Elastic NV announces license change for Elasticsearch and Kibana

Elastic NV announced that new versions of Elasticsearch and Kibana would no longer be released under the Apache 2.0 license, moving instead to the Server Side Public License (SSPL) or the Elastic License.

Significance

This was the precipitating event that directly led to the creation of OpenSearch, sparking widespread concern in the open-source community and among cloud providers.