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Name	Modified	Size	InfoDownloads / Week
Parent folder
README.md	2026-02-05	17.3 kB	0
v2.0.0 source code.tar.gz	2026-02-05	14.5 MB	0
v2.0.0 source code.zip	2026-02-05	15.3 MB	0
Totals: 3 Items		29.8 MB	0

What's Changed

Breaking Changes 🛠

fix!: null handling when using NOT with scalar indices by @wjones127 in https://github.com/lance-format/lance/pull/5270
feat!: track cumulative wall time in analyze plan by @wkalt in https://github.com/lance-format/lance/pull/5505
fix!: check metric compatibility before using vector index by @wjones127 in https://github.com/lance-format/lance/pull/5609
feat!: define default index name and return IndexMetadata after building index by @wjones127 in https://github.com/lance-format/lance/pull/5645
feat!: make v2 manifest default by @wojiaodoubao in https://github.com/lance-format/lance/pull/5656
refactor!: introduce storage options accessor by @jackye1995 in https://github.com/lance-format/lance/pull/5728

New Features 🎉

feat: support using FTS as a filter in vector search by @wojiaodoubao in https://github.com/lance-format/lance/pull/4928
feat: support when_matched_delete in merge_insert by @jtuglu1 in https://github.com/lance-format/lance/pull/4939
feat: add support for large minichunk size (u32) in format v2.2 by @niyue in https://github.com/lance-format/lance/pull/4959
feat: support GEO RTree index by @ddupg in https://github.com/lance-format/lance/pull/5034
feat: support global tag retrieval and improve tag api by @majin1102 in https://github.com/lance-format/lance/pull/5088
feat: support create vector index distributedly by @chenghao-guo in https://github.com/lance-format/lance/pull/5117
feat: support add sub-column to struct col by @wojiaodoubao in https://github.com/lance-format/lance/pull/5126
feat: distributed range-based BTree index by @steFaiz in https://github.com/lance-format/lance/pull/5202
feat: strategized plan compaction by @zhangyue19921010 in https://github.com/lance-format/lance/pull/5233
feat: dataset supports deep_clone by @majin1102 in https://github.com/lance-format/lance/pull/5250
feat: cleanup only scan managed files by @majin1102 in https://github.com/lance-format/lance/pull/5338
feat: support map data type in lance format version 2.2 by @xloya in https://github.com/lance-format/lance/pull/5349
feat: add RTree index spec in table format by @ddupg in https://github.com/lance-format/lance/pull/5360
feat(java): support row lineage and cdf apis by @yanghua in https://github.com/lance-format/lance/pull/5362
feat: disable default features on internal use by @valkum in https://github.com/lance-format/lance/pull/5372
feat(cdf): support set start/end timestamp in cdf by @zhangyue19921010 in https://github.com/lance-format/lance/pull/5378
feat(blob_v2): add external blob support by @Xuanwo in https://github.com/lance-format/lance/pull/5385
feat(blob_v2): add dedicated blob support by @Xuanwo in https://github.com/lance-format/lance/pull/5406
feat: fallback to CPU if GPU accelerating is unavailable by @BubbleCal in https://github.com/lance-format/lance/pull/5407
feat(blob_v2): add packed blob support by @Xuanwo in https://github.com/lance-format/lance/pull/5413
feat: allow python tracing / logging to be independently configured by @westonpace in https://github.com/lance-format/lance/pull/5415
feat: add additional index APIs to support count rows split plan by @jackye1995 in https://github.com/lance-format/lance/pull/5447
feat(java): support multi-bases for writing database by @ddupg in https://github.com/lance-format/lance/pull/5450
feat(blob_v2): add BlobAray API for user input by @Xuanwo in https://github.com/lance-format/lance/pull/5451
feat: upgrade lance-namespace to 0.3.1 and add missing apis by @jackye1995 in https://github.com/lance-format/lance/pull/5457
feat(python): support cleanup_with_policy by @ddupg in https://github.com/lance-format/lance/pull/5458
feat: support dropping sub-column of list(struct) by @wojiaodoubao in https://github.com/lance-format/lance/pull/5469
feat(blob_v2): add GC support by @Xuanwo in https://github.com/lance-format/lance/pull/5473
feat: add py.typed marker file by @jonded94 in https://github.com/lance-format/lance/pull/5479
