[docs] 7.4 release highlights and breaking changes (#2734)

docs/guide/apm-breaking-changes.asciidoc

@@ -3,6 +3,7 @@
 
 This section discusses the changes that you need to be aware of when migrating your application from one version of APM to another.
 
+* <<breaking-7.4.0>>
 * <<breaking-7.3.0>>
 * <<breaking-7.2.0>>
 * <<breaking-7.1.0>>
@@ -21,6 +22,13 @@ Also see <<apm-release-notes>>.
 
 // end::notable-v8-breaking-changes[]
 
+[[breaking-7.4.0]]
+=== 7.4.0 APM Breaking changes
+
+// tag::notable-v74-breaking-changes[]
+No breaking changes.
+// tag::notable-v74-breaking-changes[]
+
 [[breaking-7.3.0]]
 === 7.3.0 APM Breaking changes
 

docs/guide/apm-release-notes.asciidoc

@@ -7,6 +7,7 @@ For a full list of changes, see the
 {apm-server-ref-v}/release-notes.html[APM Server Release Notes] or the
 {kibana-ref}/release-notes.html[Kibana Release Notes].
 
+* <<release-highlights-7.4.0>>
 * <<release-highlights-7.3.0>>
 * <<release-highlights-7.2.0>>
 * <<release-highlights-7.1.0>>
@@ -24,6 +25,42 @@ For a full list of changes, see the
 
 // end::notable-v8-highlights[]
 
+[[release-highlights-7.4.0]]
+=== APM version 7.4.0
+
+// tag::notable-v74-highlights[]
+
+*APM app in Kibana*
+
+* {kibana-ref}/filters.html#contextual-filters[Contextual filters]:
+Explore your APM data in new ways with our new local filters.
+With just a click, you can filter your transactions by type, result, host name, and/or agent name.
+
+[role="screenshot"]
+image::images/structured-filters.jpg[Structured filters in the APM UI]
+
+* {kibana-ref}/transactions.html#rum-transaction-overview[Geo-location performance visualization chart]:
+Visualize performance information about your end users'
+experience based on their geo-location.
+
+[role="screenshot"]
+image::images/geo-location.jpg[Geo-location visualization]
+
+*APM Agents*
+
+* {apm-overview-ref-v}/observability-integrations.html[Log integration]:
+Navigate from a distributed trace to any relevant logs -- without using trace context -- via the APM app.
+* {apm-rum-ref}/angular-integration.html[RUM Angular instrumentation]:
+Out of the box Angular instrumentation is here!
+Instrument your single page applications written in Angular.js without the need to manually create or rename transactions.
+* https://github.com/elastic/java-ecs-logging[JAVA ECS Logging library]:
+Easily convert your logs to ECS-compatible JSON without creating an additional pipeline.
+* {apm-dotnet-ref}/supported-technologies.html[.NET agent full framework support]:
+Out of the box instrumentation for the .NET framework.
+Say goodbye to APIs, your ASP.NET web applications are now plug and play ready with Elastic APM.
+
+// end::notable-v74-highlights[]
+
 [[release-highlights-7.3.0]]
 === APM version 7.3.0
 
@@ -45,8 +82,12 @@ beta[] In addition to the transaction duration and throughput charts, the 7.3
 release adds aggregated service breakdown charts for services. These charts help
 you visualize where your application and services are spending most of their
 time, allowing you to get to the root cause of a performance problem quickly.
-These charts are available in Beta with support for certain APM agents(Java, Go,
-Node.js, Python).
+These charts are available in Beta with support for certain APM agents:
+
+* Java added[1.8.0]
+* Go added[1.5.0]
+* Node.js added[2.13.0]
+* Python added[5.0.0]
 
 [role="screenshot"]
 image::images/apm-highlight-breakdown-charts.png[Aggregate service breakdown charts]