weaviate

Breaking Changes

none

HFresh (GA)

Extensive improvements including numerous performance optimizations reducing memory usage, disk writes, and allocations.

• hfresh: normalize query vector before rescoring by @asdine in https://github.com/weaviate/weaviate/pull/11097
• hfresh: use asymmetric distance computation by @asdine in https://github.com/weaviate/weaviate/pull/11098
• hfresh: guard distToNode against nil distancer during async init by @SAY-5 in https://github.com/weaviate/weaviate/pull/11087
• hfresh: fix metrics reporting by @asdine in https://github.com/weaviate/weaviate/pull/11140
• hfresh: retry transient errors during reassign by @asdine in https://github.com/weaviate/weaviate/pull/11124
• hfresh: dequeue analyze after ressignments by @asdine in https://github.com/weaviate/weaviate/pull/11177
• hfresh: backport rescoring fix by @asdine in https://github.com/weaviate/weaviate/pull/11205
• Backport hfresh task priorities by @asdine in https://github.com/weaviate/weaviate/pull/11408
• hfresh: reduce posting map memory usage by @asdine in https://github.com/weaviate/weaviate/pull/11358

Namespaces (Preview)

Namespaces add control-plane and data isolation between users on a shared cluster.

• Namespaces: Add RAFT entity, handlers and settings by @dirkkul in https://github.com/weaviate/weaviate/pull/11128
• Namespace: Add to principal and wire up db user by @dirkkul in https://github.com/weaviate/weaviate/pull/11143
• Namespaces: Add support for creating collections and many endpoints by @dirkkul in https://github.com/weaviate/weaviate/pull/11167
• Namespaces: Make RBAC casbin aware by @dirkkul in https://github.com/weaviate/weaviate/pull/11178
• Namespaces: Wire up OIDC and redefine build-in roles by @dirkkul in https://github.com/weaviate/weaviate/pull/11200
• Relax namespace naming regexp to allow UUIDs by @dirkkul in https://github.com/weaviate/weaviate/pull/11207
• Namespaces: Add support for delete and update collection by @dirkkul in https://github.com/weaviate/weaviate/pull/11213
• Namespaces: Wire up remaining schema endpoints by @dirkkul in https://github.com/weaviate/weaviate/pull/11216
• Wire up namespacing for tenant operations by @dirkkul in https://github.com/weaviate/weaviate/pull/11227
• Namespaces: Fix auto schema by @dirkkul in https://github.com/weaviate/weaviate/pull/11229
• Namespacs: Add namespace info to audit log by @dirkkul in https://github.com/weaviate/weaviate/pull/11250
• Namespaces: Add support for multi node apis by @dirkkul in https://github.com/weaviate/weaviate/pull/11249
• Namespaces: Add support for filters and enable batch delete by @dirkkul in https://github.com/weaviate/weaviate/pull/11264
• Add support for namespaces in SSB by @dirkkul in https://github.com/weaviate/weaviate/pull/11271
• Namespaces: Add cascading delete by @dirkkul in https://github.com/weaviate/weaviate/pull/11224
• Namespaces: Validate namespaces provided by global operator by @dirkkul in https://github.com/weaviate/weaviate/pull/11268
• Add namespacing to update shard by @dirkkul in https://github.com/weaviate/weaviate/pull/11286
• Namespaces: Wire up remaining alias endpoints by @dirkkul in https://github.com/weaviate/weaviate/pull/11285
• Namespace: Fix getting roles for namespace users by @dirkkul in https://github.com/weaviate/weaviate/pull/11287
• Add per-namespace restrictions for number of collections by @dirkkul in https://github.com/weaviate/weaviate/pull/11283
• Namespace deprecate incompatible endpoints by @dirkkul in https://github.com/weaviate/weaviate/pull/11288
• Namespaces: Wire up MCP by @dirkkul in https://github.com/weaviate/weaviate/pull/11344
• feat(schema): add validation for reserved property name suffixes by @amourao in https://github.com/weaviate/weaviate/pull/11122
• Namespace: object limit per namespace by @dirkkul in https://github.com/weaviate/weaviate/pull/11342
• Namespaces: Response stripping by @dirkkul in https://github.com/weaviate/weaviate/pull/11357
• Namespaces error stripping by @dirkkul in https://github.com/weaviate/weaviate/pull/11386
• Namespaces: Add support for references in schema by @dirkkul in https://github.com/weaviate/weaviate/pull/11374
• Namespaces: Strip query_profiling reply by @dirkkul in https://github.com/weaviate/weaviate/pull/11404
• feat: cross-ref namespace strip by @amourao in https://github.com/weaviate/weaviate/pull/11311
• Namespace: Cascading cleanup fixes by @dirkkul in https://github.com/weaviate/weaviate/pull/11423
• Namespace: Auto-schema and reindex bug fixes by @dirkkul in https://github.com/weaviate/weaviate/pull/11473
• Namespaces: Require RBAC to be enabled by @dirkkul in https://github.com/weaviate/weaviate/pull/11412
• Namespace flaky test by @dirkkul in https://github.com/weaviate/weaviate/pull/11476
• fix: enable ns xref filtersexp paths by @amourao in https://github.com/weaviate/weaviate/pull/11484
• Namespaces: Fix stripping in batch delete by @dirkkul in https://github.com/weaviate/weaviate/pull/11497
• Namespaces: Close test gaps by @dirkkul in https://github.com/weaviate/weaviate/pull/11499
• Namespace: Round of bugfixes by @dirkkul in https://github.com/weaviate/weaviate/pull/11505
• Namespaces: Add user management by @dirkkul in https://github.com/weaviate/weaviate/pull/11501
• fix: handle transient errors during namespaced user creation by @amourao in https://github.com/weaviate/weaviate/pull/11522
• Fix: namespace response strip by @amourao in https://github.com/weaviate/weaviate/pull/11498
• fix: move strip to outside ref loop by @amourao in https://github.com/weaviate/weaviate/pull/11528
• Concurrent namespace test by @dirkkul in https://github.com/weaviate/weaviate/pull/11604
• test: add retry logic for shard status retrieval in namespace tests by @amourao in https://github.com/weaviate/weaviate/pull/11628

