Changelog

v1.1.1: Version 1.1.1

Released on 2026-04-26 - GitHub - PyPI

• fix: allow stacked values by @henryiii in #234

Full Changelog: v1.1.0...v1.1.1

v1.1.0: Version 1.1.0

Released on 2026-04-14 - GitHub - PyPI

What's Changed

• feat: drop Python 3.9 by @henryiii in #220
• feat: support metadata-only histograms by @henryiii in #230
• fix: officially support 32-bit data by @henryiii in #228
• docs: update and fix testing.md by @eduardo-rodrigues in #208
• tests: show current packages of interest by @henryiii in #212
• tests: update for boost-histogram 1.7+ by @henryiii in #226
• tests: fix installed PoI and add bh 1.7.2 tests by @henryiii in #232
• chore: update boost-histogram version to 1.6.1 by @APN-Pucky in #213
• chore: pytest log_level is better than log_cli_level by @henryiii in #217
• chore: add AGENTS.md and copilot setup by @henryiii in #229
• ci: bump setup-uv to maintained tag scheme by @henryiii in #231

New Contributors

• @eduardo-rodrigues made their first contribution in #208

Full Changelog: v1.0.0...v1.1.0

v1.0.0: Version 1.0.0

Released on 2025-08-20 - GitHub - PyPI

This release adds a major new UHI feature: serialization. HDF5, ZIP, and JSON are supported. We also now providing a testing helper, to assist in developing libraries that want to comply with UHI. Python 3.9+ is required, and 3.14 is supported. We now ship nightlies to the Scientific-Python nightly wheels. See the release post for more info!

What's Changed

Serialization

• feat: add writer_info field by @henryiii in #154
• feat: remove data nesting by @henryiii in #155
• feat: add read/write support by @henryiii in #167
• feat: add uhi_schema, lots of fixes by @henryiii in #185
• feat: unserializable metadata by @henryiii in #186
• feat: upstreaming a bit from boost-histogram/hist by @henryiii in #188
• feat: add sparse histogram support by @henryiii in #194
• feat: support compression with HDF5 by @henryiii in #205
• refactor: use IR for intermediate representation typing helpers by @henryiii in #200
• fix: touch up serialization, add TypedDict by @henryiii in #151
• fix: typing update for recent change by @henryiii in #157
• fix: tighten metadata definition by @henryiii in #163
• fix: include fixes for metadata types by @henryiii in #165
• fix: missing item in __all__ by @henryiii in #196
• fix: weighted_mean sparse histogram fix, and tests by @henryiii in #204
• fix: don't store an empty metadata dict by @henryiii in #206
• tests: require fastjsonschema by @henryiii in #138
• tests: more tests for schema by @henryiii in #166
• tests: add json serialize test by @henryiii in #190
• tests: add hdf5 and zip tests by @henryiii in #191
• tests: fix hdf5 install by @henryiii in #207
• chore: use Required/NotRequired by @henryiii in #197

Testing helper

• feat: starting generic testing framework by @henryiii in #150
• feat: split up test by dimension by @henryiii in #171
• feat: add 2d tests by @henryiii in #172
• feat: wrap bins in generic tests by @APN-Pucky in #176
• docs: add docs on testing by @henryiii in #199
• fix(tests): provide uhi serialized form by @henryiii in #198

Other

• fix: drop Slicer for np.s_ by @henryiii in #153
• tests: add fixture for valid/invalid by @henryiii in #195
• chore: add CITATION file by @henryiii in #192
• chore: add recent author to list by @henryiii in #189
• chore: fix release note helper by @henryiii in #203
• chore: min version of numpy for 3.9 by @henryiii in #193
• chore: modernize licensing and dep groups by @henryiii in #149
• chore: prepare for 1.0 by @henryiii in #202
• chore: update to 3.9+ by @henryiii in #187
• ci: anaconda nightlies by @henryiii in #180
• docs: Make it clear that sum/projection does eliminate axis/histogram by @APN-Pucky in #135
• docs: fix shallow clone by @henryiii in #201

New Contributors

• @APN-Pucky made their first contribution in #135

Full Changelog: v0.5.0...v1.0.0

v0.5.0: Version 0.5.0

Released on 2024-10-03 - GitHub - PyPI

This release requires Python 3.8, and adds explicit support for 3.13. It has an experimental schema for serialization - this will be considered final once there are 1-2 implementations of it. We now provide attestations for releases.

