- Elasticsearch 2.0 does not allow field names with dots in them. This is a
breaking change which replaces the
.with an underscore,_
- Plugins were updated to follow the new shutdown semantic, this mainly allows Logstash to instruct input plugins to terminate gracefully, instead of using Thread.raise on the plugins' threads. Ref: elastic/logstash#3895
- Dependency on logstash-core update to 2.0