diff --git a/packages/android_alarm_manager/CHANGELOG.md b/packages/android_alarm_manager/CHANGELOG.md
index 0242195..84df147 100644
--- a/packages/android_alarm_manager/CHANGELOG.md
+++ b/packages/android_alarm_manager/CHANGELOG.md
@@ -1,3 +1,7 @@
+## 0.4.5+10
+
+* Declare API stability and compatibility with `1.0.0` (more details at: https://github.com/flutter/flutter/wiki/Package-migration-to-1.0.0).
+
 ## 0.4.5+9
 
 * Fix CocoaPods podspec lint warnings.
diff --git a/packages/android_alarm_manager/README.md b/packages/android_alarm_manager/README.md
index a480988..e7c7f6e 100644
--- a/packages/android_alarm_manager/README.md
+++ b/packages/android_alarm_manager/README.md
@@ -5,6 +5,13 @@
 A Flutter plugin for accessing the Android AlarmManager service, and running
 Dart code in the background when alarms fire.
 
+**Please set your constraint to `android_alarm_manager: '>=0.4.y+x <2.0.0'`**
+
+## Backward compatible 1.0.0 version is coming
+The plugin has reached a stable API, we guarantee that version `1.0.0` will be backward compatible with `0.4.y+z`.
+Please use `android_alarm_manager: '>=0.4.y+x <2.0.0'` as your dependency constraint to allow a smoother ecosystem migration.
+For more details see: https://github.com/flutter/flutter/wiki/Package-migration-to-1.0.0
+
 ## Getting Started
 
 After importing this plugin to your project as usual, add the following to your
diff --git a/packages/android_alarm_manager/pubspec.yaml b/packages/android_alarm_manager/pubspec.yaml
index 9bfc92c..adc1f93 100644
--- a/packages/android_alarm_manager/pubspec.yaml
+++ b/packages/android_alarm_manager/pubspec.yaml
@@ -1,7 +1,10 @@
 name: android_alarm_manager
 description: Flutter plugin for accessing the Android AlarmManager service, and
   running Dart code in the background when alarms fire.
-version: 0.4.5+9
+# 0.4.y+z is compatible with 1.0.0, if you land a breaking change bump
+# the version to 2.0.0.
+# See more details: https://github.com/flutter/flutter/wiki/Package-migration-to-1.0.0
+version: 0.4.5+10
 homepage: https://github.com/flutter/plugins/tree/master/packages/android_alarm_manager
 
 dependencies:
diff --git a/packages/android_intent/CHANGELOG.md b/packages/android_intent/CHANGELOG.md
index 240b0ee..4d63b0c 100644
--- a/packages/android_intent/CHANGELOG.md
+++ b/packages/android_intent/CHANGELOG.md
@@ -1,3 +1,7 @@
+## 0.3.7+2
+
+* Declare API stability and compatibility with `1.0.0` (more details at: https://github.com/flutter/flutter/wiki/Package-migration-to-1.0.0).
+
 ## 0.3.7+1
 
 * Fix CocoaPods podspec lint warnings.
diff --git a/packages/android_intent/README.md b/packages/android_intent/README.md
index a6e4a42..f7dfdfe 100644
--- a/packages/android_intent/README.md
+++ b/packages/android_intent/README.md
@@ -4,6 +4,14 @@
 is Android. If the plugin is invoked on iOS, it will crash your app. In checked
 mode, we assert that the platform should be Android.
 
+
+**Please set your constraint to `android_intent: '>=0.3.y+x <2.0.0'`**
+
+## Backward compatible 1.0.0 version is coming
+The plugin has reached a stable API, we guarantee that version `1.0.0` will be backward compatible with `0.3.y+z`.
+Please use `android_intent: '>=0.3.y+x <2.0.0'` as your dependency constraint to allow a smoother ecosystem migration.
+For more details see: https://github.com/flutter/flutter/wiki/Package-migration-to-1.0.0
+
 Use it by specifying action, category, data and extra arguments for the intent.
 It does not support returning the result of the launched activity. Sample usage:
 
diff --git a/packages/android_intent/pubspec.yaml b/packages/android_intent/pubspec.yaml
index f4513c6..2e78627 100644
--- a/packages/android_intent/pubspec.yaml
+++ b/packages/android_intent/pubspec.yaml
@@ -1,7 +1,10 @@
 name: android_intent
 description: Flutter plugin for launching Android Intents. Not supported on iOS.
 homepage: https://github.com/flutter/plugins/tree/master/packages/android_intent
-version: 0.3.7+1
+# 0.3.y+z is compatible with 1.0.0, if you land a breaking change bump
+# the version to 2.0.0.
+# See more details: https://github.com/flutter/flutter/wiki/Package-migration-to-1.0.0
+version: 0.3.7+2
 
