I can't offer support on this, but please let me know how you get on. I have done some basic tests and it seems to be working.
There is guidance here:
https://www.phpbbservices.com/my-software/smartfeed_wp/
If you currently subscribe to loads of threads via email, please can you try switching to this instead. Thank you.
To use it, start by clicking the 'Smartfeed' icon on the top menu bar.
Feedback please!
![Image](https://i.ibb.co/Rhgt8x7/rss.png)
![Image](https://i.ibb.co/JmbH4xf/rss2.png)