What's Changed

• feat: modernize, Python 3.8+ by @henryiii in #130
• feat: add a schema for serialization by @henryiii in #105
• fix: one more schema ending issue by @henryiii in #119
• ci: macos-latest is changing to macos-14 ARM runners by @henryiii in #127
• chore: update nox and use uv by @henryiii in #131
• chore: more minor modernizations by @henryiii in #132
• docs: add zenodo badge by @henryiii in #116

Full Changelog: v0.4.0...v0.5.0

v0.4.0: Version 0.4.0

Released on 2023-10-17 - GitHub - PyPI

This release primarily drops Python 3.6 support. It also adds official 3.12 support. The changelog is now part of the docs.

• chore: drop Python 3.6 by @henryiii in #84
• chore: move to using Ruff by @henryiii in #86
• ci: fix readthedocs by @henryiii in #99
• chore: target-version no longer needed by Black or Ruff by @henryiii in #103
• chore: sp-repo-review by @henryiii in #107
• docs: prepare for schema addition by @henryiii in #113
• chore: add a check and bump NumPy by @henryiii in #114
• docs: add changelog by @henryiii in #115

Full Changelog: v0.3.3...v0.4.0

v0.3.3: Version 0.3.3

Released on 2023-01-04 - GitHub - PyPI

• ci: update to Python 3.11 final by @henryiii in #76
• chore: adapt to new versions by @henryiii in #82
• fix: use ABC for ROOTAxis by @henryiii and @pre-commit-ci in #79
• chore: use svn versioning by @henryiii in #83

Full Changelog: v0.3.2...v0.3.3

v0.3.2: Version 0.3.2

Released on 2022-09-20 - GitHub - PyPI

Minor release, mostly updating to indicate Python 3.11 support. Moved the backend to Hatchling from Flit.

• Fix punctuation by @klieret in #60
• chore: switch to hatchling by @henryiii in #63
• chore: include 3.11 by @henryiii in #72

New Contributors

• @klieret made their first contribution in #60

Full Changelog: v0.3.1...v0.3.2

v0.3.1: Version 0.3.1

Released on 2022-01-06 - GitHub - PyPI

Officially supports Python 3.10. Build system moved to Flit, with a PDM option to replace the old Poetry system if users want to develop in a locked environment. Updated to mypy 0.930 and Numpy 1.22. Type ignores now list the error code(s).

v0.3.0: Version 0.3.0

Released on 2021-06-15 - GitHub - PyPI

The conversion utility now supports PyROOT histograms, thanks to @pieterdavid. Standard maintenance updates, including moving to mypy 0.902.

v0.2.1: Version 0.2.1

Released on 2021-03-18 - GitHub - PyPI

Small patch release to add missing test files #15 to the SDist, for downstream packagers like conda-forge. Nox support added for easy development & development tasks, like bumping the version.

v0.2.0: Version 0.2.0

Released on 2021-03-17 - GitHub - PyPI

Version 1.2 of the PlottableHistogram Protocol; allows iteration over an axis and requires the return types are np.ndarrays (#11). Adds a new runtime utility to simplify plotting libraries that want to use UHI at runtime (#13).

v0.1.2: Version 0.1.2

Released on 2021-03-09 - GitHub - PyPI

Fix an issue with PlottableProtocol requiring writable properties (#9). Corrected the internal version number to match the external one. Eased up the requirements upper bounds just a bit.

v0.1.1: Version 0.1.1

Released on 2021-01-29 - GitHub - PyPI

First release with correct PyPI landing page (Poetry requires a readme key).