Version 0.9.12

• Upgrade to MEI 3.0.0
• Support for pedal, oct and harm elements
• Support for choice elements with selection option (with xPath 1.0)
• Support for endings
• Support for multiple section and for editorial markup above measures
• Support for mdiv selection (with xPath 1.0)
• Humdrum importer (@craigsapp)
• Display of cautionary key and time signatures at the end of the systems
• Extended support of clefs (displacement and perc)
• Extended support of lem / rdg section (multiple options possible)
• Improved viewer error handling and feedback
• Improved layout (barlines, lyric connectors, tempo indications)
• Improved SVG structure for staffDef and cautionary staffDef data
• Preservation of original layout (pb and sb) markup
• Automatic input format detection
• Option for controlling ID generation
• Code refactoring (functors) and various bug fixes

Version 0.9.11

• Better handling of slurs
• Support for dynamics, hairpin, tempo indications and directives
• Support for editorial markup (add, corr, sic. etc.)
• Improved mensural notation support (thanks to @donbyrd)
• MIDI output (thanks to the work of @jennyxing27 at UVa and using @craigsapp's MIDI library)

Version 0.9.10

• Support for bTrem and fTrem
• Support for MusicXML import and conversion to MEI
• Support for chords in PAE (limited)
• Adding schema processing instruction in MEI output
• Improved spacing with a new parameter (work in progress)
• Bug fixes (PAE repetitions, fermatas, tie directions, etc.)

Version 0.9.9

• Support for mRpt, multiRpt, multiRpt2 and beatRpt MEI elements
• Support for staffGrp labels
• Support for tuplet.vis and numberplacement in tuplet
• Key signature cancellation
• Improved slurs
• Improved ties and support for bulge and curvedir attributes
• Improved justification
• Editorial accidentals
• Improved grace notes (work in progress)
• Staff scale (work in progress)
• Code refactoring for staffDef and attribute classes

Version 0.9.8

• Changing license to LGPL
• New score-based MEI output option
• Preserving header in MEI output
• Support for /annot
• Support for UTF-16 (basic with conversion to UTF-8)
• Improved /app/lem/rdg in SVG output
• Bug fixes (chords, VerovioText font)

Version 0.9.7

• Improved complex chords accidental placements
• Improving group style in SVG output
• Adding getVersion and including GitHub commit in version
• Support for new MEI element (space)
• Cross-staff notation (work in progress)
• Java toolkit (to be documented)
• Bug fixes (empty measures, multi measure rests)
• Bug fixes for mensural notation (maxima, single figure mensur)

Version 0.9.6

• Chords (work in progress)
• Improved beam slope
• Mensural durations
• Mensural alignment algorithm (work in progress)
• Caching unsupported attributes (work in progress)
• Timespan elements (work in progress)
• Bug fixes (reading unmeasured MEI, font size in FireFox)

Version 0.9.5

• SMuFL support
• Integration of Bravura
• Improved SVG output
• Improved support of <app>, <lem> and <rdg>
• Improved layout and metric
• Various bug fixes (measure rests, stem length, clefs)
• Web-worker compatibility

Version 0.9.4

• Code refactoring
• Basic <app> reading
• Basic xpath parameter for <rdg> selection (to be documented)
• Instrument labels
• Python toolkit (experimental)
• Support for standard input and output
• Various fixes

Version 0.9.3

Mostly code restructuring and integration of LibMEI output. Also includes:

• Page-based customization integration
• Read first note of chords
• Bug fix when input file is missing
• Bug fix with @left in /measure
• Bug fix clef 8va
• Bug fix in key signatures
• Bug fix in slurs