Release announcements, SecurityZulip Server 12.2 security releaseWe released Zulip Server 12.2 today! This release fixes five security issues and a couple of bugs. We have requested CVE IDs for these issues, but they have not yet been assigned. Each issue is instead referenced below by its GitHub security advisory. Upgrading We recommend that all installations upgrade …Mateusz ManderaAug 10, 2026 • 2 min read
Release announcementsZulip Server 12.1 bug fix releaseWe released Zulip Server 12.1 today! This is a bug fix release, containing cherry-picked changes since Zulip Server 12.0. Upgrading We recommend that all installations upgrade to this new release. See the upgrade instructions in the Zulip documentation. Zulip Cloud has already been upgraded with the …Mateusz ManderaJun 26, 2026 • 3 min read
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