Every couple of months I like to share with new people or people on new instances how to add #Mastodon timelines into #rss feeds:
https://mastodon.sdf.org/@cosullivan.atom

Roll your own: https://[federated.instance]/@[userid].atom

Could be worth trying if your favourite accounts are 8-16hrs away, or if you detect spotty synchronization issues between instances. #Mastodon101 #rss