MatrixOne Files

Release date: Sep 26 2025 MatrixOne version: v3.0.1

MatrixOne 3.0.1 introduces improvements and bug fixes that enhance system performance, stability, and usability. Below are the major updates.

Key Improvements

1.Support select score from the vector table 2.Improve ALTER TABLE performance

Bugfix

1.Fix cdc some bugs 2.Fix clone some bugs 3.Fix create hnsw index oom bugs 4.Fix hnsw and ivf index score bugs

What's Changed

• allow queries selecting distance to use vector index by @aunjgr in https://github.com/matrixorigin/matrixone/pull/22426
• add bvt and ut for inner/left join 3.0 by @aptend in https://github.com/matrixorigin/matrixone/pull/22365
• fore next after StaleReadErr by @jiangxinmeng1 in https://github.com/matrixorigin/matrixone/pull/22432
• add clone case to 3.0-dev by @Ariznawlll in https://github.com/matrixorigin/matrixone/pull/22420
• to 3.0: clone with snapshot should match the snapshot level and owner by @gouhongshen in https://github.com/matrixorigin/matrixone/pull/22429
• to 3.0: apply cow to indexes if the primary key and indexed columns are not modified when ALTER TABLE by @gouhongshen in https://github.com/matrixorigin/matrixone/pull/22385
• fix oltp query performance degradation to 3.0-dev by @XuPeng-SH in https://github.com/matrixorigin/matrixone/pull/22454
• Add Force GC& GC Details& GC Verify&Fix bug by @LeftHandCold in https://github.com/matrixorigin/matrixone/pull/22459
• to 3.0: fix: uncleaned files after creating and dropping a table within a transaction. by @gouhongshen in https://github.com/matrixorigin/matrixone/pull/22463
• reduce insert batch to prevent create hnsw index from oom by @iamlinjunhong in https://github.com/matrixorigin/matrixone/pull/22469
• Change the right join to inner join in fulltext and ivf deletion plan 3.0 by @aptend in https://github.com/matrixorigin/matrixone/pull/22478
• to 3.0: delete files after merging deletions on objects. by @gouhongshen in https://github.com/matrixorigin/matrixone/pull/22489
• Fix partition changes handle by @jiangxinmeng1 in https://github.com/matrixorigin/matrixone/pull/22491
• to 3.0: fix dup in data clone by @gouhongshen in https://github.com/matrixorigin/matrixone/pull/22496
• to 3.0: fix the data clone that cannot rollback. by @gouhongshen in https://github.com/matrixorigin/matrixone/pull/22499
• update cdc by @jiangxinmeng1 in https://github.com/matrixorigin/matrixone/pull/22501
• fix runtime filter message tag by @aunjgr in https://github.com/matrixorigin/matrixone/pull/22516
• fix cdc bugs by @jiangxinmeng1 in https://github.com/matrixorigin/matrixone/pull/22513
• fix leak of waiter by @iamlinjunhong in https://github.com/matrixorigin/matrixone/pull/22534
• update create sql by @jiangxinmeng1 in https://github.com/matrixorigin/matrixone/pull/22540
• 3.0 dev convert l2sq score to l2 score for hnsw and ivfflat by @cpegeric in https://github.com/matrixorigin/matrixone/pull/22543

Full Changelog: https://github.com/matrixorigin/matrixone/compare/v3.0.0...v3.0.1