GPRS Shield ver 1.0 vs GPRS Shield ver 0.9

Recently have purchased from you this excellent product, but named as GPRS Shield v 1.0. What is a difference from ver. 0.9, which is described on wiki pages?

Thank You!

hi, as the ver 0.9, it is the beta version,actully, it is “0.9b”. and ver 1.0 stands it is a formal version .it was used for version control in seeedstudio. i have checked these 2 version , there is no difference except the version.
any questions about this are welcome!