 flutter:
   plugin:
@@ -24,4 +27,4 @@
 
 environment:
   sdk: ">=2.3.0 <3.0.0"
-  flutter: ">=1.12.13+hotfix.5 <2.0.0"
\ No newline at end of file
+  flutter: ">=1.12.13+hotfix.5 <2.0.0"
diff --git a/packages/connectivity/connectivity/CHANGELOG.md b/packages/connectivity/connectivity/CHANGELOG.md
index 58f5d56..ba432a7 100644
--- a/packages/connectivity/connectivity/CHANGELOG.md
+++ b/packages/connectivity/connectivity/CHANGELOG.md
@@ -1,3 +1,7 @@
+## 0.4.8+5
+
+* Declare API stability and compatibility with `1.0.0` (more details at: https://github.com/flutter/flutter/wiki/Package-migration-to-1.0.0).
+
 ## 0.4.8+4
 
 * Bump the minimum Flutter version to 1.12.13+hotfix.5.
diff --git a/packages/connectivity/connectivity/README.md b/packages/connectivity/connectivity/README.md
index 641de92..f51be07 100644
--- a/packages/connectivity/connectivity/README.md
+++ b/packages/connectivity/connectivity/README.md
@@ -7,6 +7,13 @@
 > Note that on Android, this does not guarantee connection to Internet. For instance,
 the app might have wifi access but it might be a VPN or a hotel WiFi with no access.
 
+**Please set your constraint to `connectivity: '>=0.4.y+x <2.0.0'`**
+
+## Backward compatible 1.0.0 version is coming
+The plugin has reached a stable API, we guarantee that version `1.0.0` will be backward compatible with `0.4.y+z`.
+Please use `connectivity: '>=0.4.y+x <2.0.0'` as your dependency constraint to allow a smoother ecosystem migration.
+For more details see: https://github.com/flutter/flutter/wiki/Package-migration-to-1.0.0
+
 ## Usage
 
 Sample usage to check current status:
diff --git a/packages/connectivity/connectivity/pubspec.yaml b/packages/connectivity/connectivity/pubspec.yaml
index 7404a9e..1ebc902 100644
--- a/packages/connectivity/connectivity/pubspec.yaml
+++ b/packages/connectivity/connectivity/pubspec.yaml
@@ -2,7 +2,10 @@
 description: Flutter plugin for discovering the state of the network (WiFi &
   mobile/cellular) connectivity on Android and iOS.
 homepage: https://github.com/flutter/plugins/tree/master/packages/connectivity/connectivity
-version: 0.4.8+4
+# 0.4.y+z is compatible with 1.0.0, if you land a breaking change bump
+# the version to 2.0.0.
+# See more details: https://github.com/flutter/flutter/wiki/Package-migration-to-1.0.0
+version: 0.4.8+5
 
 flutter:
   plugin:
diff --git a/packages/connectivity/connectivity_macos/CHANGELOG.md b/packages/connectivity/connectivity_macos/CHANGELOG.md
index b95c3c4..814239a 100644
--- a/packages/connectivity/connectivity_macos/CHANGELOG.md
+++ b/packages/connectivity/connectivity_macos/CHANGELOG.md
@@ -1,3 +1,7 @@
+## 0.1.0+4
+
+* Declare API stability and compatibility with `1.0.0` (more details at: https://github.com/flutter/flutter/wiki/Package-migration-to-1.0.0).
+
 ## 0.1.0+3
 
 * Bump the minimum Flutter version to 1.12.13+hotfix.5.
@@ -24,4 +28,4 @@
 
 ## 0.0.1
 
-* Initial open source release.
\ No newline at end of file
+* Initial open source release.
diff --git a/packages/connectivity/connectivity_macos/README.md b/packages/connectivity/connectivity_macos/README.md
index d63803a..464f7d7 100644
--- a/packages/connectivity/connectivity_macos/README.md
+++ b/packages/connectivity/connectivity_macos/README.md
@@ -2,6 +2,13 @@
 
 The macos implementation of [`connectivity`].
 
