It feels a lot like a relay thing.
Have you added a new one recently?
Don’t have more than 15. I find it good using around 10 relays
Also this happened today…
I was welcoming nostr:npub1xw7h0efeg5s8gla2uyu55jh4lfrlgppcjemrwkmdc7lgvhkcz3fqpvumsa & nostr:npub1dcgppk89h9flnffrznvhhj2vt9a0ym23ht5gk07l9j8m6l5k95qsze06js, but instead of tagging Gabriel (in my draft it showed him tagged) it juts posted his npub
🤷♀️🤷♀️🤷♀️🤷♀️ 
It feels a lot like a relay thing.
Have you added a new one recently?
Don’t have more than 15. I find it good using around 10 relays