Are you on the pwa? It might be worth reinstalling it.
If you’re on a computer refreshing might help
I will re install the PWA on my Graphene OS phone and my old android. I also access the site on a Linux Ubuntu. The PWA crashed during the mess and I haven't reinstalled it. I use Brave on the Ubuntu and as of last night I was getting the repeat notifications and what seemed to be a rollback of my feed of a few hours. Everything seems okay right now.
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Sometimes caches can get corrupted/inaccurate. @Wumbo reported this behavior too though.
I’ll try to see if there’s something I’m doing that’s causing it
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When I was experiencing this (no longer having this issue) I was using it via the web browser (just adding another data point).
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