What ever happened to using GiB to avoid confusion? Also, I don't buy it being a bug with that, that'd mean the app is doing its space calculations in gigabyte

What ever happened to using GiB to avoid confusion? Also, I don't buy it being a bug with that, that'd mean the app is doing its space calculations in gigabytes internally, instead of in bytes. Who does that? It's probably empty storage over-provisioning space.