Release-Notes.md

+### **Version 8.3.0**
+
+Released on: 2024-09-28
+
+**Enhancements**
+- Google OAuth support for SMTP and IMAP.
+
+**Bug Fixes**
+- E_ALL compatibility for PHP 8.x
+- Other closed issues on [8.3.0 milestone](https://code.vtiger.com/vtiger/vtigercrm/-/milestones/15#tab-issues)
+
 ### **Version 8.2.0**
 
 Released on: 2024-05-15