Update readme for January release (#3595)

* Update readme for December release

* Fix spelling

* Update release date to 12/13

* added release note items and fixed a small misspell

* Update release date to Dec 18

* Update release date

CHANGELOG.md

@@ -1,5 +1,27 @@
 # Change Log
 
+## Version 1.3.8
+* Release date: January 9, 2018
+* Release status: General Availability
+
+## What's new in this version
+* #13 Feature Request: Azure Active Directory Authentication
+* #1040 Stream initial query results as they become available
+* #3298 Сan't add an azure account.
+* #2387 Support Per-User Installer
+* SQL Server Import updates for DACPAC\BACPAC
+* SQL Server Profiler UI and UX improvements
+* Updates to [SQL Server 2019 extension](https://docs.microsoft.com/sql/azure-data-studio/sql-server-2019-extension?view=sql-server-ver15)
+* **sp_executesql to SQL** and **New Database** extensions
+
+## Contributions and "thank you"
+We would like to thank all our users who raised issues, and in particular the following users who helped contribute fixes:
+
+* Tarig0  for `Add Routine_Type to CreateStoredProc fixes #3257 (#3286)`
+* oltruong  for `typo fix #3025'`
+* Thomas-S-B for `Removed unnecessary IErrorDetectionStrategy #749`
+* Thomas-S-B for `Simplified code #750`
+
 ## Version 1.2.4
 * Release date: November 6, 2018
 * Release status: General Availability