Release 2.3a3

See https://docs.lamin.ai/changelog/2026#db-2-3-0

What's Changed

• 🔇 Do not issue track warning on clones by @Koncopd in #3573
• 💚 Install lamindb-core with deps for CI by @Koncopd in #3574
• 🐛 Fix feature collisions in lightning integration by @falexwolf in #3576
• ⚡️ Optimize DB interactions in lightning integration by @falexwolf in #3577
• ⬆️ Upgrade lamindb-setup by @Koncopd in #3578
• ⚡️ Profile ln.connect() by @falexwolf in #3581
• ✨ Improve data retrieval in MappedCollection by @mojtababahrami in #3446
• ✨ Allow users to specify partially available keys in MappedCollection and retrieve raw.X by @Koncopd in #3582
• 🚸 Re-connect rather than reset Django if no instance is configured in the environment by @falexwolf in #3580

New Contributors

• @mojtababahrami made their first contribution in #3446

Full Changelog: 2.3a2...2.3a3

Release 2.3a2

See https://docs.lamin.ai/changelog/2026#db-2-3-0

What's Changed

• 💚 Do not execute the new block in the track guide by @falexwolf in #3559
• ✨ Refresh federated AWS credentials on the botocore level by @Koncopd in #3561
• ⬆️ Bump lamin-utils by @sunnyosun in #3563
• 🐛 Fix hostdb for features getitem by @sunnyosun in #3564
• 🍱 Support CELLxGENE 7.0.0 by @Zethson in #3466
• 📝 Document agent plan tracking also in README and ln.track() API reference by @falexwolf in #3565
• ⬆️ Upgrade lamindb-setup by @Koncopd in #3566
• 📝 README v5.5: Prettified LaminDB schematic by @falexwolf in #3567
• 🏗️ Add lamindb-core to distribute lamindb without optional dependencies by @falexwolf in #3568
• ⬆️ Upgrade lamindb-setup by @Koncopd in #3569
• 👷 Add an option to install full dependencies to lamindb-core by @Koncopd in #3571

Full Changelog: 2.2.1...2.3a2

Release 2.3a1

See https://docs.lamin.ai/changelog/2026#db-2-3a1

What's Changed

• 💚 Do not execute the new block in the track guide by @falexwolf in #3559
• ✨ Refresh federated AWS credentials on the botocore level by @Koncopd in #3561
• ⬆️ Bump lamin-utils by @sunnyosun in #3563
• 🐛 Fix hostdb for features getitem by @sunnyosun in #3564
• 🍱 Support CELLxGENE 7.0.0 by @Zethson in #3466
• 📝 Document agent plan tracking also in README and ln.track() API reference by @falexwolf in #3565
• ⬆️ Upgrade lamindb-setup by @Koncopd in #3566
• 📝 README v5.5: Prettified LaminDB schematic by @falexwolf in #3567

Full Changelog: 2.2.1...2.3a1

Release 2.2.1

See https://docs.lamin.ai/changelog/2026#db-2-2-1

What's Changed

• ✅ Add a dedicated test for plan tracking by @falexwolf in #3553
• ⬆️ Upgrade lamindb-setup by @Koncopd in #3555
• 🚸 Enable defining a feature that restricts to a subset of artifacts by @falexwolf in #3554
• 🚸 Improve logging during @ln.flow() and @ln.step() by @falexwolf in #3557
• 📝 Add Change Management section to README and Agent Plans section to track guide by @falexwolf in #3558

