What's New in Flutter 3.35.0
A Look at the Latest Features and I’m Proud to Be Part of It
Flutter 3.35.0 has officially landed, bringing a host of improvements across web, desktop, accessibility, UI components, and tooling.
This release is special for me — my own contribution is included:
Fix text selection toolbar alignment for RTL languages
by @SalehTZ in #169854
This fix improves the user experience for right-to-left languages like Persian, Arabic and others by ensuring the text selection toolbar aligns correctly, making editing smoother and more intuitive for millions of users.
What’s New in Flutter 3.35.0
Web & Performance
- Stateful Hot Reload on Web is now enabled by default — no experimental flag needed.
- Wasm (WebAssembly) Dry Runs added to JS builds, warning about compatibility issues before deployment.
Accessibility
- SemanticsLabelBuilder for dynamic accessibility labels.
- SliverEnsureSemantics keeps off-screen slivers in the accessibility tree.
- Improved screen reader support for Android TalkBack, iOS VoiceOver, and custom painters.
- RTL improvements — including my contribution!
UI Enhancements
- DropdownMenuFormField (Material 3) for form-ready dropdowns.
- Scrollable NavigationRail and customizable NavigationDrawer headers/footers.
- Cupertino updates: new ExpansionTile, better iOS-style shapes, haptic feedback improvements.
Rendering & Framework
- Multiple Impeller rendering engine optimizations.
- More precise control over sliver paint order.
Platform Modernization
- Minimums: iOS 13, macOS 10.15, Android SDK 24.
- Native Assets Preview for easier C/C++/Rust integration.
- Windows/Linux: merged UI/platform threads, multi-window support, Linux software rendering.
- Web: minified Wasm builds, hot reload enabled by default.
Tooling
- Experimental Widget Previews.
- Wider IDE support (Android Studio Meerkat/Narwhal, CLion, GoLand, PyCharm, etc.).
- MCP Server in stable for AI-assisted workflows.
Breaking Changes
DropdownButtonFormField.value→initialValue.- Redesigned
Radiowidget. Formcan no longer be a sliver.
🔗 Further Reading
Here are the official announcements on X (formerly Twitter):
Coming in hot... it's Flutter 3.35 ⚡
— Flutter (@FlutterDev) August 14, 2025
We have updates to hot reload, a new Dart and Flutter MCP server, and more. See what's new → https://t.co/S1JBfnxKOo pic.twitter.com/TMFIUOtySf
Flutter 3.35 is made possible by YOU.
— Flutter (@FlutterDev) August 14, 2025
This release includes:
🩵 1108 commits
🩵 168 unique contributors
🩵 39 first-time contributors
As always, we're sending a big thank you to the Flutter community. We couldn't do it without you! pic.twitter.com/HyPcS8ansh
Resources
- Flutter 3.35.0 Release Notes
- What’s New in Flutter 3.35 — Medium
- My Contribution: Fix text selection toolbar alignment for RTL languages
I’m honored to contribute to a framework used by millions of developers worldwide. While this release contains one of my pull requests, I’m excited that the next one will include even more. Here’s to more open-source contributions and better experiences for all users, in all languages.