They turned off the Quote update for 2013 around Oct. 11, 2019. Seems like around Nov 12, 2019 they also found an old server or loophole that let Q2012 users still download quotes.
Even after Quicken 2013 was discontinued (sunsetted) April 30, 2016 we could still download quotes until around Oct. 11, 2019. Same thing happened in my 2004 version. I still got quotes for a couple years past the cutoff. Here's one post,
I'm staying on Quicken 2013 Premier for Windows.