+**Please set your constraint to `connectivity_macos: '>=0.1.y+x <2.0.0'`**
+
+## Backward compatible 1.0.0 version is coming
+The plugin has reached a stable API, we guarantee that version `1.0.0` will be backward compatible with `0.1.y+z`.
+Please use `connectivity_macos: '>=0.1.y+x <2.0.0'` as your dependency constraint to allow a smoother ecosystem migration.
+For more details see: https://github.com/flutter/flutter/wiki/Package-migration-to-1.0.0
+
 ## Usage
 
 ### Import the package
diff --git a/packages/connectivity/connectivity_macos/pubspec.yaml b/packages/connectivity/connectivity_macos/pubspec.yaml
index 64e4846..968b0e8 100644
--- a/packages/connectivity/connectivity_macos/pubspec.yaml
+++ b/packages/connectivity/connectivity_macos/pubspec.yaml
@@ -1,6 +1,9 @@
 name: connectivity_macos
 description: macOS implementation of the connectivity plugin.
-version: 0.1.0+2
+# 0.1.y+z is compatible with 1.0.0, if you land a breaking change bump
+# the version to 2.0.0.
+# See more details: https://github.com/flutter/flutter/wiki/Package-migration-to-1.0.0
+version: 0.1.0+3
 homepage: https://github.com/flutter/plugins/tree/master/packages/connectivity/connectivity_macos
 
 flutter:
diff --git a/packages/device_info/CHANGELOG.md b/packages/device_info/CHANGELOG.md
index 8e6ce96..76481b1 100644
--- a/packages/device_info/CHANGELOG.md
+++ b/packages/device_info/CHANGELOG.md
@@ -1,3 +1,7 @@
+## 0.4.2+3
+
+* Declare API stability and compatibility with `1.0.0` (more details at: https://github.com/flutter/flutter/wiki/Package-migration-to-1.0.0).
+
 ## 0.4.2+2
 
 * Fix CocoaPods podspec lint warnings.
diff --git a/packages/device_info/README.md b/packages/device_info/README.md
index 128bea5..db846c3 100644
--- a/packages/device_info/README.md
+++ b/packages/device_info/README.md
@@ -2,6 +2,13 @@
 
 Get current device information from within the Flutter application.
 
+**Please set your constraint to `device_info: '>=0.4.y+x <2.0.0'`**
+
+## Backward compatible 1.0.0 version is coming
+The plugin has reached a stable API, we guarantee that version `1.0.0` will be backward compatible with `0.4.y+z`.
+Please use `device_info: '>=0.4.y+x <2.0.0'` as your dependency constraint to allow a smoother ecosystem migration.
+For more details see: https://github.com/flutter/flutter/wiki/Package-migration-to-1.0.0
+
 # Usage
 
 Import `package:device_info/device_info.dart`, instantiate `DeviceInfoPlugin`
diff --git a/packages/device_info/pubspec.yaml b/packages/device_info/pubspec.yaml
index 6b2c455..d52e290 100644
--- a/packages/device_info/pubspec.yaml
+++ b/packages/device_info/pubspec.yaml
@@ -2,7 +2,10 @@
 description: Flutter plugin providing detailed information about the device
   (make, model, etc.), and Android or iOS version the app is running on.
 homepage: https://github.com/flutter/plugins/tree/master/packages/device_info
-version: 0.4.2+2
+# 0.4.y+z is compatible with 1.0.0, if you land a breaking change bump
+# the version to 2.0.0.
+# See more details: https://github.com/flutter/flutter/wiki/Package-migration-to-1.0.0
+version: 0.4.2+3
 
 flutter:
   plugin:
diff --git a/packages/path_provider/path_provider_macos/CHANGELOG.md b/packages/path_provider/path_provider_macos/CHANGELOG.md
index 9c08e89..a42f1e2 100644
--- a/packages/path_provider/path_provider_macos/CHANGELOG.md
+++ b/packages/path_provider/path_provider_macos/CHANGELOG.md
@@ -1,3 +1,7 @@
+## 0.0.4+2
+
+* Declare API stability and compatibility with `1.0.0` (more details at: https://github.com/flutter/flutter/wiki/Package-migration-to-1.0.0).
+
 ## 0.0.4+1
 
 * Fix CocoaPods podspec lint warnings.
@@ -20,4 +24,4 @@
 
 ## 0.0.1
 
-* Initial open source release.
\ No newline at end of file
+* Initial open source release.
diff --git a/packages/path_provider/path_provider_macos/README.md b/packages/path_provider/path_provider_macos/README.md
index 23727fe..b97d9e8 100644
--- a/packages/path_provider/path_provider_macos/README.md
+++ b/packages/path_provider/path_provider_macos/README.md
@@ -2,6 +2,13 @@
 
 The macos implementation of [`path_provider`].
 
