I often make small changes to large files, so this matters to me. Does iCloud or anyone else handle changes this way, or just Dropbox? I’ve used Dropbox forever

I often make small changes to large files, so this matters to me. Does iCloud or anyone else handle changes this way, or just Dropbox? I’ve used Dropbox forever, but it feels like more of a commodity these days, and I’m finally paying for iCloud storage.