Update CHANGELOG.md

Author: matthewpi

CHANGELOG.md

@@ -3,6 +3,21 @@ This file is a running track of new features and fixes to each version of the pa
 
 This project follows [Semantic Versioning](http://semver.org) guidelines.
 
+## v1.10.3
+### Fixed
+* S3 Backup driver now supports Cloudflare R2.
+* Node FQDNs can now be used with AAAA records with no A records present.
+* Server transfers can no longer be initiated if the server is being installed, transferred, or restoring a backup.
+* Fixed an issue relating to the use of arrays in the `config_files` field with eggs.
+* Fixed `oom_disabled` not being mapped in the Application API when creating a new server.
+
+### Added
+* File manager now supports selecting multiple files for upload (when using the upload button).
+* Added a configuration option for specifying the S3 storage class for backups.
+
+### Changed
+* Servers will now show the current uptime when the server is starting rather than only showing when the server is marked as online.
+
 ## v1.10.2
 ### Fixed
 * Fixes a rendering issue with egg descriptions in the admin area