+**Please set your constraint to `path_provider_macos: '>=0.0.y+x <2.0.0'`**
+
+## Backward compatible 1.0.0 version is coming
+The plugin has reached a stable API, we guarantee that version `1.0.0` will be backward compatible with `0.0.y+z`.
+Please use `path_provider_macos: '>=0.0.y+x <2.0.0'` as your dependency constraint to allow a smoother ecosystem migration.
+For more details see: https://github.com/flutter/flutter/wiki/Package-migration-to-1.0.0
+
 ## Usage
 
 ### Import the package
diff --git a/packages/path_provider/path_provider_macos/pubspec.yaml b/packages/path_provider/path_provider_macos/pubspec.yaml
index d670eb1..a049af1 100644
--- a/packages/path_provider/path_provider_macos/pubspec.yaml
+++ b/packages/path_provider/path_provider_macos/pubspec.yaml
@@ -1,6 +1,9 @@
 name: path_provider_macos
 description: macOS implementation of the path_provider plugin
-version: 0.0.4+1
+# 0.0.y+z is compatible with 1.0.0, if you land a breaking change bump
+# the version to 2.0.0.
+# See more details: https://github.com/flutter/flutter/wiki/Package-migration-to-1.0.0
+version: 0.0.4+2
 homepage: https://github.com/flutter/plugins/tree/master/packages/path_provider/path_provider_macos
 
 flutter:
diff --git a/packages/share/CHANGELOG.md b/packages/share/CHANGELOG.md
index dcbb27a..677a864 100644
--- a/packages/share/CHANGELOG.md
+++ b/packages/share/CHANGELOG.md
@@ -1,3 +1,7 @@
+## 0.6.4+1
+
+* Declare API stability and compatibility with `1.0.0` (more details at: https://github.com/flutter/flutter/wiki/Package-migration-to-1.0.0).
+
 ## 0.6.4
 
 * Remove Android dependencies fallback.
diff --git a/packages/share/README.md b/packages/share/README.md
index 3a3aa06..14be8da 100644
--- a/packages/share/README.md
+++ b/packages/share/README.md
@@ -8,6 +8,13 @@
 Wraps the ACTION_SEND Intent on Android and UIActivityViewController
 on iOS.
 
+**Please set your constraint to `share: '>=0.6.y+x <2.0.0'`**
+
+## Backward compatible 1.0.0 version is coming
+The plugin has reached a stable API, we guarantee that version `1.0.0` will be backward compatible with `0.6.y+z`.
+Please use `share: '>=0.6.y+x <2.0.0'` as your dependency constraint to allow a smoother ecosystem migration.
+For more details see: https://github.com/flutter/flutter/wiki/Package-migration-to-1.0.0
+
 ## Usage
 
 To use this plugin, add `share` as a [dependency in your pubspec.yaml file](https://flutter.io/platform-plugins/).
diff --git a/packages/share/pubspec.yaml b/packages/share/pubspec.yaml
index e5a2b49..628bc80 100644
--- a/packages/share/pubspec.yaml
+++ b/packages/share/pubspec.yaml
@@ -2,7 +2,10 @@
 description: Flutter plugin for sharing content via the platform share UI, using
   the ACTION_SEND intent on Android and UIActivityViewController on iOS.
 homepage: https://github.com/flutter/plugins/tree/master/packages/share
-version: 0.6.4
+# 0.6.y+z is compatible with 1.0.0, if you land a breaking change bump
+# the version to 2.0.0.
+# See more details: https://github.com/flutter/flutter/wiki/Package-migration-to-1.0.0
+version: 0.6.4+1
 
 flutter:
   plugin:
diff --git a/packages/shared_preferences/shared_preferences/CHANGELOG.md b/packages/shared_preferences/shared_preferences/CHANGELOG.md
index bd5024c..7f374cb 100644
--- a/packages/shared_preferences/shared_preferences/CHANGELOG.md
+++ b/packages/shared_preferences/shared_preferences/CHANGELOG.md
@@ -1,3 +1,7 @@
+## 0.5.7+1
+
+* Declare API stability and compatibility with `1.0.0` (more details at: https://github.com/flutter/flutter/wiki/Package-migration-to-1.0.0).
+
 ## 0.5.7
 
 * Remove Android dependencies fallback.
diff --git a/packages/shared_preferences/shared_preferences/README.md b/packages/shared_preferences/shared_preferences/README.md
index 411fa2a..b5bf405 100644
--- a/packages/shared_preferences/shared_preferences/README.md
+++ b/packages/shared_preferences/shared_preferences/README.md
@@ -7,6 +7,14 @@
 Neither platform can guarantee that writes will be persisted to disk after
 returning and this plugin must not be used for storing critical data.
 
