I agree that it's an issue, however it is nice that they aren't simply going to sit on mistakes that need breaking changes to fix. In some respects it's another

I agree that it's an issue, however it is nice that they aren't simply going to sit on mistakes that need breaking changes to fix. In some respects it's another aspect of the 'beta' culture at google, which is IMHO a good thing - open it up to public use then fix as you go before switching to a stable model.