Heads-up, those other Electrum server implementations aren't as lightweight as EPS.
If you're looking for similar implementation, Sparrow wallet has a very similar approach to connect to Bitcoin Core but supports descriptor wallet.
That's if you're open to switch from Electrum to Sparrow.

In case someone is interested to merge EPS to Electrum,
Please consider replying to this issue (posted by the dev himself): Fix EPS and build it into Electrum #8142