AltStore Beta stole my App IDs from my Youtube alt app

When upgrading to 1.6rc, AltStore Beta appears to have stolen the App IDs of my Youtube alt app, and now shows itself as Youtube (replacing my Youtube alt in My Apps:

More tellingly, when I try to install a newer Youtube alt, it fails with a strange error about mismatched App IDs:

Error Domain=IXErrorDomain Code=2 "Failed to set app extension placeholders for com.MYDEVID123.com.rileytestut.AltStore.Beta" UserInfo={NSLocalizedFailureReason=Failed to create promise., NSLocalizedDescription=Failed to set app extension placeholders for com.MYDEVID123.com.rileytestut.AltStore.Beta, FunctionName=+[IXPlaceholder _placeholderForBundle:client:withParent:installType:metadata:placeholderType:error:], SourceFileLine=849, NSUnderlyingError=0x71ae40510 {Error Domain=IXErrorDomain Code=8 "Attempted to set app extension placeholder promise with bundle ID com.google.ios.youtube.MYDEVID123.ShareExtension that does not match required prefix of com.MYDEVID123.com.rileytestut.AltStore.Beta. for parent" UserInfo={NSLocalizedDescription=Attempted to set app extension placeholder promise with bundle ID com.google.ios.youtube.MYDEVID123.ShareExtension that does not match required prefix of com.MYDEVID123.com.rileytestut.AltStore.Beta. for parent, FunctionName=-[IXPlaceholder setAppExtensionPlaceholderPromises:error:], SourceFileLine=1331, NSLocalizedFailureReason=Mismatched bundle IDs.}}}