It's reported to me that it is fixed in git. https://sourceforge.net/p/qmidiarp/code/ci/master/tree/
- Bug#976138: qmidiarp: died unexpectedly in non/new-sessi... Benoît Rouits
- Bug#976138: qmidiarp: died unexpectedly in non/new-... rosea.grammostola
- Bug#976138: fix in git rosea.grammostola