+
+**Please set your constraint to `shared_preferences: '>=0.5.y+x <2.0.0'`**
+
+## Backward compatible 1.0.0 version is coming
+The plugin has reached a stable API, we guarantee that version `1.0.0` will be backward compatible with `0.5.y+z`.
+Please use `shared_preferences: '>=0.5.y+x <2.0.0'` as your dependency constraint to allow a smoother ecosystem migration.
+For more details see: https://github.com/flutter/flutter/wiki/Package-migration-to-1.0.0
+
 ## Usage
 To use this plugin, add `shared_preferences` as a [dependency in your pubspec.yaml file](https://flutter.io/platform-plugins/).
 
diff --git a/packages/shared_preferences/shared_preferences/pubspec.yaml b/packages/shared_preferences/shared_preferences/pubspec.yaml
index 2c4c16f..e86b05b 100644
--- a/packages/shared_preferences/shared_preferences/pubspec.yaml
+++ b/packages/shared_preferences/shared_preferences/pubspec.yaml
@@ -2,7 +2,10 @@
 description: Flutter plugin for reading and writing simple key-value pairs.
   Wraps NSUserDefaults on iOS and SharedPreferences on Android.
 homepage: https://github.com/flutter/plugins/tree/master/packages/shared_preferences/shared_preferences
-version: 0.5.7
+# 0.5.y+z is compatible with 1.0.0, if you land a breaking change bump
+# the version to 2.0.0.
+# See more details: https://github.com/flutter/flutter/wiki/Package-migration-to-1.0.0
+version: 0.5.7+1
 
 flutter:
   plugin:
diff --git a/packages/shared_preferences/shared_preferences_macos/CHANGELOG.md b/packages/shared_preferences/shared_preferences_macos/CHANGELOG.md
index cd4a88f..fb19089 100644
--- a/packages/shared_preferences/shared_preferences_macos/CHANGELOG.md
+++ b/packages/shared_preferences/shared_preferences_macos/CHANGELOG.md
@@ -1,3 +1,7 @@
+## 0.0.1+8
+
+* Declare API stability and compatibility with `1.0.0` (more details at: https://github.com/flutter/flutter/wiki/Package-migration-to-1.0.0).
+
 ## 0.0.1+7
 
 * Fix CocoaPods podspec lint warnings.
diff --git a/packages/shared_preferences/shared_preferences_macos/README.md b/packages/shared_preferences/shared_preferences_macos/README.md
index 170a827..c2949c9 100644
--- a/packages/shared_preferences/shared_preferences_macos/README.md
+++ b/packages/shared_preferences/shared_preferences_macos/README.md
@@ -2,6 +2,13 @@
 
 The macos implementation of [`shared_preferences`][1].
 
+**Please set your constraint to `shared_preferences_macos: '>=0.0.y+x <2.0.0'`**
+
+## Backward compatible 1.0.0 version is coming
+The plugin has reached a stable API, we guarantee that version `1.0.0` will be backward compatible with `0.0.y+z`.
+Please use `shared_preferences_macos: '>=0.0.y+x <2.0.0'` as your dependency constraint to allow a smoother ecosystem migration.
+For more details see: https://github.com/flutter/flutter/wiki/Package-migration-to-1.0.0
+
 ## Usage
 
 ### Import the package
diff --git a/packages/shared_preferences/shared_preferences_macos/pubspec.yaml b/packages/shared_preferences/shared_preferences_macos/pubspec.yaml
index 32bd030..95a1383 100644
--- a/packages/shared_preferences/shared_preferences_macos/pubspec.yaml
+++ b/packages/shared_preferences/shared_preferences_macos/pubspec.yaml
@@ -1,6 +1,9 @@
 name: shared_preferences_macos
 description: macOS implementation of the shared_preferences plugin.
-version: 0.0.1+7
+# 0.0.y+z is compatible with 1.0.0, if you land a breaking change bump
+# the version to 2.0.0.
+# See more details: https://github.com/flutter/flutter/wiki/Package-migration-to-1.0.0
+version: 0.0.1+8
 homepage: https://github.com/flutter/plugins/tree/master/packages/shared_preferences/shared_preferences_macos
 
