> It's not quite a new profile since the container retains all your configuration and extensions and a profile doesn't.
Other way around. Profiles retain configuration and extensions between sessions.
Other way around. Profiles retain configuration and extensions between sessions.
Containers: Use the same configuration and extensions across different containers in one running Firefox instance.
Both retain configuration and extensions between traditional browser sessions (start/stop). Containers additionally "retain" configuration and extensions across contextual sessions/identities.