Changelog

Every Jazz 2 release, newest first, with links to its full release notes.

Each release's full notes, including breaking changes and how to upgrade, are on its GitHub release. Upgrade guides for releases with breaking changes are in Backups and upgrades.

ReleaseDateHighlights
2.0.0-alpha.6112 Nov 2026The Inspector, auth for long-lived sessions (expiresAt), and one session object. Upgrading
2.0.0-alpha.607 Nov 2026Jazz on SQLite: the first step towards serverless and self-hosting. Blog post · Upgrading
2.0.0-alpha.594 Oct 2026Faster permissioned writes, a smaller browser build, steadier sync around large values. Non-breaking from alpha.58
2.0.0-alpha.5830 Sep 2026Effect bindings, safer exclusive transactions, faster large values and permission lookups
2.0.0-alpha.5726 Sep 2026A big release with a much easier upgrade from alpha.56
2.0.0-alpha.5621 Sep 2026Performance improvements, bug fixes, and three API and CLI changes
2.0.0-alpha.5515 Sep 2026Performance and bug fixes

Older releases: all releases on GitHub.