Quotation from Raffaele Spazzoli at Februar 17, 2019 16:21:
> I'm using wireguard to build a VPN mesh. The nodes of the mesh are dynamic
> and can come and go at any time. Is there a way to reconfigure a wireguard
> device without restarting it or losing the current connections?

yes.

> If yes, how can it be done?

other way around: configure wireguard with the `wg` command
and  that is persisted to the configuration file.

on restart the file is read and your config applied.

M. Dietrich