 flutter:
diff --git a/packages/shared_preferences/shared_preferences_web/CHANGELOG.md b/packages/shared_preferences/shared_preferences_web/CHANGELOG.md
index 68571f3..251d3a6 100644
--- a/packages/shared_preferences/shared_preferences_web/CHANGELOG.md
+++ b/packages/shared_preferences/shared_preferences_web/CHANGELOG.md
@@ -1,3 +1,7 @@
+## 0.1.2+5
+
+* Declare API stability and compatibility with `1.0.0` (more details at: https://github.com/flutter/flutter/wiki/Package-migration-to-1.0.0).
+
 ## 0.1.2+4
 
 * Make the pedantic dev_dependency explicit.
diff --git a/packages/shared_preferences/shared_preferences_web/README.md b/packages/shared_preferences/shared_preferences_web/README.md
index 8f9d22d..2bb8a93 100644
--- a/packages/shared_preferences/shared_preferences_web/README.md
+++ b/packages/shared_preferences/shared_preferences_web/README.md
@@ -2,6 +2,13 @@
 
 The web implementation of [`shared_preferences`][1].
 
+**Please set your constraint to `shared_preferences_web: '>=0.1.y+x <2.0.0'`**
+
+## Backward compatible 1.0.0 version is coming
+The plugin has reached a stable API, we guarantee that version `1.0.0` will be backward compatible with `0.1.y+z`.
+Please use `shared_preferences_web: '>=0.1.y+x <2.0.0'` as your dependency constraint to allow a smoother ecosystem migration.
+For more details see: https://github.com/flutter/flutter/wiki/Package-migration-to-1.0.0
+
 ## Usage
 
 ### Import the package
diff --git a/packages/shared_preferences/shared_preferences_web/pubspec.yaml b/packages/shared_preferences/shared_preferences_web/pubspec.yaml
index c42f15a..2340a38 100644
--- a/packages/shared_preferences/shared_preferences_web/pubspec.yaml
+++ b/packages/shared_preferences/shared_preferences_web/pubspec.yaml
@@ -1,7 +1,10 @@
 name: shared_preferences_web
 description: Web platform implementation of shared_preferences
 homepage: https://github.com/flutter/plugins/tree/master/packages/shared_preferences/shared_preferences_web
-version: 0.1.2+4
+# 0.1.y+z is compatible with 1.0.0, if you land a breaking change bump
+# the version to 2.0.0.
+# See more details: https://github.com/flutter/flutter/wiki/Package-migration-to-1.0.0
+version: 0.1.2+5
 
 flutter:
   plugin:
diff --git a/packages/url_launcher/url_launcher_macos/CHANGELOG.md b/packages/url_launcher/url_launcher_macos/CHANGELOG.md
index a656853..31ac1f8 100644
--- a/packages/url_launcher/url_launcher_macos/CHANGELOG.md
+++ b/packages/url_launcher/url_launcher_macos/CHANGELOG.md
@@ -1,3 +1,7 @@
+# 0.0.1+6
+
+* Declare API stability and compatibility with `1.0.0` (more details at: https://github.com/flutter/flutter/wiki/Package-migration-to-1.0.0).
+
 # 0.0.1+5
 
 * Fixed the launchUniversalLinkIos method.
diff --git a/packages/url_launcher/url_launcher_macos/README.md b/packages/url_launcher/url_launcher_macos/README.md
index 28aa188..e0c326b 100644
--- a/packages/url_launcher/url_launcher_macos/README.md
+++ b/packages/url_launcher/url_launcher_macos/README.md
@@ -2,6 +2,13 @@
 
 The macos implementation of [`url_launcher`][1].
 
+**Please set your constraint to `url_launcher_macos: '>=0.0.y+x <2.0.0'`**
+
+## Backward compatible 1.0.0 version is coming
+The plugin has reached a stable API, we guarantee that version `1.0.0` will be backward compatible with `0.0.y+z`.
+Please use `url_launcher_macos: '>=0.0.y+x <2.0.0'` as your dependency constraint to allow a smoother ecosystem migration.
+For more details see: https://github.com/flutter/flutter/wiki/Package-migration-to-1.0.0
+
 ## Usage
 
