The WiiKey team have released a new config/setup disc. You can use it to configure the chip to enable region free support on the 1.9b firmware. Yes is appears that the WiiKey team have decided to let the beta firmware be the official firmware to install so the long awaited update is now here in a way
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[07.09.26] Config Disc 1.3
the Config Disc 1.3 is now available for download. USe it to enable the GC Full Regionfree feature on 1.9b firmware.