gnome 2.15?

[TheRingmaster]

Was there ever a gnome 2.15 release and if yes why did I miss it?

[ComplexNumber]

Was there ever a gnome 2.15 release and if yes why did I miss it?
no, you didn't miss it. gnome 2.15.x is just the development version of gnome 2.16. odd numbers are development releases, whereras even numbers are 'production'(ie stable) versions.

[Brunellus]

odd-numbered releases are 'unstable development' ones. even numbers are 'stable' releases.

[TheRingmaster]

oh

I learn something everyday!