Nested Object Filtering (Preview)

Adds ability to perform search within indexed JSON properties.

• Nested object filtering — Part 1: position encoding and assignment by @aliszka in https://github.com/weaviate/weaviate/pull/10954
• Nested object filtering — Part 2: write path analysis by @aliszka in https://github.com/weaviate/weaviate/pull/10955
• Nested object filtering — Part 3: LSM storage, write path, and bucket management by @aliszka in https://github.com/weaviate/weaviate/pull/10956
• Nested object filtering — Part 4: batched writes, delete path, and prefix-bounded reads by @aliszka in https://github.com/weaviate/weaviate/pull/10957
• Nested object filtering — Part 5: filter validation, execution, and integration tests by @aliszka in https://github.com/weaviate/weaviate/pull/10974
• Nested object filtering — Part 6: correlated AND resolution plan and executor by @aliszka in https://github.com/weaviate/weaviate/pull/10975
• Nested object filtering — Part 7: correlated AND resolution by @aliszka in https://github.com/weaviate/weaviate/pull/10976
• Nested object filtering — Part 8: IsNull support and arr[N] positional filtering by @aliszka in https://github.com/weaviate/weaviate/pull/11010
• Nested object filtering — Part 9: flat execution plan and arr[N] cross-index fix by @aliszka in https://github.com/weaviate/weaviate/pull/11048
• Nested object filtering — Part 10: pool-backed BitmapOps and lifecycle testing by @aliszka in https://github.com/weaviate/weaviate/pull/11084
• Nested object filtering — Part 11: path consolidation, delete cleanup, UUID and IsNull support by @aliszka in https://github.com/weaviate/weaviate/pull/11315
• Nested object filtering — Part 12: recursive plan/executor and same-element-at-LCA semantics by @aliszka in https://github.com/weaviate/weaviate/pull/11316
• Nested object filtering — Part 13: DB-level test consolidation and same-K-different-parent fix by @aliszka in https://github.com/weaviate/weaviate/pull/11317
• Nested object filtering — Part 14: regression baseline test sweep by @aliszka in https://github.com/weaviate/weaviate/pull/11338
• Nested object filtering — Part 15: position-level evaluation across operator subtrees by @aliszka in https://github.com/weaviate/weaviate/pull/11339
• Nested object filtering — Part 16: scope-aware NOT and IsNull by @aliszka in https://github.com/weaviate/weaviate/pull/11340
• Nested object filtering — Part 17: Contains* operators as first-class on nested paths by @aliszka in https://github.com/weaviate/weaviate/pull/11341
• Nested object filtering — Part 18: gRPC ingress for nested filter paths + Python e2e suite by @aliszka in https://github.com/weaviate/weaviate/pull/11365
• Nested object filtering — Part 19: Python e2e coverage for single-OBJECT intermediates by @aliszka in https://github.com/weaviate/weaviate/pull/11369
• Nested object filtering — Part 20: preview gate, GraphQL ingress, and pre-release correctness by @aliszka in https://github.com/weaviate/weaviate/pull/11387
• Nested object filtering — Part 21: 96-bit path hash, IsNull in operator subtrees, write-path allocation cuts by @aliszka in https://github.com/weaviate/weaviate/pull/11448
• chore: bumps sroar to v0.0.14 by @aliszka in https://github.com/weaviate/weaviate/pull/11626

Alter Schema - Reindex property (Preview)

Adds support for changing property's index types.

