Just a few growth stats and updates on key activities. Nothing too important - just a nice gesture in return for a nice gesture. Happy to add items to the email if you want them
Out of curiosity, what software are you using to run and manage your mailing list?
We just switched to Intercom (from manual). If there are better suggestions then I'd also like to hear them - email seems like a space that has a lot of players and none very good.