Release 1.16.2

See https://docs.lamin.ai/changelog/2025#db-1-16-2

What's Changed

• 🐛 Fix re-validating an existing artifact with an external schema and external features by @falexwolf in #3288

Full Changelog: 1.16.1...1.16.2

Release 1.16.1

See https://docs.lamin.ai/changelog/2025#db-1-16-1

What's Changed

• 🐛 Do not log CLI args in notebooks by @falexwolf in #3283
• 🚸 Log if switching to read-only storage location of another instance also when using ln.settings.storage by @falexwolf in #3284
• 📝 Clarify logging and language around writing/managing instance by @falexwolf in #3286
• 🐛 Fix Artifact from http URL if leveraging virtual keys by @Koncopd in #3287

Full Changelog: 1.16.0...1.16.1

Release 1.16.0

See https://docs.lamin.ai/changelog/2025#db-1-16-0

What's Changed

• ⬆️ Support anndata up to 0.12.5 by @Koncopd in #3264
• 🐛 Rework _query_relatives by @Koncopd in #3265
• 🐛 Enable passing a list of records to record.features.add_values() by @falexwolf in #3266
• ♻️ Properly deprecate itype='Composite' by @falexwolf in #3268
• ♻️ Re-organize .features.add_values() and .features.remove_values() tests and make consistent across Artifact & Record by @falexwolf in #3269
• ♻️ Refactor and simplify FeatureManager.remove_values() by @falexwolf in #3271
• ⬆️ No longer upper-bound pyarrow by 22.0 by @Zethson in #3272
• ♻️ Refactor artifact test suite by @falexwolf in #3274
• ♻️ Passing kwargs to from_source no longer recognize synonyms by @sunnyosun in #3273
• ⬆️ Update bionty by @sunnyosun in #3275
• ✨ Introduce artifact.features.set_values() by @falexwolf in #3276
• 🚚 Deprecate the data argument of Artifact in favor of path and polish class docstrings by @falexwolf in #3277
• 📝 Polish transform and run examples in the readme by @falexwolf in #3279
• ✨ Make it easy to re-run scripts by tracking cli_args by @falexwolf in #3278
• 🚚 Deprecate Registry.using() in favor of Registry.connect() by @falexwolf in #3280

Full Changelog: 1.15.2...1.16.0

Release 1.15.2

See https://docs.lamin.ai/changelog/2025#db-1-15-2

Full Changelog: 1.15.1...1.15.2

Release 1.15.1

See https://docs.lamin.ai/changelog/2025#db-1-15-1

What's Changed

• 🐛 Deal with corrupted state in which no is_latest record is found by @falexwolf in #3256
• 📝 Improve Records docs by @falexwolf in #3255
• ✅ Test prevent any access on jwt connections without a db token by @Koncopd in #3257
• ✅ Test unit-core with zarr v3 by @Koncopd in #3258
• ⬆️ Upgrade lamindb-setup by @Koncopd in #3260
• 🐛 Correctly deal with None, date, and datetime in .features.add_values() by @falexwolf in #3261
• ⬆️ Upgrade lamindb-setup by @Koncopd in #3262
• 🐛 Cast int and float when loading from database where appropriate by @falexwolf in #3263
• 🎨 Fix anndata version warnings by @Zethson in #3259

Full Changelog: 1.15.0...1.15.1

Release 1.15.0

See https://docs.lamin.ai/changelog/2025#db-1-15-0

What's Changed

• ⚡️ More optimal recursive childrens query by @falexwolf in #3238
• 🚸 Enable passing parquet_kwargs to Artifact.from_dataframe() for configuring pyarrow.ParquetWriter by @falexwolf in #3239
• 🚸 Also support external features in DataFrameCurator by @falexwolf in #3240
• 📝 Simplify API reference by @falexwolf in #3241
• 🚸 Also introduce csv_kwargs for Artifact.from_dataframe() by @falexwolf in #3242
• 🐛 Allow features.remove_values() to work with features of dtype=list[cat] by @sunnyosun in #3237
• ♻️ Simplify features.add_values() and improve logging messages by @falexwolf in #3243
• 📝 Refactor Record docs by @falexwolf in #3245
• ✨ Add Record.features to conveniently populate features of records by @falexwolf in #3246
• 🐛 Handle run=None correctly when populating subsequent creating runs of collections by @falexwolf in #3247
• ✨ Enable constraining features by schema in record.features.add_values() and record.features.remove_values() by @falexwolf in #3248
• 🐛 Fix to_dataframe() with features by @Koncopd in #3249
• 🗃️ Remove db_index on Reference.text field by @falexwolf in #3250
• ⚡ Speed up add_values() and add tests for more feature dtypes by @falexwolf in #3251
• 🚸 Improve the UX for the local development directory by @falexwolf in #3252