• Runtime property reindex (v1.38 Preview) by @etiennedi in https://github.com/weaviate/weaviate/pull/11326
• chore(reindex): post-merge cleanups — CI matrix split, configure_api helper extract, docs by @etiennedi in https://github.com/weaviate/weaviate/pull/11350
• [Reindex v1.38 Preview] Two-phase RAFT swap barrier for semantic reindex migrations by @etiennedi in https://github.com/weaviate/weaviate/pull/11328
• fix(reindex): compose multi-task progress into per-unit envelope by @etiennedi in https://github.com/weaviate/weaviate/pull/11346
• fix(cluster): cascade-delete DTM task records on collection drop (closes weaviate/0-weaviate-issues#231) by @etiennedi in https://github.com/weaviate/weaviate/pull/11345
• fix(reindex): graceful-restart resilience for in-flight units by @etiennedi in https://github.com/weaviate/weaviate/pull/11370
• test+fix(reindex/distributedtask): recovery-convergence matrices + #244/#246 fixes by @etiennedi in https://github.com/weaviate/weaviate/pull/11415
• fix(distributedtask): close #240 orphaned-unit class (throttler retry + RecordUnitCompletion NodeID) by @etiennedi in https://github.com/weaviate/weaviate/pull/11428
• [Reindex v1.38 Preview] Backup × runtime-reindex fixes by @etiennedi in https://github.com/weaviate/weaviate/pull/11327
• chore(reindex): fix linter errors for reindex handler by @antas-marcin in https://github.com/weaviate/weaviate/pull/11490
• fix(reindex): promote MapToBlockmax to a semantic migration (closes weaviate/0-weaviate-issues#254 finding 3) by @etiennedi in https://github.com/weaviate/weaviate/pull/11500
• test(reindex-multinode): use atomic Container.Restart for rolling-restart cycles by @etiennedi in https://github.com/weaviate/weaviate/pull/11506
• fix(reindex-tests): plant torn sentinels across restart boundary by @etiennedi in https://github.com/weaviate/weaviate/pull/11507
• test(reindex-backup): poll for orphan sidecar dir removal (Mode B flake) by @etiennedi in https://github.com/weaviate/weaviate/pull/11514
• test(reindex-backup): fix BackupRefusedDuringInFlightMigration flake by @etiennedi in https://github.com/weaviate/weaviate/pull/11512
• fix(reindex): atomic tokenization overlay swap by @etiennedi in https://github.com/weaviate/weaviate/pull/11513
• test(distributedtask): fix two reactive-firing test-harness flakes by @etiennedi in https://github.com/weaviate/weaviate/pull/11518
• test(reindex-singlenode): poll DeleteClass past the in-flight migration guard (APIValidation flake) by @etiennedi in https://github.com/weaviate/weaviate/pull/11515
• test(reindex): replace time.Sleep with dynamic polling, cap poll intervals at 50ms by @etiennedi in https://github.com/weaviate/weaviate/pull/11495

Secure MCP Server (Preview)

Secure Built-In Model Context Protocol (MCP) server interface. This allows AI agents (such as Claude, IDEs, etc.) to natively read and write to Weaviate without requiring custom code. The implementation shifts Weaviate from a passive retrieval engine to an active "long-term memory" for agentic workflows, supporting hybrid search, RAG, and multi-tenancy out of the box.

• [MCP] Refactor permissions by @g-despot in https://github.com/weaviate/weaviate/pull/11037
• [MCP] Make MCP env vars runtime-configurable by @g-despot in https://github.com/weaviate/weaviate/pull/11176
• [MCP] Add Prometheus metrics for the MCP server by @g-despot in https://github.com/weaviate/weaviate/pull/11284
• [MCP] Align hybrid default alpha with GraphQL/gRPC (0.5 → 0.75) by @g-despot in https://github.com/weaviate/weaviate/pull/11537

Async Replication Prod Readiness

Async replication optimizations and fixes.

