updates changelog

Author: Evan Greer

CHANGELOG.md

@@ -5,7 +5,18 @@ This project adheres to [Semantic Versioning](http://semver.org/).
 ## [Unreleased]
 
 ## [3.5.11]
-- Adding section for unreleased changes
+
+### Fixed
+- Fixed issue where text container shrinks when buttons are not present for the embedded OOTB views.
+- Fixed issue where crashes are occurring due to conflicts in deep link handling
+
+### Added
+- Added plain text fallback for data storage when encryption fails.
+- Added support for providing a list of placement ids to sync only certain placement ids.
+- support for pre-release automation
+
+### Removed
+- Removed Beta SDK disclaimer from the readme
 
 ## [3.5.10]