"Last week, Elastic announced they will change their software licensing strategy, and will not release new versions of Elasticsearch and Kibana under the Apache License, Version 2.0 (ALv2). Instead, new versions of the software will be offered under the Elastic License (which limits how it can be used) or the Server Side Public License (which has requirements that make it unacceptable to many in the open source community). This means that Elasticsearch and Kibana will no longer be open source software. In order to ensure open source versions of both packages remain available and well supported, including in our own offerings, we are announcing today that AWS will step up to create and maintain a ALv2-licensed fork of open source Elasticsearch and Kibana."
Elastic’s side of the story: