Bootstrap 4
Bootstrap 4 reached end of life 3 years ago.
Supported now: Bootstrap 5 (no announced date)
Facts
- Released
- (8 years ago)
- Active support ended
- (4 years ago)
- Security support ended
- (3 years ago)
- Latest release
- 4.6.2, (4 years ago)
- LTS
- yes
- Source
- endoflife.date (checked 2026-09-09)
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