nanocoder v1.20.0

What's Changed

Happy New Year! We all hope you had a great holidays and are feeling refreshed ready for 2026 🌟

• Added Catpuccin themes (Latte, Frappe, Macchiato, Mocha) with gradient color support. Thanks to @Avtrkrb.

• Added VS Code context menu integration - you can now right-click selected code and ask Nanocoder about it directly.

• Added comprehensive testing achieving 90%+ code coverage across components, hooks, tools, and utilities. Tests now include unit and integration coverage for critical paths.

• Added automated PR checks workflow with format, type, lint, and test validation. Pull requests now get automatic quality checks. Thanks to @Avtrkrb.

• Added LSP support for Deno, GraphQL, Docker/Docker Compose, and Markdown language servers with automatic project detection. Thanks to @yashksaini-coder.

• Added auto-fetch models feature in setup wizard - providers can now automatically fetch available models during configuration. Thanks to @JimStenstrom.

• Added git workflow integration tools including smart commit message generation, PR template creation, branch naming suggestions, and enhanced status reporting. Thanks to @JimStenstrom.

• Added file content caching to reduce tool confirmation delays and improve performance. Thanks to @JimStenstrom.

• Added path boundary validation to file manipulation tools to prevent directory traversal attacks.

• Added granular debug logging with structured pino logger throughout catch blocks for better error tracking. Thanks to @JimStenstrom and @abhisek1221.

• Added devcontainer support for streamlined development environments. Thanks to @Avtrkrb.

• Added stylized title boxes with powerline-style shapes and real-time preview in custom commands. Thanks to @Avtrkrb.

• Added real-time bash output progress with live updates during command execution.

• Added inline word-level highlighting to string_replace diff display for clearer change visualization.

• Improved code exploration tools with better tool calling prompts and descriptions and new list_directories tool. Thanks to @DenizOkcu.

• Centralized token calculation in tools with consistent usage display in formatters. Thanks to @DenizOkcu.

• Added AI SDK error types for better tool call error handling. Thanks to @DenizOkcu.

• Centralized ignored file patterns usage throughout Nanocoder for consistency. Thanks to @DenizOkcu.

• Refactored App component into focused modules (useAppState, useAppInitialization, useChatHandler, useToolHandler, useModeHandlers) for better maintainability.

• Refactored message components to unify structure and fix memoization inconsistency. Thanks to @abhisek1221.

• Refactored handleMessageSubmission into focused handler functions for better code organization. Thanks to @JimStenstrom.

• Refactored health-monitor, log-query, and AISDKClient into smaller focused modules.

• Renamed multiple files to kebab-case for consistency (AISDKClient.ts → ai-sdk-client.ts, appUtils.ts → app-util.ts, conversationState.ts → conversation-state.ts). Thanks to @JimStenstrom.

• Replaced sync fs operations with async readFile for better performance. Thanks to @namar0x0309.

• Improved tool formatter indentation for better readability.

• Extracted magic numbers to named constants for better code clarity. Thanks to @JimStenstrom.

• Enhanced validateRestorePath to check directory writability. Thanks to @yashksaini-coder.

• Fix: Resolved "Interrupted by user" error appearing on empty model responses.

• Fix: Command completion now prioritizes prefix matches over suffix matches for more intuitive autocomplete.

• Fix: Resolved duplicate React keys issue by using useRef for component key counter. Thanks to @JimStenstrom.

• Fix: Development mode context synchronization prevents autoaccept race conditions. Thanks to @JimStenstrom.

• Fix: Bounded completedActions array to prevent memory growth during long sessions. Thanks to @JimStenstrom.

• Fix: User input cycling now works correctly.

• Fix: Slash + Tab now shows all available commands instead of subset.

• Fix: Command injection vulnerabilities in shell commands resolved.

• Fix: Large paste truncation in slow terminals resolved. Thanks to @Alvaro842DEV.

• Fix: find_files tool now correctly recognizes all pattern types.

• Fix: Tool over-fetching in find and search tools reduced for better performance. Thanks to @pulkitgarg04.

• Fix: Prompt history handling improved with better state management.

• Fix: Paragraphs now render correctly in user messages.

• Fix: Added helpful error messages for missing MCP server commands. Thanks to @JimStenstrom.

• Fix: Size limits added to unbounded caches to prevent memory issues.

• Fix: Resolved several security scanning alerts for string escaping and encoding. Thanks to @Avtrkrb.

• Fix: Switched to crypto.randomUUID and crypto.randomBytes for secure ID generation. Thanks to @JimStenstrom and @abhisek1221.

• Fix: Broken pino logging documentation link in README.

• Fix: Husky pre-commit hook configuration improved. Thanks to @Avtrkrb.

• Fix: Silent configuration issues resolved. Thanks to @sanjeev55999999.

• Fix: Added debug logging to empty catch blocks in LSP modules to improve error tracking and debugging. Thanks to @JimStenstrom.

• Fix: Prevented process hang when exiting security disclaimer for better user experience. Thanks to @JimStenstrom.

• Fix: Handled line wrap in read-file metadata test to ensure proper test reliability. Thanks to @JimStenstrom.

• Fix: Use cmd.exe on Windows for command spawning to resolve cross-platform shell issues.

• Fix: LSP diagnostics tool now properly handles non-existent files.

• Fix: /clear command UI display restored.

• Fix: Bun runtime detection added to LoggerProvider. Thanks to @JimStenstrom.

• Fix: Resolved race conditions in singleton patterns and improved VS Code integration.

• Fix: LoggerProvider async loading completion issues resolved.

• Fix: Cleanup timeout leak in LSP client.

• Fix: Duplicate SIGINT handler issues resolved.

• Fix: High severity qs vulnerability patched via pnpm override. Thanks to @Pahari47.

• Fix: Removed line numbers from tagging files and read_file tool as it confused models when pattern matching content changes.

If there are any problems, feedback or thoughts please drop an issue or message us through Discord! Thank you for using Nanocoder. 🙌

Installation

npm install -g @nanocollective/nanocoder

Usage

nanocoder

Full Changelog: v1.19.2...v1.20.0