diff --git a/.ci/scripts/prepare_tool.sh b/.ci/scripts/prepare_tool.sh
index 30ea0db583..e98176b276 100755
--- a/.ci/scripts/prepare_tool.sh
+++ b/.ci/scripts/prepare_tool.sh
@@ -8,4 +8,4 @@ git fetch origin main
 
 # Pinned version of the plugin tools, to avoid breakage in this repository
 # when pushing updates from flutter/plugins.
-dart pub global activate flutter_plugin_tools 0.13.2
+dart pub global activate flutter_plugin_tools 0.13.4
diff --git a/.cirrus.yml b/.cirrus.yml
index f13e6de9a9..245ab632ee 100644
--- a/.cirrus.yml
+++ b/.cirrus.yml
@@ -99,7 +99,9 @@ task:
       always:
         format_script: ./script/tool_runner.sh format --fail-on-change
         license_script: $PLUGIN_TOOL_COMMAND license-check
-        pubspec_script: ./script/tool_runner.sh pubspec-check
+        # The major and minor versions here should match the lowest version
+        # analyzed in legacy_version_analyze.
+        pubspec_script: ./script/tool_runner.sh pubspec-check --min-min-flutter-version=3.0.0 --min-min-dart-version=2.17.0
         readme_script:
           - ./script/tool_runner.sh readme-check
           # Re-run with --require-excerpts, skipping packages that still need
@@ -157,6 +159,7 @@ task:
     - name: legacy_version_analyze
       depends_on: analyze
       matrix:
+        # Change the arguments to pubspec-check when changing these values.
         env:
           CHANNEL: "3.0.5"
           DART_VERSION: "2.17.6"
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 44f1b231e7..b3b970d812 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -31,7 +31,7 @@ jobs:
       with:
         fetch-depth: 0 # Fetch all history so the tool can get all the tags to determine version.
     - name: Set up tools
-      run: dart pub global activate flutter_plugin_tools 0.13.2
+      run: dart pub global activate flutter_plugin_tools 0.13.4
 
     # # This workflow should be the last to run. So wait for all the other tests to succeed.
     - name: Wait on all tests
diff --git a/packages/animations/example/pubspec.yaml b/packages/animations/example/pubspec.yaml
index f5ad6ebfe4..a855bd15ca 100644
--- a/packages/animations/example/pubspec.yaml
+++ b/packages/animations/example/pubspec.yaml
@@ -7,6 +7,7 @@ version: 0.0.1
 
 environment:
   sdk: ">=2.12.0 <3.0.0"
+  flutter: ">=3.0.0"
 
 dependencies:
   animations:
diff --git a/packages/cross_file/CHANGELOG.md b/packages/cross_file/CHANGELOG.md
index 7ace46b521..21d9ddec60 100644
--- a/packages/cross_file/CHANGELOG.md
+++ b/packages/cross_file/CHANGELOG.md
@@ -1,3 +1,7 @@
+## NEXT
+
+* Updates minimum SDK version to Flutter 3.0.
+
 ## 0.3.3+2
 
 * Fixes lint warnings in tests.
diff --git a/packages/cross_file/lib/src/types/html.dart b/packages/cross_file/lib/src/types/html.dart
index cb3473b4aa..4659ebda96 100644
--- a/packages/cross_file/lib/src/types/html.dart
+++ b/packages/cross_file/lib/src/types/html.dart
@@ -26,6 +26,7 @@ class XFile extends XFileBase {
   ///
   /// `name` needs to be passed from the outside, since it's only available
   /// while handling [html.File]s (when the ObjectUrl is created).
+  // ignore: use_super_parameters
   XFile(
     String path, {
     String? mimeType,
diff --git a/packages/cross_file/lib/src/types/interface.dart b/packages/cross_file/lib/src/types/interface.dart
index eecfb03b4a..3243d88061 100644
--- a/packages/cross_file/lib/src/types/interface.dart
+++ b/packages/cross_file/lib/src/types/interface.dart
@@ -22,14 +22,14 @@ class XFile extends XFileBase {
   /// `path` of the file doesn't match what the user sees when selecting it
   /// (like in web)
   XFile(
-    String path, {
+    super.path, {
     String? mimeType,
     String? name,
     int? length,
     Uint8List? bytes,
     DateTime? lastModified,
     @visibleForTesting CrossFileTestOverrides? overrides,
-  }) : super(path) {
+  }) {
     throw UnimplementedError(
         'CrossFile is not available in your current platform.');
   }
diff --git a/packages/cross_file/lib/src/types/io.dart b/packages/cross_file/lib/src/types/io.dart
index f9fcfea748..597a2f8b69 100644
--- a/packages/cross_file/lib/src/types/io.dart
+++ b/packages/cross_file/lib/src/types/io.dart
@@ -17,6 +17,7 @@ class XFile extends XFileBase {
   /// [bytes] is ignored; the parameter exists only to match the web version of
   /// the constructor. To construct a dart:io XFile from bytes, use
   /// [XFile.fromData].
+  // ignore: use_super_parameters
   XFile(
     String path, {
     String? mimeType,
diff --git a/packages/cross_file/pubspec.yaml b/packages/cross_file/pubspec.yaml
index e12652e912..55e993dbb1 100644
--- a/packages/cross_file/pubspec.yaml
+++ b/packages/cross_file/pubspec.yaml
@@ -5,7 +5,7 @@ issue_tracker: https://github.com/flutter/flutter/issues?q=is%3Aissue+is%3Aopen+
 version: 0.3.3+2
 
