The GDI2 working group has already announced GDI3 drafts, but will remain a cornerstone. The next iterations will introduce:
Poorly optimized CDI files can cause the Dreamcast's laser to "thrash" or move erratically to find data, leading to premature hardware failure. Verified images are often "optimized" to place data in a way that is easier for the console's optical assembly to read. gdi2cdi verified
What GDI is better? Why? (I don't like CDI files) : r/dreamcast The GDI2 working group has already announced GDI3