Migrating from KiCad4 to KiCad5.0 and 5.1

[nhatkhai]

You can try my python script bom2csv and bom2sch to rename/correcting the symbols link quickly from spreedsheet program, then update the back directly to your schematic. It may save you time for this manual steps.

Back import custom fields

I just public this bom_plugins/bom2sch.py from here, it may help you to backport value if the custom fields already defined in your schematic; {EDITED} python bom2csv.py XXX YYY Where input file XXX can be root .sch file, or .xml file. YYY is a output csv file name python bom2sch.py YYY [XXX] Where output file XXX can be root .sch file. YYY is a input csv file name.