BinaryDelt on 26 July 2013
I haven't seen any of the IGNs or JoyStiqs of the world report this yet, so I until I see something a bit more official I'll remain skeptical.
That being said, remembering that the PS3 only had 512 MB and more and more was freed up for games over time, I don't think this is a big deal. Games have up to 5.5 GB available to them on launch day. Over time in the generation, both the games and OS will be updated to be more efficient.
