Stems thicker than the stave line
1. Open attached score (produced in 1.3).
Result: The stem is thicker than the stave lines.
Discussion: Page 13 of 'Behind Bars' states: "Stems should be thinner than the stave-line, but not so thin as to reproduce lines too faintly."
Using MuseScore 2.0 Nightly Build (6559fe0) - Mac 10.7.5.