As announced on the VexFlow mailing list, here are some fun things you might enjoy.
VexTab Audio Player
The VexTab audio player, which My VexFlow uses to play notated music, is now available in the VexTab repository (player.coffee). The player is based on MIDI.js and requires a set SoundFont instruments.
Tablature with Rhythm Stems
VexFlow now supports tablature with rhythm information thanks to Cyril Silverman.
The stems work well with modifiers such as dots and articulations (fermatas, strokes, etc.)
The code to render fretboard diagrams is now available on Github. It lets you render guitar and bass fretboards like these:
Thats all folks!