 ### Import the package
diff --git a/packages/url_launcher/url_launcher_macos/pubspec.yaml b/packages/url_launcher/url_launcher_macos/pubspec.yaml
index 04a6b33..9b4ffa6 100644
--- a/packages/url_launcher/url_launcher_macos/pubspec.yaml
+++ b/packages/url_launcher/url_launcher_macos/pubspec.yaml
@@ -1,6 +1,9 @@
 name: url_launcher_macos
 description: macOS implementation of the url_launcher plugin.
-version: 0.0.1+5
+# 0.0.y+z is compatible with 1.0.0, if you land a breaking change bump
+# the version to 2.0.0.
+# See more details: https://github.com/flutter/flutter/wiki/Package-migration-to-1.0.0
+version: 0.0.1+6
 homepage: https://github.com/flutter/plugins/tree/master/packages/url_launcher/url_launcher_macos
 
 flutter:
diff --git a/packages/url_launcher/url_launcher_web/CHANGELOG.md b/packages/url_launcher/url_launcher_web/CHANGELOG.md
index eefa95f..e6702bd 100644
--- a/packages/url_launcher/url_launcher_web/CHANGELOG.md
+++ b/packages/url_launcher/url_launcher_web/CHANGELOG.md
@@ -1,3 +1,7 @@
+# 0.1.1+4
+
+* Declare API stability and compatibility with `1.0.0` (more details at: https://github.com/flutter/flutter/wiki/Package-migration-to-1.0.0).
+
 # 0.1.1+3
 
 - Refactor tests to not rely on the underlying browser behavior.
diff --git a/packages/url_launcher/url_launcher_web/README.md b/packages/url_launcher/url_launcher_web/README.md
index ddac7d8..3743010 100644
--- a/packages/url_launcher/url_launcher_web/README.md
+++ b/packages/url_launcher/url_launcher_web/README.md
@@ -2,6 +2,13 @@
 
 The web implementation of [`url_launcher`][1].
 
+**Please set your constraint to `url_launcher_web: '>=0.1.y+x <2.0.0'`**
+
+## Backward compatible 1.0.0 version is coming
+The plugin has reached a stable API, we guarantee that version `1.0.0` will be backward compatible with `0.1.y+z`.
+Please use `url_launcher_web: '>=0.1.y+x <2.0.0'` as your dependency constraint to allow a smoother ecosystem migration.
+For more details see: https://github.com/flutter/flutter/wiki/Package-migration-to-1.0.0
+
 ## Usage
 
 ### Import the package
diff --git a/packages/url_launcher/url_launcher_web/pubspec.yaml b/packages/url_launcher/url_launcher_web/pubspec.yaml
index 2bc8833..08b57aa 100644
--- a/packages/url_launcher/url_launcher_web/pubspec.yaml
+++ b/packages/url_launcher/url_launcher_web/pubspec.yaml
@@ -1,7 +1,10 @@
 name: url_launcher_web
 description: Web platform implementation of url_launcher
 homepage: https://github.com/flutter/plugins/tree/master/packages/url_launcher/url_launcher_web
-version: 0.1.1+3
+# 0.1.y+z is compatible with 1.0.0, if you land a breaking change bump
+# the version to 2.0.0.
+# See more details: https://github.com/flutter/flutter/wiki/Package-migration-to-1.0.0
+version: 0.1.1+4
 
 flutter:
   plugin:
diff --git a/packages/video_player/video_player/CHANGELOG.md b/packages/video_player/video_player/CHANGELOG.md
index 2a1f692..075f8f4 100644
--- a/packages/video_player/video_player/CHANGELOG.md
+++ b/packages/video_player/video_player/CHANGELOG.md
@@ -1,3 +1,7 @@
+## 0.10.9+2
+
+* Declare API stability and compatibility with `1.0.0` (more details at: https://github.com/flutter/flutter/wiki/Package-migration-to-1.0.0).
+
 ## 0.10.9+1
 
 * Readme updated to include web support and details on how to use for web
diff --git a/packages/video_player/video_player/README.md b/packages/video_player/video_player/README.md
index 88b1c0a..ef522a4 100644
--- a/packages/video_player/video_player/README.md
+++ b/packages/video_player/video_player/README.md
@@ -4,6 +4,13 @@
 
 A Flutter plugin for iOS, Android and Web for playing back video on a Widget surface.
 