 environment:
-  sdk: ">=2.12.0 <3.0.0"
+  sdk: ">=2.17.0 <3.0.0"
 
 dependencies:
   js: ^0.6.3
diff --git a/packages/cross_file/test/x_file_io_test.dart b/packages/cross_file/test/x_file_io_test.dart
index cb762cb7b5..4a676e2f88 100644
--- a/packages/cross_file/test/x_file_io_test.dart
+++ b/packages/cross_file/test/x_file_io_test.dart
@@ -109,7 +109,7 @@ void main() {
 
 /// An XFile subclass that tracks reads, for testing purposes.
 class TestXFile extends XFile {
-  TestXFile(String path) : super(path);
+  TestXFile(super.path);
 
   bool hasBeenRead = false;
 
diff --git a/packages/flutter_lints/example/pubspec.yaml b/packages/flutter_lints/example/pubspec.yaml
index 0177756e95..13cdefaf58 100644
--- a/packages/flutter_lints/example/pubspec.yaml
+++ b/packages/flutter_lints/example/pubspec.yaml
@@ -4,7 +4,7 @@ description: A project that showcases how to enable the recommended lints for Fl
 publish_to: none
 
 environment:
-  sdk: '>=2.12.0 <3.0.0'
+  sdk: '>=2.17.0 <3.0.0'
 
 # Add the latest version of `package:flutter_lints` as a dev_dependency. The
 # lint set provided by this package is activated in the `analysis_options.yaml`
diff --git a/packages/flutter_lints/pubspec.yaml b/packages/flutter_lints/pubspec.yaml
index f0cd1e07b0..fae2fbae0f 100644
--- a/packages/flutter_lints/pubspec.yaml
+++ b/packages/flutter_lints/pubspec.yaml
@@ -5,7 +5,7 @@ issue_tracker: https://github.com/flutter/flutter/issues?q=is%3Aissue+is%3Aopen+
 version: 2.0.1
 
 environment:
-  sdk: '>=2.17.0-0 <3.0.0'
+  sdk: '>=2.17.0 <3.0.0'
 
 dependencies:
   lints: ^2.0.0
diff --git a/packages/flutter_template_images/CHANGELOG.md b/packages/flutter_template_images/CHANGELOG.md
index 80bc7467f2..8c49d1fba0 100644
--- a/packages/flutter_template_images/CHANGELOG.md
+++ b/packages/flutter_template_images/CHANGELOG.md
@@ -1,3 +1,7 @@
+## NEXT
+
+* Updates minimum SDK version to Flutter 3.0.
+
 ## 4.2.0
 
 * Adds iOS template app icons, updated to square icons with no transparency.
diff --git a/packages/flutter_template_images/pubspec.yaml b/packages/flutter_template_images/pubspec.yaml
index 67f12dcf2a..5b500a4268 100644
--- a/packages/flutter_template_images/pubspec.yaml
+++ b/packages/flutter_template_images/pubspec.yaml
@@ -5,4 +5,4 @@ issue_tracker: https://github.com/flutter/flutter/issues?q=is%3Aissue+is%3Aopen+
 version: 4.2.0
 
 environment:
-  sdk: ">=2.12.0 <3.0.0"
+  sdk: ">=2.17.0 <3.0.0"
diff --git a/packages/metrics_center/CHANGELOG.md b/packages/metrics_center/CHANGELOG.md
index 6628b71347..ec3aa37749 100644
--- a/packages/metrics_center/CHANGELOG.md
+++ b/packages/metrics_center/CHANGELOG.md
@@ -1,3 +1,7 @@
+## NEXT
+
+* Updates minimum SDK version to Flutter 3.0.
+
 ## 1.0.6
 
