However, X-Pack license remains non free. What changes is that the code is now visible.
This operation entailed substantial changes, especially with the build system, especially for Kibana.
Read our Side-by-side feature comparison between X-Pack and ReadonlyREST Enterprise.
How does this affect the new release of ReadonlyREST?
Well, it really doesn’t. In fact, ReadonlyREST still remains the only Open Source / Free Software alternative for Elasticsearch. And with today’s release it’s available for 6.3.0 as well.
NB: At the moment, ReadonlyREST plugins for Kibana (PRO and Enterprise) are only compatible for the open source version of Kibana (the one that is built without X-pack).