• fix: optimize zstd encoder usage in replication client by @jeroiraz in https://github.com/weaviate/weaviate/pull/11078
• test: set timeout unit for replication client in HashTreeLevel tests by @jeroiraz in https://github.com/weaviate/weaviate/pull/11158
• feat: per-level discriminants for hashtree peer comparison by @jeroiraz in https://github.com/weaviate/weaviate/pull/11204
• feat: async replication scheduler by @jeroiraz in https://github.com/weaviate/weaviate/pull/11155
• fix: prevent race condition in async replication scheduler's dispatch logic by @jeroiraz in https://github.com/weaviate/weaviate/pull/11266
• feat: async replication using CompareDigests by @jeroiraz in https://github.com/weaviate/weaviate/pull/11223
• fix: update async replication frequency handling by @jeroiraz in https://github.com/weaviate/weaviate/pull/11297
• feat: Implement async checkpoint functionality by @jeroiraz in https://github.com/weaviate/weaviate/pull/10926
• feat: async replication enabled by default by @jeroiraz in https://github.com/weaviate/weaviate/pull/11214
• feat: add async replication compatibility layer by @jeroiraz in https://github.com/weaviate/weaviate/pull/11502
• chore: lower async replication scheduler defaults by @jeroiraz in https://github.com/weaviate/weaviate/pull/11630

Boost API

Soft-ranking support.

• Add Boost API for soft-ranking by @trengrj in https://github.com/weaviate/weaviate/pull/11103
• Boost scoring performance improvements by @trengrj in https://github.com/weaviate/weaviate/pull/11446

Backup reliability improvements

Improves backup reliability for large collections, includes inactive tenants, avoids halting compactions and introduces incremental backups.

• fix(backup-gcs): use delimiter listing in AllBackups to avoid full object scan by @gkampitakis in https://github.com/weaviate/weaviate/pull/11234
• fix(backup): narrow shardCreateLocks scope to unblock queries during snapshot (#234) by @etiennedi in https://github.com/weaviate/weaviate/pull/11349
• Cherry pick fix to backups blocking during compactions by @tsmith023 in https://github.com/weaviate/weaviate/pull/11359
• fix(backup-gcs): skip not found errors on AllBackups by @gkampitakis in https://github.com/weaviate/weaviate/pull/11389
• Add root only baseBackupId return by @dirkkul in https://github.com/weaviate/weaviate/pull/11417
• Reduce size of backup to speed up test in ci by @tsmith023 in https://github.com/weaviate/weaviate/pull/11479
• Add more unit tests for backups by @dirkkul in https://github.com/weaviate/weaviate/pull/10769

Production-ready Replica Movement

• fix(replication): use writable shards in OverwriteObjects() by @moogacs in https://github.com/weaviate/weaviate/pull/11002
• refact(replication): introduce replication error pkg and unify erroring by @moogacs in https://github.com/weaviate/weaviate/pull/10026
• [feat] Introduce change capture log in replica movement by @tsmith023 in https://github.com/weaviate/weaviate/pull/11201
• Remove additionalWriteReplicas from routing behaviour by @tsmith023 in https://github.com/weaviate/weaviate/pull/11590
• Harden replica movement gating before CCL sealing by @tsmith023 in https://github.com/weaviate/weaviate/pull/11631
• Ensure that CCL is started when local schema is up-to-date with leader by @tsmith023 in https://github.com/weaviate/weaviate/pull/11640

Modules & Integrations

• Update gemini model path by @erika-shorten in https://github.com/weaviate/weaviate/pull/11118
• modules: remove EOL Anthropic models from generative-aws e2e tests by @antas-marcin in https://github.com/weaviate/weaviate/pull/11195
• (fix): Adjust MaxObjectsPerBatch from 150 to 100 for google embeddings by @jpsoultanis-kapa in https://github.com/weaviate/weaviate/pull/11277
• add digitalocean text2vec module by @dillonledoux in https://github.com/weaviate/weaviate/pull/11298
• chore: adjust text2vec-google batch logic by @antas-marcin in https://github.com/weaviate/weaviate/pull/11279
• modules: new text2vec-digitalocean module by @antas-marcin in https://github.com/weaviate/weaviate/pull/11318
• feat(modules): introduce rate limiter logic in batch simple logic by @antas-marcin in https://github.com/weaviate/weaviate/pull/11637