 - Fixes lint warnings.
diff --git a/packages/metrics_center/pubspec.yaml b/packages/metrics_center/pubspec.yaml
index 874d8373c4..8391dadbf8 100644
--- a/packages/metrics_center/pubspec.yaml
+++ b/packages/metrics_center/pubspec.yaml
@@ -6,7 +6,7 @@ repository: https://github.com/flutter/packages/tree/main/packages/metrics_cente
 issue_tracker: https://github.com/flutter/flutter/issues?q=is%3Aissue+is%3Aopen+label%3A%22p%3A+metrics_center%22
 
 environment:
-  sdk: '>=2.12.0 <3.0.0'
+  sdk: '>=2.17.0 <3.0.0'
 
 dependencies:
   crypto: ^3.0.1
diff --git a/packages/multicast_dns/CHANGELOG.md b/packages/multicast_dns/CHANGELOG.md
index 76837a4eb7..68aad3897b 100644
--- a/packages/multicast_dns/CHANGELOG.md
+++ b/packages/multicast_dns/CHANGELOG.md
@@ -1,3 +1,7 @@
+## NEXT
+
+* Updates minimum SDK version to Flutter 3.0.
+
 ## 0.3.2+2
 
 * Fixes lints warnings.
diff --git a/packages/multicast_dns/pubspec.yaml b/packages/multicast_dns/pubspec.yaml
index 04ed3aa19e..39571cee30 100644
--- a/packages/multicast_dns/pubspec.yaml
+++ b/packages/multicast_dns/pubspec.yaml
@@ -5,7 +5,7 @@ issue_tracker: https://github.com/flutter/flutter/issues?q=is%3Aissue+is%3Aopen+
 version: 0.3.2+2
 
 environment:
-  sdk: ">=2.14.0 <3.0.0"
+  sdk: ">=2.17.0 <3.0.0"
 
 dependencies:
   meta: ^1.3.0
diff --git a/packages/palette_generator/example/pubspec.yaml b/packages/palette_generator/example/pubspec.yaml
index b2b0cbd639..22c12c08a9 100644
--- a/packages/palette_generator/example/pubspec.yaml
+++ b/packages/palette_generator/example/pubspec.yaml
@@ -5,6 +5,7 @@ version: 0.1.0
 
 environment:
   sdk: ">=2.12.0 <3.0.0"
+  flutter: ">=3.0.0"
 
 dependencies:
   flutter:
diff --git a/packages/pigeon/mock_handler_tester/pubspec.yaml b/packages/pigeon/mock_handler_tester/pubspec.yaml
index 1826c25edd..7474ba3460 100644
--- a/packages/pigeon/mock_handler_tester/pubspec.yaml
+++ b/packages/pigeon/mock_handler_tester/pubspec.yaml
@@ -5,6 +5,7 @@ version: 1.0.0+1
 
 environment:
   sdk: ">=2.12.0 <3.0.0"
+  flutter: ">=3.0.0"
 
 dependencies:
   cupertino_icons: ^1.0.2
diff --git a/packages/pigeon/platform_tests/flutter_null_safe_unit_tests/pubspec.yaml b/packages/pigeon/platform_tests/flutter_null_safe_unit_tests/pubspec.yaml
index 191bc8a07b..a35a1dccc3 100644
--- a/packages/pigeon/platform_tests/flutter_null_safe_unit_tests/pubspec.yaml
+++ b/packages/pigeon/platform_tests/flutter_null_safe_unit_tests/pubspec.yaml
@@ -4,6 +4,7 @@ publish_to: none # Remove this line if you wish to publish to pub.dev
 version: 1.0.0+1
 environment:
   sdk: ">=2.12.0 <3.0.0"
+  flutter: ">=3.0.0"
 
 dependencies:
   flutter:
diff --git a/packages/pigeon/platform_tests/ios_unit_tests/pubspec.yaml b/packages/pigeon/platform_tests/ios_unit_tests/pubspec.yaml
index c05bfcdf85..047e1c577f 100644
--- a/packages/pigeon/platform_tests/ios_unit_tests/pubspec.yaml
+++ b/packages/pigeon/platform_tests/ios_unit_tests/pubspec.yaml
@@ -16,6 +16,7 @@ version: 1.0.0+1
 
 environment:
   sdk: ">=2.12.0 <3.0.0"
+  flutter: ">=3.0.0"
 
 dependencies:
   cupertino_icons: ^1.0.5
diff --git a/packages/rfw/example/hello/pubspec.yaml b/packages/rfw/example/hello/pubspec.yaml
index 5bb293073a..5998183815 100644
--- a/packages/rfw/example/hello/pubspec.yaml
+++ b/packages/rfw/example/hello/pubspec.yaml
@@ -5,6 +5,7 @@ version: 1.0.0+1
 
