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The query planner was upgraded to automatically merge consecutive MATCH clauses. By consolidating redundant scan states, Kùzu drastically shortened execution paths for complex, join-heavy Cypher queries. Technical Specification Comparison
When Code 136 appears, you might experience:
The improvements implemented in the v0.13.6 codebase established a clear structural divergence from previous legacy iterations: Feature/Metric Legacy Kùzu Versions Kùzu v0.13.6 (Fixed & Optimized) Restricted precision Native DOUBLE precision columns In-Memory HNSW Uncompressed node indexing Compressed neighbor offsets Match Clauses Sequential, independent scans Merged consecutive MATCH logic Data Ingestion Prone to COPY FROM subquery bugs Safe, type-checked subquery streaming Buffer Management Unoptimized individual evictions Batch-processed eviction candidates The Legacy of Kùzu v0.13.6
String formatting operations were updated to use reference passing instead of value passing, reducing overhead and improving string processing performance. C. Extension and Data Management kuzu v0 136 fixed
The phrase "kuzu v0.1.3.6 fixed" refers to a specific update or patch for
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: Addressed a critical bug where heavily nested subqueries failed to release intermediate memory blocks, preventing application crashing.
If you pinned to v0.135 waiting for the all-clear – you’re safe to update now. This public link is valid for 7 days
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The update resolved long-standing architectural bottlenecks across several data subsystems. Below is a deep dive into the primary areas that were fixed. 1. Advanced Union Data Type Casting
In October 2025, Kùzu Inc. announced that it was "working on something new" and officially the Kùzu repository. While the core team is no longer actively supporting the project, the code remains open-source under the MIT License . What this means for you:
The v0.13.6 release is a targeted patch designed to harden the system against runtime crashes, incorrect query evaluations, and memory leak vulnerabilities. Below is a breakdown of the most significant fixes introduced in this version. 1. Memory Management and Leak Fixes Can’t copy the link right now
Enforces a schema on your graph, allowing for strongly typed nodes and relationships.
A quick heads-up for anyone tracking the Kuzu graph database releases: The v0.136 issues (query hangs on certain MATCH patterns + memory leak in recursive joins) have been patched in the latest hotfix.
With the growing popularity of hybrid Graph-Vector retrieval (GraphRAG), the Hierarchical Navigable Small World (HNSW) vector extension received vital optimization.
: Resolved an edge-case bug that caused state corruption when executing consecutive COPY FROM subqueries.