chore(main): release 4.20.0

Author: LaunchDarklyReleaseBot

.release-please-manifest.json

@@ -1 +1 @@
-{"packages/common":"1.8.1","packages/common_client":"1.14.0","packages/event_source_client":"3.0.0","packages/flutter_client_sdk":"4.19.0"}
+{"packages/common":"1.8.1","packages/common_client":"1.14.0","packages/event_source_client":"3.0.0","packages/flutter_client_sdk":"4.20.0"}

packages/flutter_client_sdk/CHANGELOG.md

@@ -2,6 +2,14 @@
 
 All notable changes to the LaunchDarkly Flutter client-side SDK will be documented in this file. This project adheres to [Semantic Versioning](https://semver.org).
 
+## [4.20.0](https://github.com/launchdarkly/flutter-client-sdk/compare/4.19.0...4.20.0) (2026-06-29)
+
+
+### Features
+
+* Add experimental support for data-saving mode (FDv2). ([#314](https://github.com/launchdarkly/flutter-client-sdk/issues/314)) ([c2f9216](https://github.com/launchdarkly/flutter-client-sdk/commit/c2f9216b3e7dc30f1b0f00c18b680aa32d41a91d))
+* Update launchdarkly_common_client to version 1.14.0 ([#320](https://github.com/launchdarkly/flutter-client-sdk/issues/320)) ([2144c78](https://github.com/launchdarkly/flutter-client-sdk/commit/2144c785f5050cbabd421478219f4b5cd7a935a1))
+
 ## [4.19.0](https://github.com/launchdarkly/flutter-client-sdk/compare/4.18.1...4.19.0) (2026-06-10)
 
 

packages/flutter_client_sdk/example/pubspec.yaml

@@ -33,7 +33,7 @@ dependencies:
   # This defaults to a published package. Using `flutter pub get` will get the package from pub.dev
   # If you run `melos bs` in the root of the repository, then it will be linked to the local version
   # instead.
-  launchdarkly_flutter_client_sdk: 4.19.0 # x-release-please-version
+  launchdarkly_flutter_client_sdk: 4.20.0 # x-release-please-version
 
   # The following adds the Cupertino Icons font to your application.
   # Use with the CupertinoIcons class for iOS style icons.

packages/flutter_client_sdk/lib/src/ld_client.dart

@@ -9,7 +9,7 @@ import 'platform_env_reporter.dart';
 import 'plugin.dart';
 
 const sdkName = 'FlutterClientSdk';
-const sdkVersion = '4.19.0'; // x-release-please-version
+const sdkVersion = '4.20.0'; // x-release-please-version
 
 /// The main interface for the LaunchDarkly Flutter SDK.
 ///

packages/flutter_client_sdk/pubspec.yaml

@@ -1,6 +1,6 @@
 name: launchdarkly_flutter_client_sdk
 description: Official Flutter client-side SDK for LaunchDarkly. Get started using LaunchDarkly today!
-version: 4.19.0
+version: 4.20.0
 homepage: https://github.com/launchdarkly/flutter-client-sdk
 repository: https://github.com/launchdarkly/flutter-client-sdk/tree/main/packages/flutter_client_sdk