Beats version 7.5.1

Affecting all Beats

Fix proxy_url option in Elasticsearch output. 14950
Fix bug with potential concurrent reads and writes from event.Meta map by Kafka output. 14542 14568
Fix license detection, when a beats successfully connect to Elasticsearch the detected license will be show in the log at info level. 15834
Fix the parameters option configured in the Elasticsearch output so the values are added to the query string on bulk request. 18325

Filebeat

Change iis url path grok pattern from URIPATH to NOTSPACE. 12710 13225 7951 13378 14754
Fix azure filesets test files. 14185 14235
Update Logstash module’s Grok patterns to support Logstash 7.4 logs. 14743
Remove references to non-existent Zeek signatures fileset. 18878

Metricbeat

Fix perfmon expanding counter path/adding counter to query when OS language is not english. 14684 14800
Add extra check on ignore_non_existent_counters flag if the PdhExpandWildCardPathW returns no errors but does not expand the counter path successfully in windows/perfmon metricset. 14797
Fix rds metricset from reporting same values for different instances. 14702
Closing handler after verifying the registry key in diskio metricset. 14683 14759
Fix docker network stats when multiple interfaces are configured. 14586 14825
Fix ListMetrics pagination in aws module. 14926 14942
Fix CPU count in docker/cpu in cases where no online_cpus are reported 15070
Add domain state to kvm module 17673
Fix Kubernetes Overview Dashboard to correctly display non 10s intervals for node usage 19675