Hi all - new comer here too. My wife is applying for her priority spouse visa from Los Angeles, CA. I'm a British citizen, and she's an American citizen. Here's our timeline:
Visa type: Priority Spouse
Submitted application online (IHS paid etc): 6th October 2017
Biometrics submitted: 10th October 2017
Documents sent to Sheffield: 13th October 2017 (and it was a Friday!
)
Documents arrived in Sheffield: 16th October 2017 (RM special delivery from London)
UKVI email me to confirm reciept of documents: 23rd October 2017 (! - a week later)
Called UKVI's support line: 27th October 2017 (note to others - don't do it, it's not worth the £10/20 you'll spend waiting for them to pull up your application to say that there's no updates. The person did tell us that it's in the 2nd stage, awaiting review by a clearance officer)
No other updates since. It seems like quite a few people that have submitted in October are having to wait a while. I'll update this post as and when I have new information.