v1.1.9 - Go

[v1.1.9] - Go - 6.24.2026 (for Ez, who never stops racing)

Full Graphiti support - special thanks to @joefrancia for all the testing and co-profiling with me. includes #227 and Added followup fixes an edge condition race on the cache and audit logging race.

Changed

• Cypher hot paths were tightened across execution, planning, and clause handling:
  • structural expression evaluation now uses dedicated fast paths for common operators and property/literal forms;
  • hot candidate paths compile WHERE predicates earlier;
  • CALL-tail retrieval and composite subquery binding preservation were both corrected and optimized;
  • keyword scanning now caches results and narrows stale-index fallback behavior.
• Vector-search execution was made more selective and more passive during ingest:
  • query-time vector index warmups are avoided on read paths;
  • vector fast paths now use owned search-readiness gates instead of forcing full warmup semantics;
  • Graphiti ingest keeps vector reads and writes passive where appropriate;
  • exact file-store candidates are now included for property-vector node queries so dedup and ingest paths do not depend solely on HNSW recall.
• Storage fast paths were extended for vector-heavy workloads:
  • node properties are projected for vector fast paths;
  • current-head node body decodes are cached for MVCC reads;
  • tokenized property decode overhead was reduced;
  • async flush now blocks prefix counts while data is in flight to preserve correctness.
• Search write-path behavior was refined for live updates and shutdown safety:
  • unchanged vector reindexing is skipped during HNSW live writes;
  • write-side indexing now respects lazy warming;
  • background vector work stops cleanly after shutdown;
  • CPU brute-force vector search remains opt-in rather than being enabled implicitly.
• Bolt compatibility was extended for modern temporal values:
  • localDateTime PackStream encoding was added so typed temporal round-trips behave correctly with newer driver payloads.
• Documentation and release-facing notes were refreshed:
  • README and vector-search docs were updated alongside the execution changes;
  • configuration and environment-variable docs were aligned with the latest search and vector behavior.

Fixed

• Cypher vector and mutation correctness issues were resolved:
  • relationship-bound WITH ... CALL vector-property paths now execute side effects and bind relationship variables correctly;
  • node mutation indexing now updates properly;
  • relationship batch match paths preserve indexed matches instead of dropping them;
  • stale indexed MATCH buckets are verified before hot-path reuse;
  • temporal values expanded from nested parameter maps now round-trip as typed Cypher literals instead of stringified timestamps.
• Graphiti compatibility and subquery binding behavior were hardened:
  • correlated bindings now survive composite subqueries;
  • vector reads stay passive during Graphiti ingest rather than forcing storage-scan fallbacks.
• Search lifecycle and readiness edge cases were corrected:
  • write-side lazy warming is honored;
  • live vector-query capability is separated from full ONLINE readiness;
  • unchanged HNSW reindex work is skipped on live writes;
  • file-backed property-vector queries now use the Cypher vector path consistently.
• Storage and async-engine regressions were addressed:
  • prefix-count operations no longer race against async flush state;
  • MVCC and node-body decode paths are stable under hot read/write workloads.

Tests

• Expanded regression coverage across Cypher, search, storage, Bolt, and Graphiti-specific scenarios, including:
  • vector query shape coverage;
  • subquery and clause-boundary regressions;
  • property-vector file-store lookup behavior;
  • MVCC and async flush correctness;
  • temporal encoding round-trip verification.

Full Changelog: v1.1.7...v1.1.9

Full Changelog: v1.1.8...v1.1.9