probably noob question for @digitalis :
mmmmm… you use the test sources for obtain 17.6 of kodi ?
EDIT
The answers it’s yes… and it’s here → [TESTING] Debian Stretch upgrade for OSMC 
probably noob question for @digitalis :
mmmmm… you use the test sources for obtain 17.6 of kodi ?
EDIT
The answers it’s yes… and it’s here → [TESTING] Debian Stretch upgrade for OSMC