Performance & Optimization

• startup: speedup startup by checking db status more often by @asdine in https://github.com/weaviate/weaviate/pull/11064
• Improve compressed vector index cache by @trengrj in https://github.com/weaviate/weaviate/pull/11059
• Fix startup race in object TTL by @dirkkul in https://github.com/weaviate/weaviate/pull/11095
• Switch ObjectTTL log level to debug by @dirkkul in https://github.com/weaviate/weaviate/pull/11096
• Reorder timeout checks for raft ready and leadership elections in attempt to avoid flaking in ci by @tsmith023 in https://github.com/weaviate/weaviate/pull/11105
• Collection export: Speed up snapshotting with concurrent tenant de-activation by @dirkkul in https://github.com/weaviate/weaviate/pull/11031
• compactv2: migrate all compactv2 files during startup by @asdine in https://github.com/weaviate/weaviate/pull/11150
• Add default vector index setting by @trengrj in https://github.com/weaviate/weaviate/pull/11042
• async indexing: retry forever when disk is full by @asdine in https://github.com/weaviate/weaviate/pull/11168
• Ignore none for default quantization by @trengrj in https://github.com/weaviate/weaviate/pull/11175
• queue: promote partial chunk in PrepareForBackup to prevent S3 BadDigest by @rlmanrique in https://github.com/weaviate/weaviate/pull/11211
• feat: dont read class name from objects bucket by @amourao in https://github.com/weaviate/weaviate/pull/11199
• feat: add support for skipping class name in object storage by @amourao in https://github.com/weaviate/weaviate/pull/11240
• fix(lsmkv): remove flakiness in bucket threshold tests via synctest by @aliszka in https://github.com/weaviate/weaviate/pull/11343
• Support named vectors in default vector index by @trengrj in https://github.com/weaviate/weaviate/pull/11364
• queue: fix trigger behavior by @asdine in https://github.com/weaviate/weaviate/pull/11379
• feat(restrictions): split searchable.rebuild from algorithm switch (closes weaviate/0-weaviate-issues#227) by @etiennedi in https://github.com/weaviate/weaviate/pull/11383
• Increase SSB memlimit threshold from 80% to 90% by @tsmith023 in https://github.com/weaviate/weaviate/pull/10660
• gh-11440 parse BM25 property boosts as floats by @msnandhis in https://github.com/weaviate/weaviate/pull/11471
• Restrict user assignment permissions to roles the user has permission to by @dirkkul in https://github.com/weaviate/weaviate/pull/11493
• Add deterministic tie-breaking for equal-distance vector search results by @abdelr in https://github.com/weaviate/weaviate/pull/11632
• Use local HuggingFace cache for ann-datasets to avoid 429 by @asdine in https://github.com/weaviate/weaviate/pull/11649

