I have one of the first GRBLshields from way back from when they were first offered for sale. At the time I flashed an Arduino UNO with GRBL 0.6 as directed and it all worked great.
If I reflash the UNO with GRBL 1.1, will the GRBLshield still work? I know the new gShields are compatible with unmodified GRBL, but what about the old board?