 environment:
   sdk: ">=2.13.0 <3.0.0"
+  flutter: ">=3.0.0"
 
 dependencies:
   flutter:
diff --git a/packages/rfw/example/local/pubspec.yaml b/packages/rfw/example/local/pubspec.yaml
index 1ee5e93d17..e09a659563 100644
--- a/packages/rfw/example/local/pubspec.yaml
+++ b/packages/rfw/example/local/pubspec.yaml
@@ -5,6 +5,7 @@ version: 1.0.0+1
 
 environment:
   sdk: ">=2.13.0 <3.0.0"
+  flutter: ">=3.0.0"
 
 dependencies:
   flutter:
diff --git a/packages/rfw/example/remote/pubspec.yaml b/packages/rfw/example/remote/pubspec.yaml
index 82f5890dbc..e9ea76c06a 100644
--- a/packages/rfw/example/remote/pubspec.yaml
+++ b/packages/rfw/example/remote/pubspec.yaml
@@ -5,6 +5,7 @@ version: 1.0.0+1
 
 environment:
   sdk: ">=2.13.0 <3.0.0"
+  flutter: ">=3.0.0"
 
 dependencies:
   flutter:
diff --git a/packages/rfw/example/wasm/pubspec.yaml b/packages/rfw/example/wasm/pubspec.yaml
index 5267a69cd6..de28d1c074 100644
--- a/packages/rfw/example/wasm/pubspec.yaml
+++ b/packages/rfw/example/wasm/pubspec.yaml
@@ -5,6 +5,7 @@ version: 1.0.0+1
 
 environment:
   sdk: ">=2.13.0 <3.0.0"
+  flutter: ">=3.0.0"
 
 dependencies:
   flutter:
diff --git a/packages/rfw/test_coverage/pubspec.yaml b/packages/rfw/test_coverage/pubspec.yaml
index b61275b5c4..46143d7048 100644
--- a/packages/rfw/test_coverage/pubspec.yaml
+++ b/packages/rfw/test_coverage/pubspec.yaml
@@ -4,7 +4,7 @@ version: 1.0.0
 publish_to: none
 
 environment:
-  sdk: '>=2.14.0 <3.0.0'
+  sdk: '>=2.17.0 <3.0.0'
 
 dependencies:
   lcov_parser: 0.1.1
diff --git a/packages/xdg_directories/CHANGELOG.md b/packages/xdg_directories/CHANGELOG.md
index 7c97e6c966..e0814fb540 100644
--- a/packages/xdg_directories/CHANGELOG.md
+++ b/packages/xdg_directories/CHANGELOG.md
@@ -1,3 +1,7 @@
+## NEXT
+
+* Updates minimum SDK version to Flutter 3.0.
+
 ## 0.2.0+3
 
 * Returns null instead of throwing exception from getUserDirectory when xdg-user-dir executable is missing.
diff --git a/packages/xdg_directories/pubspec.yaml b/packages/xdg_directories/pubspec.yaml
index 1103bec1fc..3f3c4f9bd1 100644
--- a/packages/xdg_directories/pubspec.yaml
+++ b/packages/xdg_directories/pubspec.yaml
@@ -5,7 +5,7 @@ issue_tracker: https://github.com/flutter/flutter/issues?q=is%3Aissue+is%3Aopen+
 version: 0.2.0+3
 
 environment:
-  sdk: ">=2.12.0 <3.0.0"
+  sdk: ">=2.17.0 <3.0.0"
 
 platforms:
   linux:
diff --git a/third_party/packages/cupertino_icons/CHANGELOG.md b/third_party/packages/cupertino_icons/CHANGELOG.md
index 49425404fb..3515eb31cc 100644
--- a/third_party/packages/cupertino_icons/CHANGELOG.md
+++ b/third_party/packages/cupertino_icons/CHANGELOG.md
@@ -1,3 +1,7 @@
+## NEXT
+
+* Updates minimum SDK version to Flutter 3.0.
+
 ## 1.0.5
 
 * Updates README to reference correct URL.
diff --git a/third_party/packages/cupertino_icons/pubspec.yaml b/third_party/packages/cupertino_icons/pubspec.yaml
index a66ba87919..8b683c2f1d 100644
--- a/third_party/packages/cupertino_icons/pubspec.yaml
+++ b/third_party/packages/cupertino_icons/pubspec.yaml
@@ -6,7 +6,7 @@ issue_tracker: https://github.com/flutter/flutter/issues?q=is%3Aissue+is%3Aopen+
 version: 1.0.5
 
 environment:
-  sdk: ">=2.12.0 <3.0.0"
+  sdk: ">=2.17.0 <3.0.0"
 
 flutter:
   fonts: