chore: prepare for 3.1.0

Author: hoc081098

CHANGELOG.md

@@ -1,4 +1,4 @@
-## 3.1.0 - TODO
+## 3.1.0 - Oct 15, 2023
 
 -   Update dependencies
     -   `shared_preferences` to `^2.0.18`.
@@ -8,7 +8,7 @@
 
 -   Change `Dart SDK` constraint to `'>=2.17.0 <4.0.0'`.
 
--   Deprecate all `executeUpdate...` extension methods, use `update...` instead.
+-   Deprecate all `executeUpdate...` extension methods, use `update...`s instead.
 
 ## 3.0.0 - Jun 3, 2022
 

README.md

@@ -240,11 +240,6 @@ You can dispose the `RxSharedPreferences` when it is no longer needed.
 Just call `rxPrefs.dispose()`.
 Usually, you call this method on `dispose` method of a Flutter `State`.
 
-> NOTE: If you use the default singleton instance (via `RxSharedPreferences.getInstance()`,
-> you should **not** call the `dispose` method,
-> must keep the instance alive for the entire lifetime of the application.
-
-
 ## Example demo
 
 | [Simple authentication app with `BLoC rxdart pattern`](https://github.com/hoc081098/node-auth-flutter-BLoC-pattern-RxDart.git)               | [Build ListView from Stream using `RxSharedPreferences`](https://github.com/hoc081098/rx_shared_preferences/tree/master/example) | [Change theme and locale (language) runtime](https://github.com/hoc081098/bloc_rxdart_playground/tree/master/flutter_change_theme)    |