Changelog

All notable changes to this project will be documented in this file.

The format is based on Keep a Changelog, and this project adheres to Semantic Versioning.

Unreleased

New Widgets
- PickList - Modal selection list for choosing items from a scrollable list
- FormBuilder - Structured form handling with validation and field management
- CommandPalette - VS Code-style fuzzy-search command discovery interface
- TreeView - Hierarchical data display with expand/collapse navigation
- SplitPane - Resizable multi-pane layouts with draggable dividers
- LogViewer - Real-time log display with filtering and scrolling
- StreamWidget - Backpressure-aware data streaming with GenStage integration
- ProcessMonitor - BEAM process introspection and monitoring
- SupervisionTreeViewer - OTP supervision hierarchy visualization
- ClusterDashboard - Distributed cluster node visualization and monitoring
- TextInput - Single-line and multi-line text input with cursor navigation
Backend Abstraction
- Backend behaviour for terminal abstraction
- Raw backend for full terminal control
- TTY backend for line-based terminals
- Test backend for unit testing
- Automatic backend selection based on terminal capabilities
- Character set selection (Unicode/ASCII) with graceful degradation
Rendering
- Overlay node support in NodeRenderer for absolute-positioned widgets (AlertDialog, Dialog, ContextMenu, Toast)
Documentation
- Advanced widgets user guide
- Updated widget examples with run.exs entry points

Initial release
Core Framework
- Elm Architecture implementation (use TermUI.Elm)
- Runtime with 60 FPS rendering loop
- Event system for keyboard and mouse input
- Command system for side effects
Rendering Engine
- ETS-based double buffering
- Differential rendering (only changed cells are updated)
- ANSI escape sequence batching
- Style system with colors and attributes
Layout System
- Constraint-based layout solver
- Flexbox-style alignment
- Stack layouts (vertical/horizontal)
Widgets
- Gauge (bar and arc styles with color zones)
- Sparkline (trend visualization)
- BarChart (horizontal/vertical)
- LineChart (Braille-based)
- Table (with selection and scrolling)
- Menu (hierarchical with submenus)
- Tabs (tabbed interface)
- Dialog (modal dialogs)
- Viewport (scrollable content)
- Canvas (custom drawing)
- Toast (notifications)
- ScrollBar
- ContextMenu
- AlertDialog
Terminal Support
- Raw mode activation
- Cross-platform compatibility (Linux, macOS, Windows 10+)
- Terminal capability detection
- Color degradation (true color → 256 → 16)
Developer Experience
- Development mode with hot reload
- Performance monitoring
- Testing framework
- Comprehensive documentation

User guides (overview, getting started, architecture, events, styling, layout, widgets)
Developer guides (architecture, runtime, rendering, events, buffers, terminal, creating widgets)
Widget examples with READMEs