# Weaviate v1.39.1 — v1.39.1 - Search REST endpoints, async replication & LSM performance, Backup, Geo & Usage module fixes

- Product: Weaviate (https://whatsnew.fyi/product/weaviate)
- Vendor: Weaviate
- Date: 2026-08-25
- Version: v1.39.1
- Original notes: https://github.com/weaviate/weaviate/releases/tag/v1.39.1
- Permalink: https://whatsnew.fyi/product/weaviate/releases/v1.39.1

What's New is an index, not a publisher: every entry below links to the vendor's own release notes, which are the authoritative source. Entries are labelled where they are hand-curated sample data, pre-releases, or drawn from a secondary source such as a developer blog.

Reuse: the summaries, labels and curation here are © What's New. Quote freely with attribution and a link back; wholesale republication of the corpus is not permitted — terms: https://whatsnew.fyi/terms. The vendors' own release notes remain their publishers'.

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- **fixed** — Resolve replicas locally in async replication without implicitly activating a tenant
- **fixed** — Refresh the memory monitor while shards are read-only
- **deprecated** — Non-hardlink backup fallback is deprecated and will be removed in v1.40
- **fixed** — Return the gRPC query profile when a query matches no objects
- **fixed** — Stop worker-pool grow path leaking goroutines in async replication
- **fixed** — Restore shard after a failed tenant freeze in async replication
- **removed** — Remove the unused shardReindexerV3 scheduler
- **fixed** — Clean up partial HNSW commit log on aborted flat->HNSW upgrade
- **changed** — Pool zstd encoders in backups
- **fixed** — Never store a partially written chunk in backups
- **changed** — Parallelize rescoring with budget-aware workers in hfresh
- **changed** — Read rescore vectors through one bucket view with pooled buffers in hfresh
- **fixed** — Return explicit bm25 b/k1 values of 0 in schema responses
- **added** — Add RUNTIME_REINDEX_ENABLED kill switch off by default
- **changed** — Resume interrupted strips from the recorded pending set in drop-vector-index
- **changed** — Size hashbeat digest buffers by set count, not leaf count in async replication
- **changed** — Warm the version map in the background at startup in hfresh
- **fixed** — Report the tenant's pre-freeze status on an aborted freeze
- **added** — Introduce includeRoles to backup and restore process
- **added** — Add opt-in gRPC transport for Backup-gcs

##### Breaking Changes 
*none*

##### New Features
*none*

##### Fixes
* async replication: resolve replicas locally, never implicitly activate a tenant by @jeroiraz in https://github.com/weaviate/weaviate/pull/12256
* Refresh the memory monitor while shards are read-only by @dirkkul in https://github.com/weaviate/weaviate/pull/12468
* docs(backup): mark the non-hardlink backup fallback as deprecated (removed in v1.40) by @etiennedi in https://github.com/weaviate/weaviate/pull/12469
* fix: return the gRPC query profile when a query matches no objects by @etiennedi in https://github.com/weaviate/weaviate/pull/12381
* Use direct map acces for shard movement teardown by @dirkkul in https://github.com/weaviate/weaviate/pull/12467
* fix(tools): adapt qa_pr.sh log fetch to gh >= 2.97 escape-sequence guard by @antas-marcin in https://github.com/weaviate/weaviate/pull/12462
* fix(async-repl): stop worker-pool grow path leaking goroutines by @jeroiraz in https://github.com/weaviate/weaviate/pull/12107
* fix(async-repl): restore shard after a failed tenant freeze by @jeroiraz in https://github.com/weaviate/weaviate/pull/12108
* test(replication): wait for shard readiness after restart across read_repair suite by @jeroiraz in https://github.com/weaviate/weaviate/pull/12466
* Remove the unused shardReindexerV3 scheduler by @etiennedi in https://github.com/weaviate/weaviate/pull/12478
* fix(dynamic): clean up partial HNSW commit log on aborted flat->HNSW upgrade (v1.37) by @asdine in https://github.com/weaviate/weaviate/pull/12420
* Pool zstd encoders in backups by @dirkkul in https://github.com/weaviate/weaviate/pull/12477
* Backups: never store a partially written chunk by @dirkkul in https://github.com/weaviate/weaviate/pull/12463
* perf(hfresh): parallelize rescoring with budget-aware workers by @asdine in https://github.com/weaviate/weaviate/pull/12487
* perf(hfresh): read rescore vectors through one bucket view with pooled buffers by @asdine in https://github.com/weaviate/weaviate/pull/12490
* fix(schema): return explicit bm25 b/k1 values of 0 in schema responses by @amourao in https://github.com/weaviate/weaviate/pull/12489
* hotfix: RUNTIME_REINDEX_ENABLED kill switch (off by default) by @etiennedi in https://github.com/weaviate/weaviate/pull/12491
* lsmkv: stop CheckExpectedStrategy from heap-allocating its variadic slice by @dirkkul in https://github.com/weaviate/weaviate/pull/12494
* feat(drop-vector-index): resume interrupted strips from the recorded pending set by @antas-marcin in https://github.com/weaviate/weaviate/pull/12442
* Remove TestReadSnapshotBufferAllocation which was flaky by @dirkkul in https://github.com/weaviate/weaviate/pull/12493
* perf(async-repl): size hashbeat digest buffers by set count, not leaf count by @jeroiraz in https://github.com/weaviate/weaviate/pull/12481
* Read the dimensions bucket once per usage sweep by @dirkkul in https://github.com/weaviate/weaviate/pull/12503
* perf(hfresh): warm the version map in the background at startup by @asdine in https://github.com/weaviate/weaviate/pull/12504
* Report the tenant's pre-freeze status on an aborted freeze by @dirkkul in https://github.com/weaviate/weaviate/pull/12508
* Unmarshal namespace snapshot outside of lock by @dirkkul in https://github.com/weaviate/weaviate/pull/12506
* Size the roaringsetrange pread read buffer from the segment payload by @dirkkul in https://github.com/weaviate/weaviate/pull/12499
* fix(modules): skip vectorizing named vectors whose index is mid-drop by @jfrancoa in https://github.com/weaviate/weaviate/pull/12498
* feat(backups): introduce `includeRoles` to backup/restore process by @tsmith023 in https://github.com/weaviate/weaviate/pull/12322
* fix flaky teardown in async replication acceptance suites by @jeroiraz in https://github.com/weaviate/weaviate/pull/12520
* Backup-gcs: add opt-in gRPC transport by @dirkkul in https://github.com/weaviate/weaviate/pull/12447
* fix(batch): report on

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