Full Changelog: 1.14.0...1.15.0

Release 1.14.0

See https://docs.lamin.ai/changelog/2025#db-1-14-0

What's Changed

• ✏️ Fix coherce_dtype in schema.describe by @sunnyosun in #3181
• 📝 Improve bioregistry guide by @sunnyosun in #3182
• 🎨 Raise error in curators when dtype is list but values are not by @sunnyosun in #3183
• 💄 Strip cat from feature dtype display by @falexwolf in #3185
• ♻️ Improve dealing with ad hoc annotations of lists of categorical features by @falexwolf in #3184
• 💄 Better way of displaying the schema slot identifier type in .describe() by @falexwolf in #3186
• 🐛 Set db tokens for connections in all contexts (threads, tasks), disable task-specific database wrappers in jupyter for ipykernel>=7.0.0 by @falexwolf in #3172
• ♻️ Adapt curator tests to new describe() format by @falexwolf in #3190
• 🐛 Fix a bug that prevented re-curating existing artifacts in some cases by @falexwolf in #3187
• ⬆️ Support fsspec 2025.9.0 by @Koncopd in #3192
• ♻️ Enable bulk-re-creating records that would violate a unique constraint by @sunnyosun in #3189
• 🐛 Exclude records in trash from unique constraint on name under a type, add name uniqueness under a type and is_valid_type constraints to all typed entities by @falexwolf in #3191
• 🚸 Populate reference and reference_type for sliding transforms by @sunnyosun in #3193
• ♻️ Fix type annotation and double-loading of dataframe in DataFrameCurator by @falexwolf in #3194
• ♻️ Add a RecordRun link model by @falexwolf in #3195
• 🐛 Capture outputs of root logger in LogStreamTracker by @falexwolf in #3196
• ♻️ Enable run.describe() by @falexwolf in #3197
• 🚸 Return a SQLRecordList in Artifact.from_dir() by @falexwolf in #3198
• 🚸 Enable passing sync_git_repo via env variable by @falexwolf in #3199
• 🚸 Clearer error and logging messages for sync_git_repo and ln.finish() by @falexwolf in #3200
• ♻️ Refactor removing features by @falexwolf in #3202
• 🐛 Also include key & storage location in error handling upon skip_hash_lookup = True by @falexwolf in #3203
• 🚸 Add fallback behavior if artifact was moved in storage by @falexwolf in #3204
• 🚸 Better dialogue for user delete within existing storage location by @falexwolf in #3205
• 🚸 Better message upon start of a script in ln.track() by @falexwolf in #3206
• 🚸 Ask for extra storage-level delete confirmation in case _real_key is not None by @falexwolf in #3207
• 🔧 Set max_pool_connections=64 by default for s3fs filesystem by @Koncopd in #3210
• 🚚 Deprecate dtype='cat' in favor of dtype=ln.Record by @falexwolf in #3208
• ♻️ Move define_valid_features.py and similar scripts into the package by @falexwolf in #3211
• 🚸 Improve Schema.describe(), harmonize with describe() of Artifact, Collection, and Run by @falexwolf in #3213
• 💄 Simplify lineage & ontology graph displays by @falexwolf in #3215
• ✅ More tests and comments regarding recovering items from trash based on hash by @falexwolf in #3219
• 🔊 Log writing in-memory objects into cache on artifact creation by @Koncopd in #3220
• ⬆️ Upgrade lamindb-setup by @fredericenard in #3214
• 🚸 Allow features to have reserved Django field names by @sunnyosun in #3209
• 🚸 Re-design .describe() and refactor the related code base by @falexwolf in #3218
• 🐛 Fix exporting sheets with User feature by @sunnyosun in #3221
• 🐛 Fix s3 upload and download problems arising from local aws configs by @Koncopd in #3222
• 🐛 Fix migration of PR3221 by @sunnyosun in #3225
• 🎨 Correctly handle empty lists in curation by @sunnyosun in #3224
• ⬆️ Upgrade lamindb-setup by @Koncopd in #3227
• ✨ Add transform.describe() by @falexwolf in #3226
• 🚸 Clearer and more consistent .to_dataframe() - indicate including features via include="features" by @falexwolf in #3230
• 🚸 Enable users to annotate & validate without having to learn about the Schema concept by @falexwolf in #3231
• 📝 README v4 by @falexwolf in #3216
• 🩹 Minor fixes in backward compat calls and README by @falexwolf in #3232
• ♻️ Serialize Iterable of SQLRecord in params tracking by @falexwolf in #3233
• ♻️ Allow collections with duplicated artifacts by @falexwolf in #3235
• 🐛 Attach schema when validating with external features by @falexwolf in #3236
• ⬆️ Upgrade Django to 5.2 by @falexwolf in #3234
• 🐛 Respect feature.dtype in FeatureManager.get_values() by @sunnyosun in #3229