Bug Fixes

• Fix access-check race in multi-node Azure backup Initialize by @jfrancoa in https://github.com/weaviate/weaviate/pull/11026
• fix: handle secondary index size accumulation for varying key counts by @amourao in https://github.com/weaviate/weaviate/pull/11060
• fix: refactor bucket creation to use options for sec indices by @amourao in https://github.com/weaviate/weaviate/pull/11067
• Set export default path to empty by default by @dirkkul in https://github.com/weaviate/weaviate/pull/11068
• fix(ttl): guarantee tenant re-deactivation when TTL context is canceled mid-deletion by @jfrancoa in https://github.com/weaviate/weaviate/pull/11063
• Fix 'succesfully' typo in benchmark/remote/run.sh by @MukundaKatta in https://github.com/weaviate/weaviate/pull/11046
• fix: support old stopword index config on endpoint by @amourao in https://github.com/weaviate/weaviate/pull/11079
• fix: flush memtables after queue drain in HaltForTransfer by @rlmanrique in https://github.com/weaviate/weaviate/pull/10991
• fix(cluster): prevent shutdown hangs by buffering close signal channels by @moogacs in https://github.com/weaviate/weaviate/pull/11114
• fix: normalize negative zero in LexicographicallySortableFloat64 to fix inverted index filters by @anishesg in https://github.com/weaviate/weaviate/pull/11120
• docs: fix TextAnalyzerConfig descriptions for immutabiity by @amourao in https://github.com/weaviate/weaviate/pull/11127
• MMR Fix for Multi-Node by @trengrj in https://github.com/weaviate/weaviate/pull/11041
• hnsw: fix snapshotFileName for compactv2 .sorted commit logs by @asdine in https://github.com/weaviate/weaviate/pull/11147
• Fix concurrent sends and dropped reports in SSB by @tsmith023 in https://github.com/weaviate/weaviate/pull/11145
• Fix recursive RAFT commands in func (s *SchemaManager) UpdateShardStatus path by @tsmith023 in https://github.com/weaviate/weaviate/pull/11186
• chore(test_usage): relax vector storage bytes check to reduce flakiness by @antas-marcin in https://github.com/weaviate/weaviate/pull/11270
• fix: drain dispatcher workCh correctly by @jeroiraz in https://github.com/weaviate/weaviate/pull/11293
• fix(offload-s3): build per-call cli.App to avoid concurrent freeze panic by @moogacs in https://github.com/weaviate/weaviate/pull/11289
• Fix flaky TestMakeUnboundedChannel_CapShrink by @asdine in https://github.com/weaviate/weaviate/pull/11380
• fix: duplicated words in commit_log_combiner, queue.go, and path.go comments by @oab24413gmai in https://github.com/weaviate/weaviate/pull/11299
• fix: initialize dateAggregator max sentinel to MinInt64 to handle pre-1970 dates by @anishesg in https://github.com/weaviate/weaviate/pull/11130
• fix: skip stale doc IDs in HFRESH rescore and flat search after deletion by @anishesg in https://github.com/weaviate/weaviate/pull/11132
• [FIX] - Check DB user identifier collisions in auth index by @kedar49 in https://github.com/weaviate/weaviate/pull/11381
• fix(inverted): wrap child error in sequential nested AND/OR by @SAY-5 in https://github.com/weaviate/weaviate/pull/11363
• Reject duplicate static API keys by @3em0 in https://github.com/weaviate/weaviate/pull/11393
• fix: deflake TestReplicationAbort/Error and /DecodeResponse by @moogacs in https://github.com/weaviate/weaviate/pull/11419
• fix: deflake TestReplicationAbort/Error and /DecodeResponse by @moogacs in https://github.com/weaviate/weaviate/pull/11421
• fix(test): bump CancelClearsAcrossReplicas backup deadline 60s → 120s by @etiennedi in https://github.com/weaviate/weaviate/pull/11453
• Fix/hnsw findnewentrypoint panic by @abdelr in https://github.com/weaviate/weaviate/pull/11151
• fix(compression): skip readonly bucket write-back in recoverCompresse… by @trengrj in https://github.com/weaviate/weaviate/pull/11458
• 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
• Fix dangling-alias batch insert silently re-creating the deleted target by @jfrancoa in https://github.com/weaviate/weaviate/pull/11489
• fix(lsmkv): avoid recursive bucketAccessLock.RLock and harden Pause/ResumeObjectBucketCompaction concurrency by @etiennedi in https://github.com/weaviate/weaviate/pull/11486
• Improve assertions and log verbosity in TestReplicationReplicateWithLazyShardLoading by @tsmith023 in https://github.com/weaviate/weaviate/pull/11481
• fix(rbac): pass principal to prettyPermissionsResources (main is red) by @etiennedi in https://github.com/weaviate/weaviate/pull/11524
• 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
• test: update tests to ensure input beacons are echoed on failed rows by @amourao in https://github.com/weaviate/weaviate/pull/11531
• use the same update time for batch references everywhere by @dirkkul in https://github.com/weaviate/weaviate/pull/11553
• refactor(schema): extract tokenize logic into shared usecase by @mpartipilo in https://github.com/weaviate/weaviate/pull/11180
• Revert "refactor(schema): extract tokenize logic into shared usecase" by @antas-marcin in https://github.com/weaviate/weaviate/pull/11558
• fix: add support for strfmt.URI in reference aggregation and strip NS by @amourao in https://github.com/weaviate/weaviate/pull/11526
• fix(inverted): index references provided as untyped JSON beacons by @moogacs in https://github.com/weaviate/weaviate/pull/11551
• Fix race in dynamic users with concurrent pointer access by @dirkkul in https://github.com/weaviate/weaviate/pull/11573
• Fix failing linter + tests due to merge forward divergence by @tsmith023 in https://github.com/weaviate/weaviate/pull/11591
• Interpret empty string as empty for slices in dynamic runtime config by @dirkkul in https://github.com/weaviate/weaviate/pull/11589
• Remove target from additionalWriteReplicas to avoid races between the CCL catch-up and hot-path writes by @tsmith023 in https://github.com/weaviate/weaviate/pull/11588
• fix(resource): don't auto-recover shards read-only for a non-resource reason by @amourao in https://github.com/weaviate/weaviate/pull/11581
• test: fix data race in TestAsyncRepairMultiTenancyColdTenantConfigUpdate by @jeroiraz in https://github.com/weaviate/weaviate/pull/11594
• test: deflake TestReplicationDigestObjectsInRange/TruncatedBinaryRecord (backport #11511 to v1.36) by @jeroiraz in https://github.com/weaviate/weaviate/pull/11595
• test: deflake replication client tests via generous default timeoutUnit by @jeroiraz in https://github.com/weaviate/weaviate/pull/11601
• Fix flaky HNSW search test by @dirkkul in https://github.com/weaviate/weaviate/pull/11579
• Fix flaky usage test by @dirkkul in https://github.com/weaviate/weaviate/pull/11617
• Remove flaky dynamic index latency assertion by @asdine in https://github.com/weaviate/weaviate/pull/11623