Full Changelog: 2.2.0...2.2.1

Release 2.2.0

See https://docs.lamin.ai/changelog/2026#db-2-2-0

What's Changed

• ⚡ Speed-up lamindb import by lazily importing pandas, anndata & pyarrow by @falexwolf in #3525
• 🚸 Make it easier to query for all output artifacts including recreated ones by @falexwolf in #3526
• 🚸 Track record_type.to_dataframe() as an input for the current run by @falexwolf in #3527
• 🐛 Fix DB snapshot sync by @Zethson in #3530
• 🐛 Scope feature query by schema member types in curator by @Zethson in #3528
• 🐛 Fix bracket handling of describe by @Zethson in #3531
• 📝 Add videos to docs, polish typos and wording by @falexwolf in #3529
• ⬆️ Upgrade lamindb-setup by @Koncopd in #3533
• ⬆️ Upgrade lamindb-setup by @Koncopd in #3535
• 🐛 Fix autocomplete of datasets & curators modules by @Zethson in #3534
• ✨ Add lamin merge command, add lamin switch -c option & simplify lamin switch syntax by @falexwolf in #3532
• ⬆️ Upgrade lamindb-setup by @Koncopd in #3536
• 💄 Prettier display for dtype for Record and ULabel sub types in schema.describe() by @falexwolf in #3537
• Extend lamin describe to more entities by @falexwolf in #3538
• ✨ Add plan traceability and improve Branch data model by @falexwolf in #3539
• 🚸 Quality of life improvements for saving via the CLI: saving plans, sync with git, annotating with version tags by @falexwolf in #3540
• ✨ Enable linking a README.md to and commenting for any entity by @falexwolf in #3541
• 🗃️ Add a _status_code: int field to Branch and BaseBlock by @falexwolf in #3542
• 🗃️ Remove unnecessary BranchArtifact model by @falexwolf in #3543
• ⬆️ Upgrade lamindb-setup by @Koncopd in #3545
• 🚸 Upon a merge event, mark the branch as merged by @falexwolf in #3546
• 🚸 Include comments in SQLRecord.describe() when passing include = "comments" by @falexwolf in #3548
• ✨ Add UPath.from_auth(...) by @Koncopd in #3547
• 🏗️ Reconcile is_latest state across branches by @falexwolf in #3551
• Relax AnnData version constraint by @Zethson in #3550
• ✨ Introduce Merge Request states on branches and enable lamin update to update properties of entities by @falexwolf in #3552

Full Changelog: 2.1.2...2.2.0

Release 2.1.2

See https://docs.lamin.ai/changelog/2026#db-2-1-2

What's Changed

• ✨ Enable curation against Features with Union dtypes by @Zethson in #3516
• ⚡️ Download large single files from s3 with boto3 by default in artifact.cache() by @Koncopd in #3519
• ⬆️ Upgrade lamindb-setup by @Koncopd in #3521
• 📝 README v5.5: re-write the why? section by @falexwolf in #3520
• ⬆️ Upgrade lamindb-setup by @Koncopd in #3523
• 🐛 Fix initializing an instance with db passed by @Koncopd in #3524

Full Changelog: 2.1.1...2.1.2

Release 2.1.1

See https://docs.lamin.ai/changelog/2026#db-2-1-1

What's Changed

• 🚸 Better detection of read-only connections for write errors and tracking by @Koncopd in #3515
• ✨ Add lamin settings cache-dir reset commad to CLI by @Koncopd in #3517
• ✅ Fix cleanup of permissions test by @Koncopd in #3518

