Update change log

Author: AngeloStavrow

CHANGELOG.md

@@ -50,6 +50,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - [Mac] Bumped WriteFreely package to v0.3.6 to handle decoding of fractional seconds in dates.
 - [Mac] Fixed a bug that prevented a remotely-edited post from updating until you navigated away and back.
 - [Mac] Fixed a bug where posts moved from one blog to another on a different client didn't update in the app.
+- [iOS, Mac] Improved offline experience with 'not connected' messaging.
+- [iOS] Improved compatibility with iOS 17.
 
 ## [1.0.16-ios] - 2023-07-23