v0.2.0

🚀 Zvec v0.2.0 Release Notes

A major update focused on optimization, platform expansion, and developer experience improvements.

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📦 Core Features & Improvements

• Support AI extension framework for on-device embedding workflows (#88)
• Auto-scalable segment metadata in MMap storage files (#67)
• Unified search invocation interface in core (#15)
• Linux ARM64 build support (#71)
• Silent failure on repeated initialization attempts (#79)

🐞 Bug Fixes

• Fixed delete_by_filter logic using key instead of index (#84, #87)
• Corrected quantized int unit tests (#47)
• Removed unnecessary column_name param from AddColumn API (#59)
• Fixed typos in HNSW index implementation (#50)
• Removed redundant error expectations in tests (#82)
• Cleaned up unused ailego module (#85)

🔧 Developer Experience

• Replaced typing_extensions with standard typing (Python ≥3.10) (#99)
• Improved C++ error logging via LOG_ERROR instead of cerr (#80)
• Updated docstrings and .pyi stubs for Python bindings (#41)
• Removed obsolete IndexMeta::MetricType definition (#53)
• Added C++ examples to macOS/Linux CI matrix (#86)

🤖 CI/CD & Tooling

• Support CI runs for forked PRs (#52)
• Skip CI on Markdown-only changes (#55)
• Added issue templates for better community support (#46)
• Updated CMake minimum version requirement (#44, #57)
• Bench tool documentation refresh (#77)

📚 Documentation

• Updated README badges and join-us section (#45, #54)

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👋 New Contributors

• @SYaoJun — first contribution (#50)

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Full Changelog: v0.1.1...v0.2.0
Upgrade Recommendation: ✅ Recommended for all users — includes critical performance and stability improvements.

v0.1.1

Breaking Changes

Rebuild Required: After updating to this version, all indexes must be rebuilt.

• refactor: clarify HNSW 'm' as max neighbors of upper layer by @JalinWang in #12
• refactor: set HNSW 'scaling_factor' default to 'm' instead of 50 by @iaojnh in #17
• refactor: flat param string cleanup by @JalinWang in #28
• fix: flat support more segments by @JalinWang in #32

What's Changed

• Chore/add codecov badge by @Cuiyus in #9
• fix(sqlengine): reduce memory reserve size when topk is too big by @egolearner in #10
• fix: fix cpu detect by @richyreachy in #14
• chore(ci): fix ci serurity and add build wheels for test pypi by @Cuiyus in #16
• minor: update Readme with discord link and benchmarks by @zhourrr in #19
• chore(ci): modify setuptools cm for test pypi and support cancel in progress by @Cuiyus in #21
• fix: fix default m by @egolearner in #20
• chore: support build arrow with debug by @egolearner in #11
• upd mmap segment_meta_capacity by @iaojnh in #24
• fix: fix and refact segment fetch perf by @chinaux in #26
• feat: refact cpp sdk by @feihongxu0824 in #27
• minor: fix some debug strings by @zhourrr in #31
• fix: remove empty files by @richyreachy in #33
• fix(docs): update discord invite link in readme by @Cuiyus in #35
• refactor: flat param string cleanup by @JalinWang in #28
• fix: flat support more segments by @JalinWang in #32
• fix: local_builder DisableIdMap=true auto set streamer params by @JalinWang in #34
• hot fix: local builder should use new flat param string by @JalinWang in #37
• feat: support core cpp sdk by @feihongxu0824 in #30
• Update README.md by @zhourrr in #36
• fix: fix MemoryReadStorage read by MemoryBlock by @egolearner in #38
• hotfix: ci will build tools & fix local_builder by @JalinWang in #39

New Contributors

• @egolearner made their first contribution in #10
• @richyreachy made their first contribution in #14
• @JalinWang made their first contribution in #12
• @iaojnh made their first contribution in #17
• @chinaux made their first contribution in #26

Full Changelog: v0.1.0...v0.1.1

v0.1.0

What's Changed

• minor: update readme by @zhourrr in #2
• chore:add git commit msg and branch name in pre-commit and modify org by @Cuiyus in #1
• feat(core): support cpu flag detect & dispatch by @feihongxu0824 in #3
• chore(cmake): auto detect cpu arch flag in cmake and rm redundant option by @feihongxu0824 in #5
• chore: release to pypi by @Cuiyus in #6
• chore: add pypi badge by @Cuiyus in #7

New Contributors

• @zhourrr made their first contribution in #2
• @Cuiyus made their first contribution in #1
• @feihongxu0824 made their first contribution in #3

Full Changelog: https://github.com/alibaba/zvec/commits/v0.1.0