8” after 5.25” would have been a downgrade I think? I was glad to see the back of former (the latter too of course, but a bit later)
I explained how the 8" held far more data than the 5". The HD 5" 1.2 MB didn't appear till the late 80s, early 90s. The 8" 1.2 MB was around about ten years earlier.
8" floppy (IBM-3470 SSSD format was the standard format for CP/M software to be distributed on.)