So Waninkoko said he was going to release cIOS rev21 ~October Warning: Spoilers inside! Custom IOS Rev21 is in beta state and its development stopped. After some testing, I'll fix the remaining bugs and release it. ~October Source We have November now and he hasnt released it yet, but stated via Twitter, that he does not have time for cIOS rev21 and he will release public betas instead. Warning: Spoilers inside! I don't have time for cIOS rev21, I'll release public beta versions. Everybody will enjoy it and notify bugs before the final release. Source I think he is busy with PS3 stuff.