feat(python): expose the distance_range param in the Python scanner nearest config by @xloya in https://github.com/lance-format/lance/pull/5486
feat(java): simplify the use of optional in jni by @ddupg in https://github.com/lance-format/lance/pull/5488
feat(blob_v2): add Python API for Blob v2 by @Xuanwo in https://github.com/lance-format/lance/pull/5491
feat(python): add DatasetBasePath stub to improve IDE hints by @ddupg in https://github.com/lance-format/lance/pull/5503
feat(memtest): add macos support by @Xuanwo in https://github.com/lance-format/lance/pull/5510
feat(java): add full text search api by @wojiaodoubao in https://github.com/lance-format/lance/pull/5563
feat: support credentials vending in directory namespace by @jackye1995 in https://github.com/lance-format/lance/pull/5566
feat: upgrade lance-namespace to 0.4.0 by @jackye1995 in https://github.com/lance-format/lance/pull/5568
feat: add skip_merge for FTS index build by @BubbleCal in https://github.com/lance-format/lance/pull/5570
feat(java): add builder-style scalar index params by @wojiaodoubao in https://github.com/lance-format/lance/pull/5581
feat: optimize rle implementation by @Xuanwo in https://github.com/lance-format/lance/pull/5586
feat: support FixedSizeList<Struct> by @wkalt in https://github.com/lance-format/lance/pull/5593
feat: add dictionary encoding for 64bit types like int64/double by @Xuanwo in https://github.com/lance-format/lance/pull/5594
feat: support merge_insert with source dedupe on first seen value by @jackye1995 in https://github.com/lance-format/lance/pull/5603
feat: support truncate table api by @zhangyue19921010 in https://github.com/lance-format/lance/pull/5604
feat: add Error::External variant for preserving user errors by @wjones127 in https://github.com/lance-format/lance/pull/5606
feat: upgrade lance-namespace to 0.4.5 by @jackye1995 in https://github.com/lance-format/lance/pull/5611
feat: refactor use of Error::io by @lichuang in https://github.com/lance-format/lance/pull/5612
feat(java): add detached flag to commitTransaction by @wojiaodoubao in https://github.com/lance-format/lance/pull/5626
feat: add parts_searched metrics for FTS by @BubbleCal in https://github.com/lance-format/lance/pull/5627
feat: improve the random access file benchmark by @westonpace in https://github.com/lance-format/lance/pull/5628
feat(oss): add sts token support for aliyun oss via storage_options by @hh23485 in https://github.com/lance-format/lance/pull/5632
feat: merge-insert with primary key dedupe by @jackye1995 in https://github.com/lance-format/lance/pull/5633
feat(java): expose index description and statistics by @majin1102 in https://github.com/lance-format/lance/pull/5655
feat: allow configure temp dir size for datafusion exec by @jackye1995 in https://github.com/lance-format/lance/pull/5659
feat(java): add support for optimizing indices by @majin1102 in https://github.com/lance-format/lance/pull/5663
feat: make on arg optional for merge insert api by @yanghua in https://github.com/lance-format/lance/pull/5667
feat: make OneShotPartitionStream pub by @timsaucer in https://github.com/lance-format/lance/pull/5672
feat: support array_contains in LabelList scalar index by @fenfeng9 in https://github.com/lance-format/lance/pull/5681
feat: add order to primary key by @touch-of-grey in https://github.com/lance-format/lance/pull/5683
feat: use independent region manifest for MemWAL by @touch-of-grey in https://github.com/lance-format/lance/pull/5689
feat: add stats() method to ObjectStoreRegistry by @wkalt in https://github.com/lance-format/lance/pull/5706
feat: support dynamic context for lance namespace by @jackye1995 in https://github.com/lance-format/lance/pull/5710
feat: make blob v2 dedicated threshold configurable by @yanghua in https://github.com/lance-format/lance/pull/5719
feat: cleanup partial idx files when merging distributed vector index by @yanghua in https://github.com/lance-format/lance/pull/5729
feat: expose blob handling APIs to python by @Xuanwo in https://github.com/lance-format/lance/pull/5790
feat: add blob handling support for fragment by @Xuanwo in https://github.com/lance-format/lance/pull/5801

