Version-specific upgrade guides

Some Memgraph releases introduce breaking changes or modify internal behavior in ways that require extra steps during an upgrade. Before upgrading, check whether your target version is listed below and follow the corresponding guide.

v3.9 - High-availability coordinator migration

Memgraph 3.9 includes a fix for a bug in how durability is handled on coordinators in a high-availability setup. All coordinator data directories must be cleaned and coordinators must be started fresh. Data instances are not affected.

See the full guide: Migrating to v3.9 HA.

v3.7 - Label-based access control overhaul

Memgraph 3.7 redesigns label-based access control (LBAC) with discrete permissions and flexible label-matching modes. Per-label and per-edge-type rules are dropped during the upgrade and must be recreated manually.

See the full guide: Migrate to v3.7 label-based access control.