diff --git a/.dart_tool/package_config.json b/.dart_tool/package_config.json
index 12e1c33014c..18686f861fa 100644
--- a/.dart_tool/package_config.json
+++ b/.dart_tool/package_config.json
@@ -11,7 +11,7 @@
     "constraint, update this by running tools/generate_package_config.dart."
   ],
   "configVersion": 2,
-  "generated": "2020-08-18T15:38:52.410101",
+  "generated": "2020-09-18T09:56:27.880444",
   "generator": "tools/generate_package_config.dart",
   "packages": [
     {
@@ -184,7 +184,7 @@
       "name": "dart2js_info",
       "rootUri": "../third_party/pkg/dart2js_info",
       "packageUri": "lib/",
-      "languageVersion": "2.0"
+      "languageVersion": "2.3"
     },
     {
       "name": "dart2js_tools",
@@ -207,8 +207,7 @@
     {
       "name": "dart_style",
       "rootUri": "../third_party/pkg_tested/dart_style",
-      "packageUri": "lib/",
-      "languageVersion": "2.7"
+      "packageUri": "lib/"
     },
     {
       "name": "dartdev",
@@ -348,8 +347,7 @@
     {
       "name": "js_runtime",
       "rootUri": "../sdk/lib/_internal/js_runtime",
-      "packageUri": "lib/",
-      "languageVersion": "2.10"
+      "packageUri": "lib/"
     },
     {
       "name": "json_rpc_2",
@@ -484,8 +482,7 @@
     {
       "name": "pub",
       "rootUri": "../third_party/pkg/pub",
-      "packageUri": "lib/",
-      "languageVersion": "2.3"
+      "packageUri": "lib/"
     },
     {
       "name": "pub_semver",
@@ -508,8 +505,7 @@
     {
       "name": "sdk_library_metadata",
       "rootUri": "../sdk/lib/_internal/sdk_library_metadata",
-      "packageUri": "lib/",
-      "languageVersion": "2.10"
+      "packageUri": "lib/"
     },
     {
       "name": "shelf",
@@ -752,4 +748,4 @@
       "languageVersion": "2.4"
     }
   ]
-}
+}
\ No newline at end of file
diff --git a/pkg/analyzer/lib/src/dart/analysis/experiments.g.dart b/pkg/analyzer/lib/src/dart/analysis/experiments.g.dart
index f29bfb40786..ee6204e4bfa 100644
--- a/pkg/analyzer/lib/src/dart/analysis/experiments.g.dart
+++ b/pkg/analyzer/lib/src/dart/analysis/experiments.g.dart
@@ -8,7 +8,7 @@ part of 'experiments.dart';
 
 /// The current version of the Dart language (or, for non-stable releases, the
 /// version of the language currently in the process of being developed).
-const _currentVersion = '2.10.0';
+const _currentVersion = '2.11.0';
 
 /// A map containing information about all known experimental flags.
 final _knownFeatures = <String, ExperimentalFeature>{
diff --git a/pkg/front_end/lib/src/api_prototype/experimental_flags_generated.dart b/pkg/front_end/lib/src/api_prototype/experimental_flags_generated.dart
index b9ab190721d..01c5fd8ab85 100644
--- a/pkg/front_end/lib/src/api_prototype/experimental_flags_generated.dart
+++ b/pkg/front_end/lib/src/api_prototype/experimental_flags_generated.dart
@@ -24,17 +24,17 @@ enum ExperimentalFlag {
 }
 
 const Version enableAlternativeInvalidationStrategyVersion =
-    const Version(2, 10);
+    const Version(2, 11);
 const Version enableConstantUpdate2018Version = const Version(2, 4);
 const Version enableControlFlowCollectionsVersion = const Version(2, 0);
 const Version enableExtensionMethodsVersion = const Version(2, 6);
-const Version enableNonNullableVersion = const Version(2, 10);
-const Version enableNonfunctionTypeAliasesVersion = const Version(2, 10);
+const Version enableNonNullableVersion = const Version(2, 11);
+const Version enableNonfunctionTypeAliasesVersion = const Version(2, 11);
 const Version enableSetLiteralsVersion = const Version(2, 0);
 const Version enableSpreadCollectionsVersion = const Version(2, 0);
-const Version enableTripleShiftVersion = const Version(2, 10);
-const Version enableValueClassVersion = const Version(2, 10);
-const Version enableVarianceVersion = const Version(2, 10);
+const Version enableTripleShiftVersion = const Version(2, 11);
+const Version enableValueClassVersion = const Version(2, 11);
+const Version enableVarianceVersion = const Version(2, 11);
 