Full Changelog: 2.1.0...2.1.1

Release 2.1.0

See https://docs.lamin.ai/changelog/2026#db-2-1-0-bionty-2-1-0

What's Changed

• 🐛 Fix Artifact.from_dataframe to support path input by @Zethson in #3455
• 🐛 Fix str behavior of Artifact.from_dataframe() by @Zethson in #3457
• ⬆️ Update standard ontology by @sunnyosun in #3461
• 👽️ Fix broken setup due to laminhub refactoring by @fredericenard in #3464
• 📝 Fix Artifact.from_anndata example by @Zethson in #3463
• 🔒️ Introduce safe-guards in updating the space of artifacts by @Koncopd in #3458
• ⬆️ New Gene Organism sources by @sunnyosun in #3467
• 🚸 Unify validating features with and without the presence of a schema, fix parsing ISO-format strings as datetime if mapped on a feature with dtype=str by @falexwolf in #3456
• 🚸 Return information about deleted objects rather than None upon hard delete by @falexwolf in #3469
• 🍱 Update CellLine default source by @sunnyosun in #3471
• 🚸 Raise canonical InstanceNotFoundError in Registry.connect() by @falexwolf in #3470
• 🚚 Rename wetlab to pertdb by @falexwolf in #3472
• ♻️ Efficiently encode uploading information by @falexwolf in #3473
• 📝 Consistently mention backward relationships and type-annotate ManyToMany fields with QueryManager[T] by @falexwolf in #3474
• 🚸 Enable convenient re-upload of local file after upload failure by @falexwolf in #3079
• ♻️ Rather flag _storage_ongoing than _storage_completed by @falexwolf in #3475
• ⚡ Start monitoring performance profiling by @falexwolf in #3477
• 📝 README v5.1 by @falexwolf in #3478
• ⬆️ Update lamin-utils by @sunnyosun in #3479
• ⬆️ Released bionty 2.1.0 by @sunnyosun in #3482
• 📝 Better return typing of feature.__getitem__ by @sunnyosun in #3481
• 🚸 Improve error message for running a script or notebook outside the development directory by @falexwolf in #3484
• 📝 README v5.2 by @falexwolf in #3486
• 💚 Fix white-space formatting in tests for new Rich behavior by @Zethson in #3489
• 💚 Fix curator tests by @Zethson in #3490
• 🚸 Check local path existence on artifact.save() by @Koncopd in #3487
• 📝 Improve the Artifact.open() docs by @falexwolf in #3415
• 🚸 Default to creating a global run context in ln.flow() by @falexwolf in #3492
• ♻️ Enable memorizing the global run context of a flow by @falexwolf in #3493
• 🐛 Refactor & fix feature-based queries for records and expand tests by @falexwolf in #3494
• 🚚 Move lamin cache CLI command to be lamin settings cache-dir, refactor lamin settings, expand lamin annotate, and overhaul CLI docs by @falexwolf in #3495
• 📝 Document RelatedManager[T] and fix ManyToMany type annotations by @falexwolf in #3496
• 👷 Refactor performance profiling by @falexwolf in #3497
• 📝 Move lazy upload out of arrays guide and into from_lazy() docstring + unit tests by @falexwolf in #3499
• 🚸 Allow users to pass ids of foreign keys in Artifact() constructor by @Koncopd in #3498
• 🐛 Fix PyYAML serialization of NotebookNode by @Zethson in #3488
• 📝 Convert guides to markdown format by @falexwolf in #3501
• 🐛 Fix standardize ignoring passed source by @Zethson in #3500
• 👷 Simplify test/docs CI setup by @falexwolf in #3502
• 🚸 Overhaul the pytorch lightning integration by @Zethson in #3425
• 🚸 Better error behavior in lamin save by @sunnyosun in #3503
• 📝 README v5.3 by @falexwolf in #3504
• ♻️ Fully leverage Context to manage the run context of function executions by @falexwolf in #3506
• 🚸 Serialize Path, UPath, and handle None params by @falexwolf in #3507
• 🚸 Recognize packaged python source code across track(), @flow(), and @step() by @falexwolf in #3508
• ⚡️ Much faster permanent run & transform deletion by @falexwolf in #3509
• 📝 README v5.4: properly document workflows by @falexwolf in #3510
• 📝 Legible API reference for lamindb.models by @falexwolf in #3511
• 🚸 Save CLI tool in transform description by @falexwolf in #3512

