
22012-01-312013-08-192013-08-192.3.2

Facts

Source
endoflife.date (checked 2026-09-09)

Release cycles

Bootstrap has 4 tracked release cycles.

3 cycles have reached end of life.

3 cycles are long-term support releases.

Keelbench tracks end-of-life dates for 469 products, updated daily. Check your repositories against these dates with Deps.