Yes, Cpanel::JSON::XS can be configured to be closer to the original Mojo::JSON behaviour. And the maintainer has historically been more cooperative with efforts to make Perl JSON modules compatible with each other.
Indeed, MLEHMANN's (JSON::XS maintainer) difficult personality was one of the main reasons why Cpanel::JSON::XS was created and why it has gained so much popularity despite being almost identical functionally.
The name is a bit unfortunate though as Cpanel itself still refuses to use it for political reasons. There is a high-profile jerk there running an agenda for his own personal profit. So I rather want to persuade Lehmann to give me his namespace and continue with it under the original name.