weaviate

v1.37.7 Breaking

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

Published 1d 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, db, and test across a mixed release.

Changes in this release

Type	Severity	Summary	CVE
Performance	Low	reduce posting map memory usage in hfresh reduce posting map memory usage in hfresh Source: llm_adapter@2026-06-02 Confidence: high	—
Bugfix
Bugfix	Medium	make compaction abort immediately on cancel in lsmkv make compaction abort immediately on cancel in lsmkv Source: llm_adapter@2026-06-02 Confidence: high	—
Bugfix	Medium	sync-rename and async RemoveAll on collection/shard delete in db sync-rename and async RemoveAll on collection/shard delete in db Source: llm_adapter@2026-06-02 Confidence: high	—
Bugfix	Medium	make async-delete drop idempotent for missing source in db make async-delete drop idempotent for missing source in db Source: llm_adapter@2026-06-02 Confidence: high	—
Bugfix	Low	add more info to RBAC denied log entry add more info to RBAC denied log entry Source: llm_adapter@2026-06-02 Confidence: high	—
Bugfix	Low	reduce backup size to speed up CI tests reduce backup size to speed up CI tests Source: llm_adapter@2026-06-02 Confidence: high	—
Bugfix	Low	improve assertions and log verbosity in TestReplicationReplicateWithLazyShardLoading improve assertions and log verbosity in TestReplicationReplicateWithLazyShardLoading Source: llm_adapter@2026-06-02 Confidence: high	—
Bugfix	Low	use per-network subnet with retry to fix concurrent network overlap in docker tests use per-network subnet with retry to fix concurrent network overlap in docker tests Source: llm_adapter@2026-06-02 Confidence: high	—
Bugfix	Low	deflake TestReplicationDigestObjectsInRange/TruncatedBinaryRecord test deflake TestReplicationDigestObjectsInRange/TruncatedBinaryRecord test Source: llm_adapter@2026-06-02 Confidence: high	—
Refactor	Low	don't log issue link in qa_pr.sh script don't log issue link in qa_pr.sh script Source: llm_adapter@2026-06-02 Confidence: high	—

Full changelog

Breaking Changes

none

New Features

none

Fixes

fix(lsmkv): make compaction abort immediately on cancel by @etiennedi in https://github.com/weaviate/weaviate/pull/11461
fix(db): sync-rename + async RemoveAll on collection / shard delete by @etiennedi in https://github.com/weaviate/weaviate/pull/11462
fix(db): make async-delete drop idempotent for a missing source by @etiennedi in https://github.com/weaviate/weaviate/pull/11477
Reduce size of backup to speed up test in ci by @tsmith023 in https://github.com/weaviate/weaviate/pull/11479
chore: don't log issue link in qa_pr.sh script by @antas-marcin in https://github.com/weaviate/weaviate/pull/11504
Improve assertions and log verbosity in TestReplicationReplicateWithLazyShardLoading by @tsmith023 in https://github.com/weaviate/weaviate/pull/11481
hfresh: reduce posting map memory usage by @asdine in https://github.com/weaviate/weaviate/pull/11358
Add more info to RBAC denied log by @dirkkul in https://github.com/weaviate/weaviate/pull/11517
test/docker: per-network subnet with retry to fix concurrent network overlap by @etiennedi in https://github.com/weaviate/weaviate/pull/11520
test: deflake TestReplicationDigestObjectsInRange/TruncatedBinaryRecord by @jeroiraz in https://github.com/weaviate/weaviate/pull/11511
test: drop flaky RegisterAssignsMonotoneSeq subtest by @jeroiraz in https://github.com/weaviate/weaviate/pull/11532

Full Changelog: https://github.com/weaviate/weaviate/compare/v1.37.6...v1.37.7

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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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