+**Please set your constraint to `video_player: '>=0.10.y+x <2.0.0'`**
+
+## Backward compatible 1.0.0 version is coming
+The plugin has reached a stable API, we guarantee that version `1.0.0` will be backward compatible with `0.10.y+z`.
+Please use `video_player: '>=0.10.y+x <2.0.0'` as your dependency constraint to allow a smoother ecosystem migration.
+For more details see: https://github.com/flutter/flutter/wiki/Package-migration-to-1.0.0
+
 ![The example app running in iOS](https://github.com/flutter/plugins/blob/master/packages/video_player/video_player/doc/demo_ipod.gif?raw=true)
 
 *Note*: This plugin is still under development, and some APIs might not be available yet.
diff --git a/packages/video_player/video_player/pubspec.yaml b/packages/video_player/video_player/pubspec.yaml
index ed57f47..ad5cd45 100644
--- a/packages/video_player/video_player/pubspec.yaml
+++ b/packages/video_player/video_player/pubspec.yaml
@@ -1,7 +1,10 @@
 name: video_player
 description: Flutter plugin for displaying inline video with other Flutter
   widgets on Android and iOS.
-version: 0.10.9+1
+# 0.10.y+z is compatible with 1.0.0, if you land a breaking change bump
+# the version to 2.0.0.
+# See more details: https://github.com/flutter/flutter/wiki/Package-migration-to-1.0.0
+version: 0.10.9+2
 homepage: https://github.com/flutter/plugins/tree/master/packages/video_player/video_player
 
 flutter:
@@ -23,7 +26,7 @@
   # validation, so we set a ^ constraint.
   # TODO(amirh): Revisit this (either update this part in the  design or the pub tool).
   # https://github.com/flutter/flutter/issues/46264
-  video_player_web: ^0.1.1
+  video_player_web: '>=0.1.1 <2.0.0'
 
   flutter:
     sdk: flutter
diff --git a/packages/video_player/video_player_web/CHANGELOG.md b/packages/video_player/video_player_web/CHANGELOG.md
index f5408fa..b9dd13c 100644
--- a/packages/video_player/video_player_web/CHANGELOG.md
+++ b/packages/video_player/video_player_web/CHANGELOG.md
@@ -1,3 +1,7 @@
+## 0.1.2+3
+
+* Declare API stability and compatibility with `1.0.0` (more details at: https://github.com/flutter/flutter/wiki/Package-migration-to-1.0.0).
+
 ## 0.1.2+2
 
 * Add `analysis_options.yaml` to the package, so we can ignore `undefined_prefixed_name` errors. Works around https://github.com/flutter/flutter/issues/41563.
diff --git a/packages/video_player/video_player_web/README.md b/packages/video_player/video_player_web/README.md
index 2e63d5e..216b926 100644
--- a/packages/video_player/video_player_web/README.md
+++ b/packages/video_player/video_player_web/README.md
@@ -2,6 +2,14 @@
 
 The web implementation of [`video_player`][1].
 
+
+**Please set your constraint to `video_player_web: '>=0.1.y+x <2.0.0'`**
+
+## Backward compatible 1.0.0 version is coming
+The plugin has reached a stable API, we guarantee that version `1.0.0` will be backward compatible with `0.1.y+z`.
+Please use `video_player_web: '>=0.1.y+x <2.0.0'` as your dependency constraint to allow a smoother ecosystem migration.
+For more details see: https://github.com/flutter/flutter/wiki/Package-migration-to-1.0.0
+
 ## Usage
 
 This package is the endorsed implementation of `video_player` for the web platform since version `0.10.5`, so it gets automatically added to your application by depending on `video_player: ^0.10.5`.
@@ -57,4 +65,4 @@
 [![Data on Global support for the HEVC/H.265 video format](https://caniuse.bitsofco.de/image/hevc.png)](https://caniuse.com/#feat=hevc)
 
 
-[1]: ../video_player
\ No newline at end of file
+[1]: ../video_player
diff --git a/packages/video_player/video_player_web/pubspec.yaml b/packages/video_player/video_player_web/pubspec.yaml
index 7cf036e..b80d4f9 100644
--- a/packages/video_player/video_player_web/pubspec.yaml
+++ b/packages/video_player/video_player_web/pubspec.yaml
@@ -1,7 +1,10 @@
 name: video_player_web
 description: Web platform implementation of video_player
 homepage: https://github.com/flutter/plugins/tree/master/packages/video_player/video_player_web
-version: 0.1.2+2
+# 0.1.y+z is compatible with 1.0.0, if you land a breaking change bump
+# the version to 2.0.0.
+# See more details: https://github.com/flutter/flutter/wiki/Package-migration-to-1.0.0
+version: 0.1.2+3
 
 flutter:
   plugin: