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v1.18.1

electroplix/Design-Systemv1.18.1May 22, 2026by timvisee

AI Summary

This release focuses on performance and stability improvements, including io_uring support for vector scorers and async upsert validation, alongside numerous bug fixes for consensus operations and memory management.

Key Highlights

  • Refactor quantized multi-vector scorers for io_uring support
  • Validate vector dimensions before WAL write for async upserts
  • Fix TurboQuant heap memory under-reporting
  • Security update: Authorize request before accepting snapshot file upload

New Features

  • io_uring support for multi-vector scorers
  • Async upsert validation

Full Release Notes

# Change log

## Improvements

* https://github.com/qdrant/qdrant/pull/8988 - Refactor quantized multi-vector scorers for io_uring support
* https://github.com/qdrant/qdrant/pull/9058 - Validate vector dimensions before WAL write for async upserts

## Bug Fixes

* https://github.com/qdrant/qdrant/pull/8990 - Notify pending consensus ops on snapshot apply
* https://github.com/qdrant/qdrant/pull/9054 - Fix indexed integer range filter with float values
* https://github.com/qdrant/qdrant/pull/9055 - Fix `{match: {except: []}}` returning zero results with payload index
* https://github.com/qdrant/qdrant/pull/9070 - Fix empty vector panic
* https://github.com/qdrant/qdrant/pull/9099 - Fix TurboQuant heap memory under-reporting
* https://github.com/qdrant/qdrant/pull/9107 - Do not use unnecessary sequential mmaps
* https://github.com/qdrant/qdrant/pull/9014 - Fix resharding cleanup data race with update queue
* https://github.com/qdrant/qdrant/pull/9120 - Use cluster default shard transfer method for fallback
* https://github.com/qdrant/qdrant/pull/9121 - Recreate workers/optimizers async to not block consensus
* https://github.com/qdrant/qdrant/pull/9110 - Restart optimizer on conflicting vector schema
* https://github.com/qdrant/qdrant/pull/9122 - Do not remove shard for snapshot transfer receiver
* https://github.com/qdrant/qdrant/pull/9125 - Fix snapshot transfer cancellation on external malformed requests
* https://github.com/qdrant/qdrant/pull/9116 - Fix deleted mask race on optimization and snapshot creation

## Security

* https://github.com/qdrant/qdrant/pull/9031 - Authorize request before we accept snapshot file upload