The RFC 6265 is the latest specification for HTTP cookies. The NewCookie indicates it supports the obsolete RFC 2109 specification. We should add an option to enable RFC 6265 parsing support.

With this, we need to look at how RESTEasy sends the Set-Cookie header and see if here is a way to also support RFC 6265. We might need to make an explicit API in RESTEasy to allow additional parameters, for example Partitioned to be sent on the header.