[stable] [initial] Flutter Release Version 3.50.0 #195830

Flutter Release

Candidate Branch: flutter-3.50-candidate.0
Tag: 3.50.0

📋 Release Checklist

Update release branch

• Merge outstanding cherry-picks ([CP-beta]Run 10 impeller iOS benchmarks as one devicelab task #196009, [CP-beta]Run the mac_unopt sub-builds as standalone builders #196058, [beta] Expose engineId on native plugin bindings and registrars on Android, iOS, and macOS #196145 — merged 371f77202a73e8dff57a8b3bff75bca55c090aee; [beta] Roll dwds to 27.2.1 #196035 deferred to 3.50.1)
• Update Dart version if necessary (GH Workflow) ([flutter-3.50-candidate.0] Update Flutter DEPS to Dart fa8c1270c374c1346931583a17c3b7f278d3822d #196051 — merged d2a63cb9783f474fbc5884eb24583a33ded461fe)
  • Dart Hash: fa8c1270c374c1346931583a17c3b7f278d3822d (3.14.0)
• Pin engine hash in engine.version if necessary(GH Workflow) ([flutter-3.50-candidate.0] Sync engine.version to 371f77202a73e8dff57a8b3bff75bca55c090aee #196215 — merged ab2912035e160d9cad6306df307576da6128ebdb)

Validate and publish release

• Run postsubmits and validate they are all passing on the Flutter Dashboard (454/454 non-flaky passing on ab2912035e160d9cad6306df307576da6128ebdb; https://flutter-dashboard.appspot.com/#/build?repo=flutter&branch=flutter-3.50-candidate.0&hashFilter=ab2912035e160d9cad6306df307576da6128ebdb)
• Push release with MPA
• Check for the new versions on the Flutter SDK Archive
• Announce the release on Discord
• Announce the release on Google internal channels
• Announce the release on flutter-announce mailing list