Release notes

v0.1.3 (2026-04-17)

• Improve styling of abcjs containers, pandas dataframes, and ipywidgets in the docs (PR103). You can now activate abcjs responsive mode in ABCJSWidget, but non-responsive is still the default.

• Update for changes in https://www.capeirish.com/ittl/tunefolders/ (PR104).

• Add Paul Hardy to sources (pyabc2.sources.hardy; PR105).

• Update abcjs version from 6.4.4 to 6.6.2 (late Feb 2026; PR106). Integrate the new chord grid option into the widget.

v0.1.2 (2026-02-03)

• Update Norbeck to the current 2026-01 version (PR96)

• Various Bill Black fixes (PR96)

• Add zlib-based compression support for Eskin ABC Transcription Tools URL decoding and URL creation (PR95). It is the default in the Eskin tools as of 2026-02-02, but for now, in abc_to_abctools_url() you have to opt in using lzw=False.

v0.1.1 (2026-01-20)

• Fix loading The Session sets data (PR77)

• Fix HTML display of pitch classes with double accidentals (PR76)

• Fix Norbeck URL gen for multi-word tune types (e.g., slip jig, set dance)

• Add initial support for loading Eskin ABC Transcription Tools tunebooks (PR86)

• Update NumPy/pandas pins to v2 and min Python to 3.10 (PR87)

• Use anywidget for abcjs tune display in notebooks and add additional abcjs-based tools (pyabc2.abcjs; PR89, PR91)

• Add initial support for loading tunes from Bill Black (PR92)

• Mark the note regexes as non-private, towards less awkward usage (PR93)

• Add a few more The Session web API capabilities, including loading sets (PR94)

v0.1.0 (2025-07-02)

I’ve recently cleaned up a few things and added docs (PR68, PR69), but otherwise pyabc2 has been pretty much the same for a few years now. I wanted to preserve this state of the project before making breaking changes.

Compared to campagnola/pyabc, a major inspiration for this project, pyabc2 (thus far at least):

• doesn’t really attempt tokenization, just focuses on extracting the melody notes

• takes into account repeats and endings in order to extract the full melody (Tune.measures, Tune.iter_notes())

• has separate Pitch and PitchClass classes

• has Note inherit from Pitch instead of a token class

• includes tools for fetching tune data from Norbeck, in addition to from The Session

• implements HTML reprs, including using abcjs to display tunes in the Jupyter notebook (examples)

• makes use of type annotations

• adds more methods/properties for pitch/note and key classes

• is available on PyPI