3.17.0-0.1.pre Developer Guide

Flutter 3.17 beta focuses on stability and memory management with comprehensive leak tracking across the framework, extensive Material 3 design updates, and performance optimizations for Impeller rendering. The release introduces new Material components, improved keyboard and focus handling, and expands platform support to Android 14 and Windows Arm64 while deprecating RawKeyEvent in favor of KeyEvent.

Highlights

• Extensive memory leak fixes across Material, Cupertino, and rendering components with leak tracking instrumentation
• Material 3 test updates and improvements for dialogs, buttons, data tables, and color schemes
• New OverlayPortal-based menu system replacing previous implementation for better semantics
• Added ProcessTextService, Card.filled/Card.outlined factory methods, and FilterChip delete button support
• Performance improvements including GPU frame timings for Impeller and coverage collection optimization
• Enhanced keyboard handling with isLogicalKeyPressed API and improved focus traversal behavior
• Android 14 support and Windows Arm64 platform expansion with new benchmarks and plugin tests