weaviate

v1.36.23 Breaking

This release includes breaking changes for platform teams planning a safe upgrade.

Published 7d Vector Databases

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✓ No known CVEs patched

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✓ No known CVEs patched in this version

Topics

approximate-nearest-neighbor-search generative-search grpc hnsw hybrid-search image-search

+13 more

information-retrieval mlops nearest-neighbor-search neural-search recommender-system search-engine semantic-search semantic-search-engine similarity-search vector-db vector-search-engine vectors weaviate

Summary

AI summary

Updates New Features none, memberlist, and Breaking Changes none across a mixed release.

Changes in this release

Type	Severity	Summary	CVE
Performance	Medium	Eliminate per-call allocations in SelectProperties lookups (search performance improvement) Eliminate per-call allocations in SelectProperties lookups (search performance improvement) Source: llm_adapter@2026-07-20 Confidence: medium	—
Bugfix
Bugfix	Medium	Widen flaky RansomNote aggregate count assertion in tests Widen flaky RansomNote aggregate count assertion in tests Source: llm_adapter@2026-07-20 Confidence: medium	—
Bugfix	Medium	Repair flaky entrypoint test in HNSW module Repair flaky entrypoint test in HNSW module Source: llm_adapter@2026-07-20 Confidence: medium	—
Bugfix	Medium	Error on unknown RBAC command version instead of infinite loop during migration Error on unknown RBAC command version instead of infinite loop during migration Source: llm_adapter@2026-07-20 Confidence: medium	—
Bugfix	Medium	Propagate usage‑file removal error in NewShard instead of discarding it Propagate usage‑file removal error in NewShard instead of discarding it Source: llm_adapter@2026-07-20 Confidence: medium	—
Bugfix	Medium	Backport fix for flaky TestMakeUnboundedChannel_CapShrink Backport fix for flaky TestMakeUnboundedChannel_CapShrink Source: llm_adapter@2026-07-20 Confidence: medium	—
Bugfix	Medium	Retry on join with deadline for memberlist module Retry on join with deadline for memberlist module Source: llm_adapter@2026-07-20 Confidence: medium	—
Bugfix	Medium	Prevent memberlist startup failure when a single node cannot join (self‑heal) Prevent memberlist startup failure when a single node cannot join (self‑heal) Source: llm_adapter@2026-07-20 Confidence: medium	—

Full changelog

Breaking Changes

none

New Features

none

Fixes

perf(search): eliminate per-call allocations in SelectProperties lookups by @etiennedi in https://github.com/weaviate/weaviate/pull/12134
fix(test): widen flaky RansomNote aggregate count assertion by @etiennedi in https://github.com/weaviate/weaviate/pull/12194
fix(hnsw): entrypoint repair test flake by @trengrj in https://github.com/weaviate/weaviate/pull/12205
fix(rbac): error on unknown command version instead of looping forever during migration by @antas-marcin in https://github.com/weaviate/weaviate/pull/12196
fix(db): propagate usage-file removal error in NewShard instead of discarding it by @antas-marcin in https://github.com/weaviate/weaviate/pull/12191
Backport to v1.36: fix flaky TestMakeUnboundedChannel_CapShrink by @asdine in https://github.com/weaviate/weaviate/pull/12236
backport: fix(memberlist): retry on join with deadline by @moogacs in https://github.com/weaviate/weaviate/pull/12241
fix(memberlist): don't fail startup when a single node can't join (self-heal) by @moogacs in https://github.com/weaviate/weaviate/pull/12243

Full Changelog: https://github.com/weaviate/weaviate/compare/v1.36.22...v1.36.23

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About weaviate

Weaviate is an open-source vector database that stores both objects and vectors, allowing for the combination of vector search with structured filtering with the fault tolerance and scalability of a cloud-native database.

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