Seem to be working OK again after the Discourse update.
Not sure if these issues are related but I was able to upload multiple photos on my phone for the first time in forever.
Trying it out:
https://www.sfgate.com/food/article/mystery-of-bay-area-celias-mexican-restaurants-sf-19527781.php
https://www.sfgate.com/food/article/mystery-of-bay-area-celias-mexican-restaurants-sf-19527781
(I think the sfgate issue is on their end, not Discourse.)