I switched from CM7 back to DK after a while (4.6.1) and I don't have any bug; everything just runns as it should (using wifi,cam,music, didn't test GPS yet)
choose english and after a reboot the keyboard was automatically german, i don't know if its german in the settings, but layout and dictionary are german.
Here you go:
you can replace the recovery.img file inside the .zip with every new version but you have to rename it to recovery.img!
Is it normal for the notification LED to go GREEN even if the battery is only 90% charged, and is still charging?
Yes. Your battery is still loading just the LED is green.