I’ve been able to successfully link a manual transaction to a recurring bill in the past, but I tried today and it wasn’t updating. I double checked the instructions
here, and I did everything it said. It still is not linking the transactions. I tried on both the web (just didn’t find any transactions to link) and the mobile iOS app (found the transaction, but just never linked).
I also updated several transactions (added notes and tags and categories) on the web, but then they all were lost when the page refreshed. These might be separate issues, but thought I would add just in case it’s related!