Full Changelog: 2.0.1...2.1.0

Release 2.0.1

See https://docs.lamin.ai/changelog/2026#db-2-0-1

What's Changed

• 🚸 Backward compatibility for querying features by dtype by @falexwolf in #3454

Full Changelog: 2.0.0...2.0.1

Release 2.0.0

See https://docs.lamin.ai/changelog/2026#db-2-0-0

What's Changed

• 📝 Fix docs by @falexwolf in #3385
• ✨ Add feature.dtype_as_object by @sunnyosun in #3386
• 📝 README v5.2 by @falexwolf in #3387
• ✅ Test connecting without a default instance by @Koncopd in #3388
• ✅ Test db token expiartion by @Koncopd in #3391
• 🎨 Also accept array when evaluating list values by @sunnyosun in #3392
• 🔧 Add .vitessce.json to loaders by @namsaraeva in #3393
• 🔧 Rename zarr extra to zarr_v2 by @Koncopd in #3390
• 🐛 Account for size 0 environments by @falexwolf in #3394
• ♻️ Better re-use Django's ObjectDoesNotExist and MultipleObjectsReturned by @falexwolf in #3396
• 💄 Sort features in describe() by @falexwolf in #3397
• 📝 Improve the Artifact.replace() docs by @falexwolf in #3398
• 📝 Polish FAQ doc on trashing and archiving by @falexwolf in #3400
• ✅ Test DbWriteLog rework by @Koncopd in #3399
• 🚚 Deprecate @ln.tracked() in favor of @ln.step() by @falexwolf in #3401
• ✨ Enable managing workflows via @ln.flow() and @ln.step() by @falexwolf in #3402
• ✨ Track shell scripts by @falexwolf in #3403
• ✅ Test use hstore in DbWrite triggers to compute diffs on update by @Koncopd in #3404
• ⬆️ Upgrade lamindb-setup by @Koncopd in #3407
• ⬆️ Bump anndata upper bound by @Koncopd in #3409
• 🚸 Raise a clear error if calling CanCurate and similar registry class methods on objects by @falexwolf in #3411
• 📝 Improve the Space document by @falexwolf in #3412
• ⬆️ Bump fsspec packages upper bound by @Koncopd in #3413
• 📝 Render return type annotations of Artifact.open() in docs by @falexwolf in #3414
• 🚚 Rename rest-hub to backend by @fredericenard in #3410
• 🔥 Remove tracking from collection.artifacts.all() by @Koncopd in #3405
• 🏗️ Introduce Feature._dtype_str to hold a serialization that links object types (Record + ULabel) based on their uid instead of their name and type hierarchy by @falexwolf in #3416
• 🏗️ Use the new feature._dtype_str instead of feature.dtype by @falexwolf in #3418
• 🔥 Remove the API components that were deprecated upon transitioning from LaminDB v0 to v1 by @falexwolf in #3419
• 🚚 Better names for the ManyToMany fields for the annotating runs and artifacts of an Artifact by @falexwolf in #3420
• 🚚 Swap accessor names for SchemaComponent links, consistent ManyToMany field names for RecordRecord links by @falexwolf in #3421
• 🗃️ Migrate the Feature and Schema database tables to LaminDB v2 by @falexwolf in #3422
• 🚚 Rename Artifact.feature_sets to Artifact.schemas by @falexwolf in #3423
• 🗃️ Rename SQLRecord._branch_code to SQLRecord.branch_id and remove feature_ref_is_name and label_ref_is_name fields from link models by @falexwolf in #3424
• 💚 Fix tests setup by @Koncopd in #3426
• 🐛 Fix broken imports from hubmodule by @fredericenard in #3428
• ♻️ Refactor require_organism by @sunnyosun in #3429
• ♻️ Refactor data migration from dtype to _dtype_str by @falexwolf in #3431
• 🗃️ Rename Artifact._subsequent_runs to Artifact.recreating_runs and Run._recreated_artifacts to Run.recreated_artifacts by @falexwolf in #3432
• 👷 Ensure wetlab version 2.0a1 is installed by @falexwolf in #3433
• ✅ Restore check_lamin_dev, add defensive artifact cleanup by @Koncopd in #3434
• ✨ Allow passing _key_is_virtual on Artifact creation by @Koncopd in #3438
• 🗃️ Rename IsVersioned.version to IsVersioned.version_tag, Transform.type to Transform.kind, FeatureValue to JsonValue, BaseBlock.type to BaseBlock.kind, delete Transform._template and Run._logfile by @falexwolf in #3435
• 🗃️ Bionty v2 migrations by @sunnyosun in #3430
• ✅ Test user updates by @Koncopd in #3437
• 👷 Reflect permission utils refactoring in noxfile by @falexwolf in #3441
• 🚸 Add description argument to Transform.from_git() by @falexwolf in #3440
• 🗃️ Simplify Transform by @falexwolf in #3442
• 🗃️ Migrate most auxiliary fields to SQL columns by @falexwolf in #3443
• ♻️ Edits for noxfile by @Koncopd in #3444
• 🗃️ Refactor _storage_completed mechanism and remove unique constraints on type names by @falexwolf in #3445
• 🚸 More release preparations: backward compat for artifact queries by feature_sets, defensive migration by @falexwolf in #3448
• 🎨 Re-encode biorecord uid to 14 chars by @sunnyosun in #3450
• ♻️ Refactor dtype data migration to raw SQL to avoid inexistent branch_id by @falexwolf in #3449
• Fix create from source by @sunnyosun in #3451
• 🗃️ Rename RootBlock to Block with a column key akin to Artifact and Transform by @falexwolf in #3452
• ⚡️ Squash migrations and re-build SQLite init database by @falexwolf in #3453

Full Changelog: 1.17.0...2.0.0