1.16.0 (2026-05-22)

What's Changed

Added

• Provide connectors for the upcoming SDMX Data Discovery and Retrieval profile by @sosna in #570
• Add support for token-based authentication to the RegistryMaintenanceClient by @sosna in #600

Fixed

• Support stable semver version strings in the FMR clients by @sosna in #593
• Fix duplicate / for series-attached attributes by @javihern98 in #590
• Fix TypeError when SDMX reference URN contains "Ref" substring (#596) by @javihern98 in #599

Security

• Set a more precise minimal version to try and address Dependabot issue by @sosna in #587
• Patch various vulnerabilities by @sosna in #598

Full Changelog: v1.15.1...v1.16.0

1.15.1 (2026-05-04)

What's Changed

Fixed

• Remove upper bound on Pandas dependency by @sosna in #583

Security

• Patch lxml by @sosna in #582

Full Changelog: v1.15.0...v1.15.1

1.15.0 (2026-04-30)

What's Changed

Changed

• Migrate from NumPy to PyArrow dtypes for the data extra by @javihern98 in #567

Fixed

• Address several issues affecting attribute and measure relationships by @sosna in #568
• Enforce Schema validation and preserve null values by @ruizmaa in #499
• Set default version in the FMR API from + to ~ as per the SDMX-REST spec by @sosna in #576

Full Changelog: v1.14.0...v1.15.0

1.14.0 (2026-03-27)

What's Changed

Added

• Add writer and reader support for Time Series formats (STRTS / GENTS) by @javihern98 in #557
• Add a SQL Server toolkit to pysdmx by @sosna in #562
• Add partial key rows support for SDMX-CSV writer by @javihern98 in #559

Changed

• Accept string for dimension_at_observation parameter by @javihern98 in #558
• Strip default AgencyScheme fields in XML reader by @javihern98 in #553

Fixed

• Fix Dataflow short_urn becoming DataStructure in SDMX 2.1 namespace by @javihern98 in #555
• Fix PandasDataset typing for get_datasets by @javihern98 in #554
• Fix RepresentationMap XML writer using wrong element for data types by @javihern98 in #556
• Remove incorrect is_final inference from XML 3.0 reader by @javihern98 in #552

Full Changelog: v1.13.0...v1.14.0

1.13.0 (2026-03-06)

What's Changed

Changed

• Add support for exclusive keysets by @sosna in #533
• Add SDMX-ML constraints support by @ruizmaa in #532

Fixed

• Unmerge attributes with multiple values when writing to SDMX-JSON by @sosna in #528
• Fix issue with SDMX-JSON metadata messages not being properly recognized by @sosna in #527
• Support observation-level attachments in measureless DSDs by @sosna in #529
• Handle series with empty dimensions by @ruizmaa in #518
• fix: handle DSD instances in schema_generator (#534) by @javihern98 in #538

Full Changelog: v1.12.0...v1.13.0

1.12.0 (2026-02-05)

What's Changed

Changed

• Add support for keysets in schemas by @sosna in #519

Security

• Upgrade urllib3 to version 2.6.3 by @sosna in #516

Full Changelog: v1.11.0...v1.12.0

1.11.0 (2026-01-23)

What's Changed

Added

• Add support for SDMX-JSON 2.1.0 by @sosna in #504

Changed

• Implement support for maps in SDMX-ML by @ruizmaa in #485
• Improve handling of endpoints passed to the FMR maintenance client by @sosna in #510

Fixed

• Support MeasureRelationship with multiple measures by @ruizmaa in #495
• Fix IndexError in generic writer when series attributes vary by @ruizmaa in #502
• Support partial concept schemes when reading schemas by @sosna in #505
• Ensure dimensions link to concept objects instead of references by @ruizmaa in #503
• Fix group attributes handling with multiple groups by @ruizmaa in #493

Full Changelog: v1.10.1...v1.11.0

1.10.1 (2025-12-19)

What's Changed

Fixed

• Preserve component filters in data queries when omitting defaults by @sosna in #483
• Add support for measure relationships in SDMX-JSON by @sosna in #484
• Fix exception when using dimensionAtObservation=AllDimensions by @ruizmaa in #481

Security

• Updated urllib to 2.6.2 to fix critical vulnerabilities by @javihern98 in #482

Full Changelog: v1.10.0...v1.10.1

1.10.0 (2025-12-04)

What's Changed

Added

• Add VTL dataset to Pandas dataset conversion by @ruizmaa in #461

Changed

• Improve support for constraints by @sosna in #468
• Find items in item schemes by name or description by @sosna in #471

Fixed

• Fixed error on reading multiple Datasets in SDMX-ML by @ruizmaa in #464
• Fix wrong dialect on sniffing by @ruizmaa in #465
• Fix return type hint of RegistryClient.get_metadata_structures by @giorgio93p in #472

New Contributors

• @ruizmaa made their first contribution in #462
• @giorgio93p made their first contribution in #472

Full Changelog: v1.9.0...v1.10.0

1.10.0-rc2 (2025-11-27)

What's Changed

Added

• Add VTL dataset to Pandas dataset conversion by @ruizmaa in #461

Changed

• Add support for constraints by @sosna in #468
• Find items in item schemes by name or description by @sosna in #471

Fixed

• Fix return type hint of RegistryClient.get_metadata_structures by @giorgio93p in #472

New Contributors

• @giorgio93p made their first contribution in #472

Full Changelog: v1.10.0-rc1...v1.10.0-rc2