Observability

• chore: disable cloud info if telemetry is disabled by @antas-marcin in https://github.com/weaviate/weaviate/pull/11202
• Reduce log spam waiting for DB by @dirkkul in https://github.com/weaviate/weaviate/pull/11215
• Usage limits: server-side guardrails for objects/collections/tenants/shards by @etiennedi in https://github.com/weaviate/weaviate/pull/11212
• feat: vector index + compression allow-lists by @etiennedi in https://github.com/weaviate/weaviate/pull/11313
• Add more info to RBAC denied log by @dirkkul in https://github.com/weaviate/weaviate/pull/11517
• implements telemetry usage for X-Weaviate-Client-Integration by @dudanogueira in https://github.com/weaviate/weaviate/pull/10535
• Remove deprecation notice for weaviate.json config file by @dirkkul in https://github.com/weaviate/weaviate/pull/11615

Refactoring & Code Quality

• chore: change main Weaviate version to v1.38.0-dev by @antas-marcin in https://github.com/weaviate/weaviate/pull/11065
• Disable compactions in backup test by @dirkkul in https://github.com/weaviate/weaviate/pull/11082
• Exclude auto-generated files in orca by @dirkkul in https://github.com/weaviate/weaviate/pull/11107
• chore(test): fix flakey tests TestRaftEndpoints TestSnapshotRestoreSchemaOnly by @moogacs in https://github.com/weaviate/weaviate/pull/11116
• test: automate QA'ing pull requests by @antas-marcin in https://github.com/weaviate/weaviate/pull/11232
• chore: pass current user as assignee in qa_pr.sh script by @antas-marcin in https://github.com/weaviate/weaviate/pull/11269
• feat: add possibility to pass e2e and chaos branch names to qa_pr.sh script by @antas-marcin in https://github.com/weaviate/weaviate/pull/11290
• chore: add support for multiarch PR docker images in qa_pr.sh script by @antas-marcin in https://github.com/weaviate/weaviate/pull/11291
• feat: create simple create_release.sh script by @antas-marcin in https://github.com/weaviate/weaviate/pull/11301
• release: add QA option to create_release.sh script by @antas-marcin in https://github.com/weaviate/weaviate/pull/11314
• tools/dev: add release.sh release driver by @mpartipilo in https://github.com/weaviate/weaviate/pull/11241
• chore: remove release.sh script by @antas-marcin in https://github.com/weaviate/weaviate/pull/11367
• chore: modify create_release.sh script output by @antas-marcin in https://github.com/weaviate/weaviate/pull/11368
• chore: don't log issue link in qa_pr.sh script by @antas-marcin in https://github.com/weaviate/weaviate/pull/11504
• Dynamic runtime list parsing by @dirkkul in https://github.com/weaviate/weaviate/pull/11605
• Use flat index to assert brute force search by @dirkkul in https://github.com/weaviate/weaviate/pull/11608
• fix: increase retry wait time and reduce timeout for Docker Hub login by @amourao in https://github.com/weaviate/weaviate/pull/11610
• Speed up rbac authz tests by @dirkkul in https://github.com/weaviate/weaviate/pull/11607
• Ensure test errors are correctly logged to aid debugging by @tsmith023 in https://github.com/weaviate/weaviate/pull/11611
• Reuse testcontainers in tests for fast group 3 by @dirkkul in https://github.com/weaviate/weaviate/pull/11612
• More test speedups by reusing containers by @dirkkul in https://github.com/weaviate/weaviate/pull/11619

Testing

• test(acceptance): make Weaviate host/port configurable via env vars by @mpartipilo in https://github.com/weaviate/weaviate/pull/11153
• test/docker: per-network subnet with retry to fix concurrent network overlap by @etiennedi in https://github.com/weaviate/weaviate/pull/11520

