Index: sdk/lib/_internal/libraries.dart |
diff --git a/sdk/lib/_internal/libraries.dart b/sdk/lib/_internal/libraries.dart |
index de035308f826d32c410d8033d177d6155ba52342..7135991af4687497312b3bfb4e4568ac219deb11 100644 |
--- a/sdk/lib/_internal/libraries.dart |
+++ b/sdk/lib/_internal/libraries.dart |
@@ -75,7 +75,7 @@ const Map<String, LibraryInfo> LIBRARIES = const { |
"isolate": const LibraryInfo( |
"isolate/isolate.dart", |
- maturity: Maturity.UNSTABLE, |
+ maturity: Maturity.STABLE, |
dart2jsPatchPath: "_internal/lib/isolate_patch.dart"), |
"js": const LibraryInfo( |