- Docs: Set the default_codec doc attribute.
- Fix some documentation issues
- Depend on logstash-core-plugin-api instead of logstash-core, removing the need to mass update plugins on major releases of logstash
- New dependency requirements for logstash-core for the 5.0 release
- 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