MC-6298: Beta 3 docs release notes

Initial commit

Author: bdenham

docs/component-status2.md

@@ -1,6 +1,6 @@
 # Component status
 
-**Last Updated: December 10, 2018**
+**Last Updated: December 19, 2018**
 
 <style type="text/css" style="display: none">
 .status {

docs/release-notes.md

@@ -2,6 +2,23 @@
 
 Here are the Page Builder beta release notes and the higher priority known issues. We are actively working on many of these items and will update this document with each beta release.
 
+## Beta 3 - December 19, 2018
+
+
+
+- Improved: Handling of invalid Google Maps API keys <!-- MC-5723 -->
+
+- Removed: Legacy overlay transparency field from banner & slider in favor of using the color picker <!-- MC-3895 -->
+
+- Resolved: Box sizing issues on storefront and Admin <!-- MC-5079 --> 
+
+- Resolved: Issue with initiation of tabs breaking in certain scenarios <!-- MC-5363 --> 
+
+- Resolved: Performance issues with "Edit with Page Builder" button in category and product areas <!-- MC-5403 --> 
+
+- Resolved: Numerous issues within staging slide out <!-- MC-5423 --> 
+
+
 ## Beta 2 - December 10, 2018
 
 - Resolved: Image inside Text Content Type is scaled on stage <!-- MC-3509 -->