Bug Fixes 🐛

fix: correct null_count aggregation in boolean statistics collection by @YinZheng-Sun in https://github.com/lance-format/lance/pull/4839
fix: remove logging for project_batch by @westonpace in https://github.com/lance-format/lance/pull/5267
fix: stop documenting FTS index type, standardize on INVERTED by @mackrorysd in https://github.com/lance-format/lance/pull/5315
fix: don't allow change blob version during update by @Xuanwo in https://github.com/lance-format/lance/pull/5386
fix: take_blobs_by_indices fails with stable row IDs on fragment 1+ by @jmhsieh in https://github.com/lance-format/lance/pull/5392
fix: respect index metric when user overrides by @BubbleCal in https://github.com/lance-format/lance/pull/5395
fix: remove expensive clone in bitmap search by @westonpace in https://github.com/lance-format/lance/pull/5409
fix: fix vector index prewarm index by @xloya in https://github.com/lance-format/lance/pull/5412
fix: panic unwrap on None in decoder.rs by @camilesing in https://github.com/lance-format/lance/pull/5424
fix: dir namespace cloud storage path removes one subdir level by @jackye1995 in https://github.com/lance-format/lance/pull/5464
fix: make column name lookups case-insensitive by @wjones127 in https://github.com/lance-format/lance/pull/5465
fix: ensure trailing slash is normalized in rest adapter by @jackye1995 in https://github.com/lance-format/lance/pull/5499
fix(java): support FixedSizeList for java LanceField by @fangbo in https://github.com/lance-format/lance/pull/5509
fix: head external manifest object happend 404 NotFound error by @hushengquan in https://github.com/lance-format/lance/pull/5512
fix: json's arrow extension metadata missing by @Xuanwo in https://github.com/lance-format/lance/pull/5527
fix: infer multivector sampling rows by @BubbleCal in https://github.com/lance-format/lance/pull/5534
fix: support ManifestNamingSchemeV2 with unordered object stores by @wjones127 in https://github.com/lance-format/lance/pull/5539
fix: merge_insert uses full schema path for reordered columns by @wjones127 in https://github.com/lance-format/lance/pull/5541
fix: allow storage options provider without expires_at_millis by @jackye1995 in https://github.com/lance-format/lance/pull/5542
fix(ci): use pull_request_target for fork PR reviews by @wjones127 in https://github.com/lance-format/lance/pull/5544
fix: restore decrease max_fragment_id in manifest by @majin1102 in https://github.com/lance-format/lance/pull/5554
fix: improve error handling for environment variable parsing by @XuQianJin-Stars in https://github.com/lance-format/lance/pull/5560
fix: panic when lance.auto_cleanup.interval is set to 0 by @majin1102 in https://github.com/lance-format/lance/pull/5571
fix(python): correct type hint for to_tensor_fn parameter by @AndreaBozzo in https://github.com/lance-format/lance/pull/5577
fix: avoid panic while hitting non-null empty multi-vector by @Xuanwo in https://github.com/lance-format/lance/pull/5588
fix: filter garbage entries from null maps during encoding by @wkalt in https://github.com/lance-format/lance/pull/5591
fix: reduce verbosity of errors due to string conversion by @wjones127 in https://github.com/lance-format/lance/pull/5600
fix: remove imports that are not needed by @westonpace in https://github.com/lance-format/lance/pull/5651
fix: allow nearest applied in default_scan_options by @chenghao-guo in https://github.com/lance-format/lance/pull/5666
fix: trait Array has been sealed in arrow new version by @Xuanwo in https://github.com/lance-format/lance/pull/5690
fix: project_by_schema now reorders fields inside List<Struct> types by @wjones127 in https://github.com/lance-format/lance/pull/5703
fix: allocate too much memory for block max scores by @BubbleCal in https://github.com/lance-format/lance/pull/5718
docs: in dataset.rs, fix comment for get_fragments by @cmccabe in https://github.com/lance-format/lance/pull/5724
fix(python): close SQLite connections in BatchUDFCheckpoint by @wjones127 in https://github.com/lance-format/lance/pull/5733
fix: remove credential vending features from python and java bindings by @jackye1995 in https://github.com/lance-format/lance/pull/5737
fix: allow unused_unsafe for __cpuid to support both stable and nightly by @jackye1995 in https://github.com/lance-format/lance/pull/5793
fix: fix remap so that it handles deletions correctly by @westonpace in https://github.com/lance-format/lance/pull/5828