I submitted a request with the ombudsman in June and the Nebraska center told them my application was in line to be reviewed. I submitted a request for an update yesterday, and this is what the ombudsman responded (which is not helpful!! Today marks 6 months since USCIS received my application):

Dear Sir/Madam,

Thank you for your email. We understand your concerns and the difficulties you must be facing. Please understand that we are actively working on your case and we have already initiated dialogue with USCIS about your application. Your case remains under review. We will provide you with an update as soon as we receive one from USCIS. Until we have a response from USCIS, there is no additional information that we can provide.

We thank you for your continued patience.