Updated CHANGELOGS.md for 5.1.

CHANGELOG.md

@@ -8,20 +8,24 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 This changelog file was started on October 2019. Previous changes were more or less tracked in the *NEWS* file.
 
-## [5.1.0] Unreleased
+## Unreleased
+
+
+## [5.1.0] 2022-02-14
 
 ### Added
 - LinphoneRecorder API added to record voice messages, that can later be sent in a LinphoneChatMessage.
 - A recommended video definitions list that filter the supported video definitions list.
 - 1080p is added to the list of supported definitions for Android and iOS targets.
 - Android device rotation is now handled by PlatformHelper, apps no longer need to do it.
+- LDAP connectivity into LinphoneMagicSearch API (to lookup contacts by number or name).
+  This feature relies on OpenLDAP, and is for this version limited to Linux and Windows platform. 
 
 ### Changed
-- Java wrapper no longer catches app exceptions that happen in listener
+- Java wrapper no longer catches app exceptions that happen in listeners.
 - linphone_core_enable_mic() is changed to be persistent accross calls and conference. It no longer
-  resets after each call or conference. To avoid clarify with linphone_call_set_microphone_muted() and 
-  linphone_conference_set_microphone_muted(), an AND operation between the two levels is made to determine
-  the actual microphone state.
+  resets after each call or conference. An AND operation with enablement given by linphone_call_set_microphone_muted() and 
+  linphone_conference_set_microphone_muted() is made to determine the actual microphone state.
 
 ### Security fixes
 - To protect against "SIP digest leak", MD5 and digestion without qop=auth can be disabled by configuration