CI/CD & Infrastructure

• ci: delegate SHA-pinning to native policy, expose unicode scan as composite by @mpartipilo in https://github.com/weaviate/weaviate/pull/11093
• Fix linter errors after CI update by @dirkkul in https://github.com/weaviate/weaviate/pull/11188
• ci: switch docker image PR builds and docker report CI jobs to use Ubicloud runners by @antas-marcin in https://github.com/weaviate/weaviate/pull/11258
• fix(ci): disable job reruns for dependabot PR's by @antas-marcin in https://github.com/weaviate/weaviate/pull/11259
• fix(ci): use github's ubuntu-24.04-arm runner for PR ARM docker image build by @antas-marcin in https://github.com/weaviate/weaviate/pull/11261
• fix: docker login and dowload retry by @amourao in https://github.com/weaviate/weaviate/pull/11599
• ci: introduce fast group 5 tests by @antas-marcin in https://github.com/weaviate/weaviate/pull/11622
• ci(docker): switch docker pipelines to use Ubicloud's premium runners by @antas-marcin in https://github.com/weaviate/weaviate/pull/11641
• ci: switch back multi-arch docker image build pipeline to ubuntu-latest by @antas-marcin in https://github.com/weaviate/weaviate/pull/11646

Security

• cluster(raft): add basic auth support to Raft cluster endpoints by @antas-marcin in https://github.com/weaviate/weaviate/pull/11242

Dependencies

• dependencies(update): bump github.com/buger/jsonparser from 1.1.2 to 1.2.0 by @dependabot[bot] in https://github.com/weaviate/weaviate/pull/11184
• dependencies(update): bump github.com/Azure/azure-sdk-for-go/sdk/storage/azblob from 1.6.3 to 1.6.4 by @dependabot[bot] in https://github.com/weaviate/weaviate/pull/11183
• Bump github/codeql-action from 4.35.1 to 4.35.3 by @dependabot[bot] in https://github.com/weaviate/weaviate/pull/11187
• dependencies(update): bump golang.org/x/net from 0.52.0 to 0.53.0 by @dependabot[bot] in https://github.com/weaviate/weaviate/pull/11181
• build(deps): bump goreleaser/goreleaser-action from 7.0.0 to 7.2.1 by @dependabot[bot] in https://github.com/weaviate/weaviate/pull/11138
• chore(deps): bump actions/cache from 5.0.4 to 5.0.5 by @dependabot[bot] in https://github.com/weaviate/weaviate/pull/11090
• dependencies(update): adjust dependencies is Go sub projects by @antas-marcin in https://github.com/weaviate/weaviate/pull/11189
• chore(deps): bump aws-actions/configure-aws-credentials from 6.1.0 to 6.1.1 by @dependabot[bot] in https://github.com/weaviate/weaviate/pull/11252
• chore(deps): bump github/codeql-action from 4.35.3 to 4.35.4 by @dependabot[bot] in https://github.com/weaviate/weaviate/pull/11251
• Bump docker/setup-buildx-action from 4.0.0 to 4.1.0 by @dependabot[bot] in https://github.com/weaviate/weaviate/pull/11441
• Bump psf/black from 26.3.1 to 26.5.1 by @dependabot[bot] in https://github.com/weaviate/weaviate/pull/11445
• Bump github/codeql-action from 4.35.4 to 4.36.0 by @dependabot[bot] in https://github.com/weaviate/weaviate/pull/11444
• Bump codecov/codecov-action from 6.0.0 to 6.0.1 by @dependabot[bot] in https://github.com/weaviate/weaviate/pull/11443
• Bump goreleaser/goreleaser-action from 7.2.1 to 7.2.2 by @dependabot[bot] in https://github.com/weaviate/weaviate/pull/11442
• chore(deps): adjust go.sum by @antas-marcin in https://github.com/weaviate/weaviate/pull/11483

New Contributors

• @MukundaKatta made their first contribution in https://github.com/weaviate/weaviate/pull/11046
• @SAY-5 made their first contribution in https://github.com/weaviate/weaviate/pull/11087
• @anishesg made their first contribution in https://github.com/weaviate/weaviate/pull/11120
• @jpsoultanis-kapa made their first contribution in https://github.com/weaviate/weaviate/pull/11277
• @dillonledoux made their first contribution in https://github.com/weaviate/weaviate/pull/11298
• @oab24413gmai made their first contribution in https://github.com/weaviate/weaviate/pull/11299
• @kedar49 made their first contribution in https://github.com/weaviate/weaviate/pull/11381
• @3em0 made their first contribution in https://github.com/weaviate/weaviate/pull/11393
• @msnandhis made their first contribution in https://github.com/weaviate/weaviate/pull/11471

Full Changelog: https://github.com/weaviate/weaviate/compare/v1.37.0...v1.38.0