Historically the name came first. Engineering would start working on a new version, Foo, and later on Marketing would decide it if was going to be 1.3 or 2.0 A

Historically the name came first. Engineering would start working on a new version, Foo, and later on Marketing would decide it if was going to be 1.3 or 2.0 At least that's how it worked in commercial software. Now the names have taken on a life of their own.