Based on this, I assume you still know your 17-word mnemonic case, right?
Secondly, nope, they didn't. They just stopped supporting the old wallet source code since April2016 and shifted to the current one which had broken the backward-compatibility but....
blockchain.info has provided a link where those old wallets can be recovered, here it is: https://blockchain.info/wallet/forgot-password
That's not totally "forget password" as the link stated, it can also recover legacy mnemonic phrases.
Lastly, I got a handful of responses received with the same issues and their answers from google-search.