[DOCS] What's new in 7.10. (#352) (#359)

* updates for 7.10.

* feedback/build fix.

* removing links so the build can pass.

Author: jmikell821

docs/whats-new.asciidoc

@@ -9,10 +9,24 @@
 coming::[7.10.0]
 
 [discrete]
-[[sec-ml-7.10-changes]]
-=== Twelve new {anomaly-detect} configurations
+[[sec-7.10-term-changes]]
+=== Terminology changes
+
+* *Ingest Manager* has been renamed to *Fleet*.
+* *Configuration* has been renamed to *Policy*.
 
-{elastic-sec} now provides additional {anomaly-jobs} for {auditbeat} and
+[discrete]
+[[enhancements-7.10]]
+=== New features
+* New support for macOS 11.0 (Big Sur).
+* Enhanced user interface for the <<admin-page-ov, Endpoint Administration>> page.
+* Add <<trusted-apps-ov, trusted applications>> to avoid performance or compatibility issues.
+* New Event Correlation rule type>> based on {ref}/eql.html[EQL (Event Query Language)].
+* New Indicator Match rule type to create alerts for index field values that match threat indices.
+* Free, open detections in the https://github.com/elastic/detection-rules#detection-rules[Detection Rules repo].
+* New <<timelines-ui, timeline enhancements>> that include detection alert actions.
+* Connect and send <<cases-overview, cases>> to external systems (ServiceNow, Jira, Resilient)
+* In addition to new <<prebuilt-rules, prebuilt rules>> for 7.10, {elastic-sec} now provides additional {anomaly-jobs} for {auditbeat} and
 {winlogbeat} data. Twelve new metadata and discovery analysis jobs have been
 added to enable threat detection on metadata services, system and discovery
 processes, and compiler events. For the full list, see <<prebuilt-ml-jobs>>.