Apache ZooKeeper End of Life Dates
Server applicationsAll 6 Apache ZooKeeper release branches: support windows, latest releases, and what each EOL branch has missed since. Updated daily — last refresh 2026-10-05.
2still supported
4end of life
Support lifecycle at a glance
■ supported ■ security fixes only ■ end of life
All versions
Release dates, security support dates and current support status for every Apache ZooKeeper branch.
| Branch | Released | Active Support ends | Security Support ends | Status | Latest |
|---|---|---|---|---|---|
| 3.9 | 19 Jul 20233y 3mo ago | — | — | supported | 3.9.6 |
| 3.8 | 25 Feb 20224y 7mo ago | — | — | supported | 3.8.7 |
| 3.7 | 17 Mar 20215y 7mo ago | 19 Jul 2023 | 19 Jan 20242y 9mo ago | EOL | 3.7.2 |
| 3.6 | 25 Feb 20206y 7mo ago | 7 Mar 2022 | 30 Dec 20223y 9mo ago | EOL | 3.6.4 |
| 3.5 | 3 May 20197y 5mo ago | 27 Mar 2021 | 1 Jun 20224y 4mo ago | EOL | 3.5.10 |
| 3.4 | 23 Nov 201114y 10mo ago | 27 Mar 2020 | 1 Jun 20206y 4mo ago | EOL | 3.4.14 |