Prior to v0.1.36, Kuzu supported Primary Keys for node uniqueness but lacked Foreign Key enforcement for relationships. This meant the database relied on the application layer to ensure referential integrity (i.e., ensuring a relationship connects two existing nodes).
The fixed version stabilizes core functionalities—including single-file databases, mutable indices, and filtered vector searches—ensuring seamless operational continuity for developer infrastructure. Key Architectural Updates Fixed in v0.13.6 kuzu v0 136 fixed