I'm also curious as to how you solved this problem. My KOA was updated yesterday to 5.9.2.0.1. The jailbreak survived, and I was able to run MrPI via `;log mrpi` to reinstall KUAL 2.7, python, USBnetworking, and linkss, without any reported errors for the installation.
The screensaver hack works as-expected, as does USBNetworking. The KUAL booklet, however, doesn't function properly. As reported above, when I select the KUAL booklet, it opens to a blank page. The status toolbar displays as usual (where the battery status and time are displayed), and the device is responsive to orientation changes (flipping the screen as the device is flipped), but there is no way to exit the blank page without forcing a reboot.
I've installed the nomax jailbreak hotfix, and reinstalled the snapshot versions of KUAL, the helper mods, to no avail. The KUAL booklet continues to act in the above manner.
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