Opening KiCAD twice in macOS
simple :
open -n /Applications/KiCad/KiCad.app
Avec AppleScript Editor :
new script
do shell script "open -n /Applications/KiCad/KiCad.app"
compile
save
change type to "Application"
save
Miscellaneous
Power flag
PWR_FLAGs is a means of telling KiCAD that it doesn't need to make a warning message when checking those nets/lines.
The pwr_flag only exist to keep the DRC happy.