Bootstrap end-of-life: support & EOL dates for every release
Bootstrap · Web / UI · 0 supported · 3 end-of-life · updated June 2026 · what is end-of-life? →
Every tracked Bootstrap release line in our data has reached end-of-life — they no longer receive security updates. Check with the vendor for any newer release line.
Bootstrap support timeline
Each release line and the date it reaches end-of-life — newest first.
| Release | Latest version | End-of-life | Status |
|---|---|---|---|
| Bootstrap 4 | 4.6.2 | 1 Jan 2023 | End of life |
| Bootstrap 3 | 3.4.1 | 24 Jul 2019 | End of life |
| Bootstrap 2 | 2.3.2 | 19 Aug 2013 | End of life |
Which Bootstrap version should I run?
The safest choice is the latest supported release, 5.3.8. If you're on an end-of-life line, plan an upgrade to a supported one before security updates stop. See Bootstrap's full security status →
Get warned before Bootstrap reaches end-of-life
End-of-life dates are easy to miss until it's too late. Monitor Bootstrap on IsItPatched and we'll email you before the release line you run stops getting security updates — free, no account needed to start.
Bootstrap end-of-life — frequently asked
What Bootstrap versions are still supported?
Every tracked Bootstrap release line in our data has reached end-of-life. Check the vendor for any newer line.
Is Bootstrap end-of-life?
All tracked Bootstrap release lines have reached end-of-life in our data.
How do I know when my Bootstrap version reaches end of life?
Check the version you run on its product page, or monitor Bootstrap on IsItPatched to get an email alert before the release line you use reaches end-of-life — so you can upgrade in time.
EOL dates aggregated from endoflife.date and vendor sources, and can change — always confirm with Bootstrap. See related: Bootstrap security status · full EOL calendar · what is end-of-life software? · disclaimer.