Full Changelog: 1.13.1...1.14.0

Release 1.13.1

See https://docs.lamin.ai/changelog/2025#db-1-13-0

What's Changed

• 🩹 Prettify logging related to automated lookups based on name and hash by @falexwolf in #3167
• ♻️ Map features based on name instead of uid by @sunnyosun in #3168
• ✅ Add tests for lightning integration module by @Zethson in #3159
• 🐛 Fix bug in serializing dtypes from objects in deeply nested type hierarchies, expand tests by @falexwolf in #3169
• 🔧 Introduce skip_hash_lookup for Collection by @falexwolf in #3170
• 🚸 Format on-prem UI URLs by @falexwolf in #3173
• 🚸 Add restore() to all registries with soft-delete by @falexwolf in #3175
• 🐛 Never return existing transform with same key from trash by @falexwolf in #3176
• ✨ Enable curating features with nested subtypes by @sunnyosun in #3174
• ⬆️ Upgrade lamindb-setup by @Koncopd in #3178
• ✨ Add Transform.from_git() by @falexwolf in #3177
• 🥅 Better error message for trying to write on a public connection. by @Koncopd in #3179

Full Changelog: 1.13.0...1.13.1

Release 1.13.0

See https://docs.lamin.ai/changelog/2025#db-1-13-0

What's Changed

• 📝 Fix docstrings of block models by @Koncopd in #3138
• 🚸 Add clear errors for locked records, test RLS for locked records and Block models by @Koncopd in #3131
• 🐛 Require a restricted storage location when writing an Artifact to a restricted space by @falexwolf in #3139
• 🔧 Introduce a skip_hash_lookup argument for Artifact by @falexwolf in #3140
• ⬆️ Upgrade lamindb-setup by @Koncopd in #3142
• 🚸 Ignore cycles arising between input artifacts and re-created artifacts by @falexwolf in #3143
• ⚡️ Speed up Curator.add_new_from() by @sunnyosun in #3144
• 🩹 Polish logging during ln.track() and small refactor in input tracking by @falexwolf in #3145
• 🐛 Do not retrieve records from trash based on hash lookup by @falexwolf in #3146
• 🐛 Various fixes for filtering by @Koncopd in #3147
• 🚸 Better UX for lamin annotate CLI command by @falexwolf in #3150
• 🐛 Fix schema mutation when removing features by @falexwolf in #3148
• 🐛 Fix annotation with features of dtype = list[str] by @falexwolf in #3152
• 🐛 Sanitize dataframe proxy for dict validation to enable schema-based validation of categoricals in dicts by @falexwolf in #3153
• ♻️ All references to ln.examples.datasets and mini_immuno instead of their legacy counterparts by @falexwolf in #3154
• 🐛 Fix hash calculation for hybrid composite schemas, refactor external feature annotation in Artifact.from_dataframe() by @falexwolf in #3155
• 🚸 Limit name search upon record creation to records of same type by @falexwolf in #3156
• 📝 Improve README by @falexwolf in #3157
• ✨ Enable tracking run parameters without validation by @falexwolf in #3151
• 📝 Polish the run docs by @falexwolf in #3158
• ♻️ Serialize parameters to JSON by @falexwolf in #3161
• ⬇️ Upper bount ipykernel to lower than 7.0.0 by @Koncopd in #3163
• ♻️ Refactor local-to-cloud transfer notebooks by @falexwolf in #3164
• ♻️ Canonicalize code organization in lightning integration by @falexwolf in #3166

Full Changelog: 1.12.1...1.13.0

Release 1.12.1

See https://docs.lamin.ai/changelog/2025#db-1-12-1

What's Changed

• 🐛 Fix import of lightning integration by @Zethson in #3136

Full Changelog: 1.12.0...1.12.1