Substack has problems too. For hosted foss services, write.as (https://write.as/ https://write.as/) and bearblog (https://bearblog.dev/ https://bearblog.dev/)

Substack has problems too. For hosted foss services, write.as (https://write.as/ https://write.as/) and bearblog (https://bearblog.dev/ https://bearblog.dev/) are good. If self-hosting, the choices are infinite.