It is. But just noticed this. Seems @mempool is running electrs so that might be the better choice if mempool space is your primary concern vs a performant wallet or other software you want to connect to your electrum server. There may be other factors to consider too. 

I tend to say "dont fix it if it aint broke" but dont heed my own advice https://i.nostr.build/hKO71FZrhc7C4n9F.jpg  

 🤦‍♂️ thats their own fork of electrs, but still they forked electrs and not fulcrum