Bitbucket Data Center 9.1 reaches end of support on August 27, 2026, exactly two years after release — and Atlassian's two-year clock retires 9.2 in September, 9.3 in October, and the 9.4 LTS in December. Why the KEV history makes unpatched Bitbucket a proven target, and why 10.2 LTS is the upgrade that skips the treadmill.
The monthly cascade
| Version | Released | End of support | Time left at publication | Risk score |
|---|---|---|---|---|
| 9.1 | 2024-08-27 | 2026-08-27 | 11 days | 45 |
| 9.2 | 2024-09-24 | 2026-09-24 | 39 days | 45 |
| 9.3 | 2024-10-29 | 2026-10-29 | 74 days | 45 |
| 9.4 (LTS) | 2024-12-02 | 2026-12-03 | 109 days | 38 |
| 10.2 (LTS) | 2026-03-03 | 2028-03-03 | 18+ months | 30 |
What's covered
- The monthly cascade
- Why unpatched Bitbucket is a proven target, not a theoretical one
- Skip the treadmill: 10.2 LTS or the ladder
Full guide with every version, risk scores, and live updates: https://endoflife.ai/article-bitbucket-91-eol
