Bubble Tea: Go TUI framework
Go framework for terminal user interfaces based on The Elm Architecture with inline/fullscreen modes.
Learn more about Bubble Tea
Bubble Tea is a terminal user interface framework written in Go that implements The Elm Architecture pattern. Applications are built around a model-update-view cycle where the model represents application state, update handles incoming messages and state changes, and view renders the UI as strings. The framework includes a framerate-based renderer, mouse support, focus reporting, and other terminal-specific optimizations. It is commonly used for building interactive command-line tools, system utilities, and text-based applications.
Elm Architecture
Implements functional programming patterns with model-update-view architecture for predictable state management.
Framerate Renderer
Uses optimized rendering with framerate control to minimize terminal flickering and improve performance.
Message System
Handles terminal events through a type-safe message passing system for keyboard, mouse, and other I/O operations.
package main
import (
"fmt"
"os"
tea "github.com/charmbracelet/bubbletea"
)
type model struct {
choices []string // items on the to-do list
cursor int // which to-do list item our cursor is pointing at
selected map[int]struct{} // which to-do items are selected
}
func initialModel() model {
return model{
choices: []string{"Buy carrots", "Buy celery", "Buy kohlrabi"},
selected: make(map[int]struct{}),
}
}
func (m model) Init() tea.Cmd {
return nil // No initial I/O needed
}Synchronized output updates and enhanced terminal mode reporting
- –Add SupportsKeyDisambiguation to KeyboardEnhancementsMsg
- –Add synchronized updates option to renderer interface
- –Introduce ModeReportMsg for terminal mode reports
- –Query terminal for synchronized output support (mode 2026)
- –Renderer: use uv altscreen helpers
Module name change and message type improvements from aliases to structs
- –`github.com/charmbracelet/bubbletea/v2` - now moved to `charm.land/bubbletea/v2`
- –`CursorPositionMsg` - now a struct type
- –`KeyboardEnhancementsMsg` - now a struct type
- –`PasteMsg` - now a struct type
- –`CapabilityMsg` - now a struct type
Renderer fixes for keyboard enhancements and cursor management
- –Fix: renderer: avoid requesting keyboard enhancements on close
- –Fix: renderer: ensure we reset cursor style and color on close
- –Fix: renderer: only move cursor to bottom when we're in the main screen
- –Fix: renderer: sync buffer resize with frame rate
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