v2.0.0

What's Changed

Version 2.0.0 changes the default MinHash permutation scheme to "affine32", which fixes a similarity over-estimation bias on large sets (#212), halves sketch memory, and speeds up updates by roughly 4x. A 64-bit "affine64" scheme is available for billion-scale sets. Hash values differ from earlier versions: rebuild persisted sketches and LSH indexes, or pass MinHash(..., scheme="legacy") to interoperate with existing data. See the MinHash documentation for details.

• Fix WeightedMinHash input mutation by @dipeshbabu in #317
• Preserve custom hash functions in sketch unions by @dipeshbabu in #318
• Bump actions/checkout from 6 to 7 by @dependabot[bot] in #322
• Add affine MinHash permutation schemes; refresh benchmarks and docs by @ekzhu in #323
• Bump codecov/codecov-action from 6 to 7 by @dependabot[bot] in #321
• Bump pillow from 11.3.0 to 12.2.0 in the uv group across 1 directory by @dependabot[bot] in #324

Full Changelog: v1.10.0...v2.0.0

v1.10.0

What's Changed

• Update hash function to use unsigned 32-bit integer by @davidlowryduda in #304
• Bump pypa/gh-action-pypi-publish from 1.13.0 to 1.14.0 by @dependabot[bot] in #308
• Bump codecov/codecov-action from 5 to 6 by @dependabot[bot] in #306
• Fix buffered MinHashLSH query aggregation across storage backends by @dipeshbabu in #307
• Pin transitive dependencies to avoid dependabot uv.lock-only PRs by @ekzhu in #312
• Move AsyncMinHashLSH from experimental to datasketch.aio by @ekzhu in #314
• Bump version from 1.9.0 to 1.10.0 by @ekzhu in #315
• Add Python 3.10+ version constraints and GitHub workflow permissions by @ekzhu in #316

New Contributors

• @davidlowryduda made their first contribution in #304

Full Changelog: v1.9.0...v1.10.0

v1.9.0

What's Changed

• Bump actions/checkout from 5 to 6 by @dependabot[bot] in #294
• Match async Redis interface with sync + introduce aioredis integration tests by @Varun0157 in #293
• chore: add Python 3.13 to CI workflow matrix by @bhimrazy in #295
• Add code coverage support with pytest-cov and Codecov integration by @bhimrazy in #296
• chore: remove Travis CI configuration and related scripts by @bhimrazy in #298
• chore: add pyright type checking and ci checks for it by @bhimrazy in #280
• Bump version from 1.8.0 to 1.9.0 by @ekzhu in #299

Full Changelog: v1.8.0...v1.9.0

v1.8.0

What's Changed

• Feature: implement MinHashLSHDeletionSession to speed up key deletions by @Varun0157 in #272
• [BREAKING] Migrate to uv package management and also update CI/CD by @bhimrazy in #271
• Fix: link check failure occurring in the master branch. by @bhimrazy in #276
• Docs: update environment setup instructions and remove .python-version by @bhimrazy in #277
• Bump supercharge/mongodb-github-action from 1.8.0 to 1.12.0 by @dependabot[bot] in #279
• Bump actions/checkout from 4 to 5 by @dependabot[bot] in #278
• Fix: allow prepickle to be False for Redis storage by @Varun0157 in #274
• Update version to 1.7.1 by @ekzhu in #281
• Fix formatting in README by @bhimrazy in #283
• Bump python version in README by @dipeshbabu in #285
• Fix: replace buffer with memoryview for compatibility by @bhimrazy in #289
• Fix: Introduce Redis integration tests + resolve key type disparity across Redis and Cassandra by @Varun0157 in #284
• Bump supercharge/mongodb-github-action from 1.12.0 to 1.12.1 by @dependabot[bot] in #291
• Feature: optional CuPy backend for MinHash.update_batch by @dipeshbabu in #286
• Fix: use of perf_counter() instead of deprecated clock() in time module by @dipeshbabu in #290
• Bump version from 1.7.1 to 1.8.0 by @ekzhu in #292

New Contributors

• @Varun0157 made their first contribution in #272
• @dipeshbabu made their first contribution in #285

Full Changelog: v1.7.0...v1.8.0

v1.7.0

What's Changed

• Fix bBitMinHash NumPy pickling issue by @123epsilon in #248
• chore: Add Dependabot configuration by @bhimrazy in #253
• fix(dependabot): drop versioning strategy by @bhimrazy in #255
• Bump actions/setup-python from 4 to 6 by @dependabot[bot] in #259
• Bump supercharge/mongodb-github-action from 1.8.0 to 1.12.0 by @dependabot[bot] in #260
• Bump actions/checkout from 3 to 5 by @dependabot[bot] in #262
• Migrate pypi.yml workflow to Trusted Publisher with updated actions by @Copilot in #263
• Add CODEOWNERS file for .github directory by @Copilot in #265
• Convert pypi.yml to manual workflow with tag-based deployment by @Copilot in #266
• chore: Add PR template by @bhimrazy in #258
• [BREAKING] Dropping nominal support for 3.7; update GitHub Actions workflow to use uv by @bhimrazy in #257
• Add LSHBloom to Datasketch by @123epsilon in #246
• Bump version from 1.6.5 to 1.7.0 by @ekzhu in #270

New Contributors

• @bhimrazy made their first contribution in #253
• @dependabot[bot] made their first contribution in #259
• @Copilot made their first contribution in #263

Full Changelog: v1.6.5...v1.7.0

v1.6.5

What's Changed

• Retrieve MinHash from LSHForest by @123epsilon in #234
• Merging (Identically Specified) MinHashLSH objects by @rupeshkumaar in #232
• Update bBitMinHash Benchmark by @123epsilon in #238

New Contributors

• @123epsilon made their first contribution in #234
• @rupeshkumaar made their first contribution in #232

Full Changelog: v1.6.4...v1.6.5

v1.6.4

What's Changed

• HNSW bug fixes by @ekzhu in #230

Full Changelog: v1.6.3...v1.6.4

v1.6.3

What's Changed

• Update docs by @ekzhu in #224
• HNSW remove() point in-place. by @ekzhu in #225
• Benchmark HNSW for Jaccard by @ekzhu in #226
• HNSW support for soft-remove and hard-remove. by @ekzhu in #227

Full Changelog: v1.6.2...v1.6.3

v1.6.2

What's Changed

• HNSW as MutableMap by @ekzhu in #223

Full Changelog: v1.6.1...v1.6.2

v1.6.1

What's Changed

• simplify reshapes by @chris-ha458 in #217
• HNSW Update Point by @ekzhu in #220
• HNSW Dict interface by @ekzhu in #221
• HNSW Doc by @ekzhu in #222

Full Changelog: v1.6.0...v1.6.1