 ExperimentalFlag parseExperimentalFlag(String flag) {
   switch (flag) {
@@ -93,31 +93,31 @@ const Map<ExperimentalFlag, bool> expiredExperimentalFlags = {
 };
 
 const Map<ExperimentalFlag, Version> experimentEnabledVersion = {
-  ExperimentalFlag.alternativeInvalidationStrategy: const Version(2, 10),
+  ExperimentalFlag.alternativeInvalidationStrategy: const Version(2, 11),
   ExperimentalFlag.constantUpdate2018: const Version(2, 4),
   ExperimentalFlag.controlFlowCollections: const Version(2, 0),
   ExperimentalFlag.extensionMethods: const Version(2, 6),
-  ExperimentalFlag.nonNullable: const Version(2, 10),
-  ExperimentalFlag.nonfunctionTypeAliases: const Version(2, 10),
+  ExperimentalFlag.nonNullable: const Version(2, 11),
+  ExperimentalFlag.nonfunctionTypeAliases: const Version(2, 11),
   ExperimentalFlag.setLiterals: const Version(2, 0),
   ExperimentalFlag.spreadCollections: const Version(2, 0),
-  ExperimentalFlag.tripleShift: const Version(2, 10),
-  ExperimentalFlag.valueClass: const Version(2, 10),
-  ExperimentalFlag.variance: const Version(2, 10),
+  ExperimentalFlag.tripleShift: const Version(2, 11),
+  ExperimentalFlag.valueClass: const Version(2, 11),
+  ExperimentalFlag.variance: const Version(2, 11),
 };
 
 const Map<ExperimentalFlag, Version> experimentReleasedVersion = {
-  ExperimentalFlag.alternativeInvalidationStrategy: const Version(2, 10),
+  ExperimentalFlag.alternativeInvalidationStrategy: const Version(2, 11),
   ExperimentalFlag.constantUpdate2018: const Version(2, 4),
   ExperimentalFlag.controlFlowCollections: const Version(2, 0),
   ExperimentalFlag.extensionMethods: const Version(2, 6),
   ExperimentalFlag.nonNullable: const Version(2, 10),
-  ExperimentalFlag.nonfunctionTypeAliases: const Version(2, 10),
+  ExperimentalFlag.nonfunctionTypeAliases: const Version(2, 11),
   ExperimentalFlag.setLiterals: const Version(2, 0),
   ExperimentalFlag.spreadCollections: const Version(2, 0),
-  ExperimentalFlag.tripleShift: const Version(2, 10),
-  ExperimentalFlag.valueClass: const Version(2, 10),
-  ExperimentalFlag.variance: const Version(2, 10),
+  ExperimentalFlag.tripleShift: const Version(2, 11),
+  ExperimentalFlag.valueClass: const Version(2, 11),
+  ExperimentalFlag.variance: const Version(2, 11),
 };
 
 const AllowedExperimentalFlags defaultAllowedExperimentalFlags =
diff --git a/pkg/kernel/lib/default_language_version.dart b/pkg/kernel/lib/default_language_version.dart
index 6b7b18c9d36..eb90980c64b 100644
--- a/pkg/kernel/lib/default_language_version.dart
+++ b/pkg/kernel/lib/default_language_version.dart
@@ -9,4 +9,4 @@
 
 import "ast.dart";
 
-Version defaultLanguageVersion = const Version(2, 10);
+Version defaultLanguageVersion = const Version(2, 11);
diff --git a/sdk/lib/_internal/js_runtime/pubspec.yaml b/sdk/lib/_internal/js_runtime/pubspec.yaml
index 96abf65bcbe..f42b2cd99d7 100644
--- a/sdk/lib/_internal/js_runtime/pubspec.yaml
+++ b/sdk/lib/_internal/js_runtime/pubspec.yaml
@@ -2,5 +2,3 @@
 # make it easier to develop on dart2js.
 name: js_runtime
 publish_to: none
-environment:
-  sdk: '>=2.10.0-0.0 <3.0.0'
diff --git a/sdk/lib/_internal/sdk_library_metadata/pubspec.yaml b/sdk/lib/_internal/sdk_library_metadata/pubspec.yaml
index 8f46e5323ce..79b69eedddf 100644
--- a/sdk/lib/_internal/sdk_library_metadata/pubspec.yaml
+++ b/sdk/lib/_internal/sdk_library_metadata/pubspec.yaml
@@ -2,5 +2,3 @@
 # make it easer to depend on libraries.dart from sdk packages like dart2js.
 name: sdk_library_metadata
 publish_to: none
-environment:
-  sdk: '>=2.10.0-0.0 <3.0.0'
diff --git a/tools/VERSION b/tools/VERSION
index 6e1aec2de51..123dec2110a 100644
--- a/tools/VERSION
+++ b/tools/VERSION
@@ -25,7 +25,7 @@
 #
 CHANNEL be
 MAJOR 2
-MINOR 10
+MINOR 11
 PATCH 0
 PRERELEASE 0
 PRERELEASE_PATCH 0
diff --git a/tools/experimental_features.yaml b/tools/experimental_features.yaml
index e6043be75b7..8446bb36a3d 100644
--- a/tools/experimental_features.yaml
+++ b/tools/experimental_features.yaml
@@ -93,7 +93,7 @@
 # default 'language' "category" with code generated for both CFE and Analyzer,
 # while other categories can be tailored more specifically.
 
-current-version: '2.10.0'
+current-version: '2.11.0'
 
 features:
   non-nullable: