Version 2.9.0

What's Changed

Features:

• Support for boost-histogram 1.6, drop support for Python 3.8, boost-histogram < 1.5, add support for Python 3.14/3.14t #597 #618, #631
• Support serialization with boost-histogram 1.6 #627
• Add legend=True for plot1d stacked #622
• Specify license with SPDX, add some authors #625, #628

Fixes:

• Handle fill-flattened for non-user args #612
• Handle string args for fill-flattened #629
• Label/name propagation fixed for casting histograms #630

Tests:

• Handle tests that need mplhep #604
• Modernize noxfile #623
• Use dependency-groups #624

CI:

• Upload nightly wheels to Anaconda #611
• Add pass job to tests #619
• Modernize pylint and uv #629
• Update and check the minimum versions in CI #621
• Speed up read-the-docs #576

New Contributors

• @APN-Pucky made their first contribution in #604
• @aknierim made their first contribution in #614
• @Jammf made their first contribution in #612
• @Copilot made their first contribution in #622

Full Changelog: v2.8.1...v2.9.0

Version 2.8.1

What's Changed

Features:

• Allow wildcards in StrCat list indexing by @andrzejnovak #601

Tests:

• Limit dask version #596

Full Changelog: v2.8.0...v2.8.1

Version 2.8.0

Features:

• Support boost-histogram 1.5; drop support for Python 3.7, add support for Python 3.13 / 3.13t #582

Fixes:

• Support IntCat for plot1d overlay #419

Full Changelog: v2.7.3...v2.8.0

Version 2.7.3

This release fixes an issue with Python 3.12 pulling in NumPy 2 pre-releases.

Fixes:

• Sample required error message #538
• hist.dask.new to match top-level package #563

Docs:

• Clarify sample term required for Mean storage #536

CI:

• Move to using Ruff Jupyter support #543
• Move to using Ruff formatter #544
• Group dependabot updates #554
• Use uv #564
• Add GitHub artifact attestations to package distribution #568
• Reduce update frequency #571

Version 2.7.2

• Support boost-histogram 1.4.0 in addition to 1.3.x, including Python 3.12, flow disabling for categories, and integer arrays required for integer axes #535 and #532
• Add a .T shortcut #521
• Support ND quick constructs being mistakenly passed in #528
• Add boost nox job to test upstream changes easily #533

Full Changelog: v2.7.1...v2.7.2

Version 2.7.1

• [plot] extra split into [fit] #515
• Use PyPI trusted publisher to deploy #516

Full Changelog: v2.7.0...v2.7.1

Version 2.7.0

Features:

• Add a function to integrate axes #505
• Add fill_flattened support #474

Various other items:

• Move linting to using Ruff #475
• Self & _compat #479
• Rework and rerun docs API #481

New Contributors

• @fabriceMUKARAGE made their first contribution in #502
• @agoose77 made their first contribution in #474

Full Changelog: v2.6.3...v2.7.0

Version 2.6.3

• Experimental dask support #471
• Some minor cleanups from refurb #453

New Contributors

• @lgray made their first contribution in #471

Full Changelog: v2.6.2...v2.6.3

Version 2.6.2

• Nicer stacks repr #449
• Backport storage_type if boost-histogram < 1.3.2 #447
• Allow overwriting labels for plot/overlay #414
• Use Hatching to build the package #418
• Support git archival version numbers #441

Version 2.6.1

• Fall back on normal repr when histogram is too large #388
• Fix issue with no-axis histogram #388
• Fix issue with empty axis causing segfault until fixed upstream #387
• Only require SciPy if using SciPy #386