Development for LilyPond 2.21.2
There are two sets of releases for LilyPond: stable releases, and unstable development releases. Stable versions have an even-numbered ‘minor’ version number (e.g., 2.14, 2.16, 2.18). Development versions have an odd-numbered ‘minor’ version number (e.g., 2.15, 2.17, 2.19).
Instructions for git and compiling are in the Contributor’s Guide.
Documentation writers and testers will generally want to download the latest binary:
LilyPond development is a fairly complicated matter. In order to help new contributors, and to keep the whole system (mostly) stable, we have written a manual for development tasks.
- Regression tests: This release’s regtests. (pdf version)
- MusicXML tests: This release’s musicXML tests. (pdf version)
- abc2ly tests: This release’s abc2ly tests. (pdf version)
- lilypond-book tests: This release’s lilypond-book tests. (pdf version)