Changelog
Release notes and version history for Letta Code
All notable changes to Letta Code are documented here.
0.11.1
Section titled “0.11.1”- Added system prompt and memory block configuration for headless mode
- Added
--input-format stream-jsonflag for programmatic input handling - Improved parallel tool call approval UI
0.11.0
Section titled “0.11.0”- Added inline dialogs for improved user experience
- Improved token counter display
- Fixed server-side tools incorrectly showing as interrupted
0.10.5
Section titled “0.10.5”- Fixed Windows installation issues
- Fixed keyboard shortcuts for Ctrl+C, Ctrl+V, and Shift+Enter
0.10.4
Section titled “0.10.4”- Fixed iTerm2 keybindings
- Fixed ESC and CTRL-C handling across all dialogs
0.10.3
Section titled “0.10.3”- Added desktop notifications when UI needs user attention
- Added read-only shell commands support in plan mode
0.10.2
Section titled “0.10.2”- Added Ctrl+V support for clipboard image paste in all terminals
- Fixed keybindings
- Fixed model name display in welcome screen
0.10.1
Section titled “0.10.1”- Added Shift+Enter multi-line input support
0.10.0
Section titled “0.10.0”- Added visual diffs for Edit/Write tool returns
- Added automatic retry for transient LLM API errors
- Added custom slash commands support (
/commands) - Added scrolling and manual ordering to command autocomplete
- Added toggle to show all agents in
/agentsview - Added per-resource queues for parallel tool execution
- Fixed plan mode on non-default toolsets
- Fixed CLI crash when browser auto-open fails in WSL
- Added GLM-4.7 model support
- Added
/newcommand for creating new agents - Added
/feedbackcommand improvements - Added memory reminders to improve memory usage
- Renamed
/resumeto/agents(with backwards-compatible alias) - Fixed plan mode path resolution on Windows
- Added support for bundled skills and multi-source skill discovery
- Increased loaded_skills block limit to 100k characters
- Added support for Claude Pro and Max plans
- Added optional telemetry
- Added
--systemflag for existing agents - Fixed Windows-specific issues
- Added
/helpcommand with interactive dialog - Added
/mcpcommand for MCP server management - Added
/compactcommand for message compaction - Added text search for all models
- Improved memory tool visibility with colored name and diff output
- Added BYOK (Bring Your Own Key) support - use your own API keys
- Added
/usagecommand to check usage and credits - Added
--infoflag to show project and agent info - Added naming dialog when pinning agents
- Added
/memorycommand to view agent memory blocks - Added ‘add-model’ skill for adding new LLM models
- Added Gemini 3 Flash model support
- Added feedback UI
- Added support for relative paths in all tools
- Added tab completion for slash commands
- Added Kimi K2 Thinking model
- Added personalized thinking prompts with agent name
- Added goodbye message on exit
- Renamed
/bashesto/bg
- Added stateless subagents via Task tool
- Added Kimi K2 Thinking model support
- Improved subagents UI
- Added autocomplete for slash commands
- Faster startup with cached tool initialization
- Added
exitandquitas aliases for/exit
- Added profile-based persistence with startup selector
- Added
/profilecommand for managing profiles - Added simplified welcome screen design
- Added double Ctrl+C to exit from approval screen
- Added paginated agent list in
/resume - Added
/descriptioncommand to update agent description - Added message search
- Added
/resumecommand with improved agent selector UI - Added
LETTA_DEBUGenvironment variable for debug logging - Added agent description support
- Added GPT-5.2 support
- Added Gemini 3 (Vertex) support
- Added startup status messages showing agent info
- Added
/initcommand for initializing memory blocks - Added system prompt swapping
- Changed default naming to PascalCase
- Added
/downloadcommand to export agent file locally - Added Skills omni-tool
- Added Claude Opus 4.5 support
- Added toolset switching UI
- Added
--toolsetflag - Added Gemini tools support
- Added model-based toolset switching
- Added eager cancel functionality
- Added sleeptime memory management
- Added
--sleeptimeCLI flag - Added GPT-5.1 models support
- Added Gemini-3 models support
- Added
--fresh-blocksflag for isolation - Added
/swapcommand for model switching
- Added
/linkand/unlinkcommands for managing agent tools - Added Skills support
- Added parallel tool calling
- Added multi-device sign in support
- Added agent renaming capability
0.1.16
Section titled “0.1.16”- Added Sonnet 4.5 with 180k context window
0.1.15
Section titled “0.1.15”- Added multiline input support
- Added
--newflag for creating new memory blocks - Added agent URL display in commands
0.1.11
Section titled “0.1.11”- Added Claude Haiku 4.5 to model selector
- Added project-level agent persistence with auto-resume
- Added API key caching
- Added
--modelflag - Added GLM-4.6 support
- Added autocomplete for commands
- Added up/down for history navigation
- Added
fetch_webto default tool list
0.1.10
Section titled “0.1.10”- Added
stream-jsonoutput format
- Added pretty preview for file listings in approval dialog
- Added
LETTA_BASE_URLenvironment variable support
- Added usage tracking
- Added ESC to cancel operations
- Added Ctrl-C exit with agent state dump
- Initial release of Letta Code, the memory-first coding agent