Hello
No it hasn’t been implemented yet.
What people didn’t like and caused the removal was the new status bar and the fact it has been implemented without the possibility of reverting it, if I followed things correctly. Not the UI consistency.
This behavior is the same for any company. Apple announces in June the new iOS version that will be available in September ; PayPal announced the support for crypto-currency but it will be available only in weeks/months ; and the list could be huge.
And it was clear in Gaël’s post that it was what was planned and not what has been released: