Aider

New Features & Enhancements

• Added --add-gitignore-files flag to enable adding files listed in .gitignore to Aider's editing scope, by omarcinkonis.
• Co-authored-by attribution is now enabled by default for commit messages.
• Enhanced commit message generation to use system prompt prefixes, by Luke Reeves.
• Added --commit-language option to specify the language for commit messages, by Kyosuke Takayama.
• Skip expensive file tracking operations when --skip-sanity-check-repo is enabled for better performance, by Makar Ivashko.
• Optimized chat history summarization performance, by jayeshthk.
• Added custom PostHog analytics configuration options with --analytics-posthog-host and --analytics-posthog-project-api-key flags, by Vasil Markoukin.

Repository Map

• Added MATLAB language support for repository maps, by Matthew Tofano.
• Added Clojure language support for repository maps, by Garrett Hopper.
• Improved kebab-case identifier recognition in repository maps for better code analysis.

Fixes & Small Improvements

• Improved GitHub Copilot token handling with better validation and error messages, by Vincent Taverna and Sebastian Estrella.
• Improved inline code rendering in Rich markdown output, by Vamsi Talupula.
• Fixed Vertex AI model name prefixes in settings, by Wietse Venema.
• Improved /read-only command to resolve literal paths correctly, by Matteo Landi.
• Fixed encoding issues in git diff output and LLM history logging.
• Fixed search block regex to accept optional closing tags when working with HTML content, by Mathis Beer.
• Auto-create parent directories for chat history files to prevent startup errors, by contributor.
• Ensure pip is available before package installation.

• Aider wrote 21% of the code in this release.

Core functionality improvements

• Fixed an issue where files explicitly added via the command line were not correctly ignored if listed in .gitignore.
• Improved automatic commit messages by providing more context during their generation, by wangboxue.
• Fixed OpenRouter token cost calculation for improved accuracy.

Quality of life improvements

• Improved OpenRouter model metadata handling by introducing a local cache, increasing reliability and performance.
• Added shell tab completion for file path arguments (by saviour) and for --edit-format/--editor-edit-format options.
• The /settings command now displays detailed metadata for active main, editor, and weak models.
• Improved user language detection by correctly normalizing hyphenated language codes (e.g., en-US to en) and enhancing the validation of locale results.
• Prevented aider from instructing the LLM to reply in 'C' or 'POSIX' when these are detected as the system locale.
• Displayed a spinner with the model name when generating commit messages.
• Bumped configargparse to 1.7.1 as 1.7 was pulled.

• Commit message prompt specifies the user's language.
• Updated the default weak model for Gemini 2.5 Pro models to gemini/gemini-2.5-flash-preview-04-17.
• Corrected gemini-2.5-pro-exp-03-25 model settings to reflect its lack of support for thinking_budget.
• Ensured model-specific system prompt prefixes are placed on a new line before the main system prompt.
• Added tracking of total tokens sent and received, now included in benchmark statistics.
• Automatically fetch model parameters (context window, pricing) for OpenRouter models directly from their website, by Stefan Hladnik.
• Enabled support for thinking_tokens and reasoning_effort parameters for OpenRouter models.
• Improved cost calculation using litellm.completion_cost where available.
• Added model settings for openrouter/google/gemini-2.5-pro-preview-03-25.
• Added --disable-playwright flag to prevent Playwright installation prompts and usage, by Andrew Grigorev.
• The aider scrape command-line tool will now use Playwright for web scraping if it is available, by Jon Keys.
• Fixed linter command execution on Windows by adopting oslex for argument quoting, by Titusz Pan.
• Improved cross-platform display of shell commands by using oslex for robust argument quoting, by Titusz Pan.
• Improved /ask mode to instruct the LLM to elide unchanging code in its responses.
• Ensured web scraping in the GUI also respects Playwright availability and the --disable-playwright flag.
• Improved display of filenames in the prompt header using rich Text formatting.
• Enabled reasoning_effort for Gemini 2.5 Flash models.
• Added a --shell-completions argument to generate shell completion scripts (e.g., for bash, zsh).
• Explicit --attribute-author or --attribute-committer flags now override the default behavior when --attribute-co-authored-by is used, allowing finer control over commit attribution, by Andrew Grigorev.
• Fixed an issue where read-only status of files might not be preserved correctly by some commands (e.g. /drop after adding a read-only file).
• The aider-args utility (or python -m aider.args) now defaults to printing a sample YAML configuration if no arguments are provided.
• Displayed token count progress and the name of the file or identifier being processed during repo map updates.
• Extended the waiting spinner to also show for non-streaming responses and further enhanced its animation with console width clipping, cursor hiding, and a more continuous appearance.
• Dropped support for Python 3.9.
• Aider wrote 55% of the code in this release.

Full release notes: aider.chat/HISTORY.html

• Add alias "grok3" for xai/grok-3-beta.
• Add alias "optimus" for openrouter/openrouter/optimus-alpha.
• Fix URL extraction from error messages.
• Allow adding files by full path even if a file with the same basename is already in the chat.
• Fix quoting of values containing '#' in the sample aider.conf.yml.
• Add support for Fireworks AI model 'deepseek-v3-0324', by Felix Lisczyk.

• Aider wrote 92% of the code in this release.

• Improve error message for OpenRouter API connection issues to mention potential rate limiting or upstream provider issues.
• Configure weak models (gemini/gemini-2.0-flash and openrouter/google/gemini-2.0-flash-exp:free) for Gemini 2.5 Pro models.
• Add model metadata for openrouter/google/gemini-2.0-flash-exp:free.
• Updated deps for yanked fsspec and aiohttp packages #3699
• Removed redundant dependency check during OpenRouter OAuth flow, by Claudia Pellegrino.

• Aider wrote 86% of the code in this release.

aider.chat/HISTORY.html

• Boost repomap ranking for files whose path components match identifiers mentioned in the chat.
• Change web scraping timeout from an error to a warning, allowing scraping to continue with potentially incomplete content.
• Left-align markdown headings in the terminal output, by Peter Schilling.
• Update edit format to the new model's default when switching models with /model, if the user was using the old model's default format.
• Add the openrouter/deepseek-chat-v3-0324:free model.
• Add Ctrl-X Ctrl-E keybinding to edit the current input buffer in an external editor, by Matteo Landi.
• Fix linting errors for filepaths containing shell metacharacters, by Mir Adnan ALI.
• Add repomap support for the Scala language, by Vasil Markoukin.
• Fixed bug in /run that was preventing auto-testing.
• Fix bug preventing UnboundLocalError during git tree traversal.
• Handle GitCommandNotFound error if git is not installed or not in PATH.
• Handle FileNotFoundError if the current working directory is deleted while aider is running.
• Fix completion menu current item color styling, by Andrey Ivanov.

• Aider wrote 87% of the code in this release.

Full change log: aider.chat/HISTORY.html

• Added --git-commit-verify flag (default: False) to control whether git commit hooks are bypassed.
• Fixed autocompletion for /ask, /code, and /architect commands, by shladnik.
• Added vi-like behavior when pressing enter in multiline-mode while in vi normal/navigation-mode, by Marco Mayer.
• Added AWS_PROFILE support for Bedrock models, allowing use of AWS profiles instead of explicit credentials, by lentil32.
• Enhanced --aiderignore argument to resolve both absolute and relative paths, by mopemope.
• Improved platform information handling to gracefully handle retrieval errors.
• Bumped dependencies to pickup litellm fix for Ollama.
• Added support for openrouter/google/gemma-3-27b-it model.
• Updated exclude patterns for help documentation.

• Aider wrote 92% of the code in this release.

Full release notes: aider.chat/HISTORY.html

• Added notifications when LLM responses are ready with --notifications flag.
• Specify desktop notification command with --notifications-command.

• Added/improved support for many models/providers:
• Added support for QWQ 32B.
• Support for DeepSeek V3 free on OpenRouter: --model openrouter/deepseek/deepseek-chat:free.
• Added support for Claude 3.7 Sonnet models on OpenRouter, Bedrock and Vertex AI.
• Updated default model to Claude 3.7 Sonnet on OpenRouter.
• Added support for GPT-4.5-preview model.
• Added support for Claude 3.7 Sonnet:beta on OpenRouter.
• Added support for openrouter/anthropic/claude-3.7-sonnet
• Fixed weak_model_name patterns to match main model name patterns for some models.

• Switch to tree-sitter-language-pack for tree sitter support.
• Improved error handling for EOF (Ctrl+D) in user input prompts.
• Added helper function to ensure hex color values have a # prefix.
• Fixed handling of Git errors when reading staged files.
• Improved SSL verification control for model information requests.
• Improved empty LLM response handling with clearer warning messages.
• Fixed Git identity retrieval to respect global configuration, by Akira Komamura.
• Offer to install dependencies for Bedrock and Vertex AI models.
• Deprecated model shortcut args (like --4o, --opus) in favor of the --model flag.

• Aider wrote 85% of the code in this release.

aider.chat/HISTORY.html

• Bugfix so that /model now correctly reports that the weak model is not changed.
• Bugfix so that multi-line mode persists through ^C at confirmation prompts.
• Watch files now fully ignores top-level directories named in ignore files, to reduce the chance of hitting OS watch limits. Helpful to ignore giant subtrees like node_modules.
• Fast startup with more providers and when model metadata provided in local files.
• Improved .gitignore handling:
• Honor ignores already in effect regardless of how they've been configured.
• Check for .env only when the file exists.
• Yes/No prompts now accept All/Skip as alias for Y/N even when not processing a group of confirmations.
• Aider wrote 77% of the code in this release.

aider.chat/HISTORY.html

• Added support for custom voice format and input device settings.
• Disabled Streamlit email prompt, by apaz-cli.
• Fixed lint command handling of nested spaced strings, by Aaron Weisberg.
• Added token count feedback when adding command output to chat.
• Improved error handling for large audio files with automatic format conversion.
• Improved handling of git repo index errors, by Krazer.
• Improved unicode handling in console output with ASCII fallback.
• Added AssertionError to git error handling.
• Fixed file export path in voice format conversion.
• Added AttributeError to git error handling.
• Improved markdown rendering performance with adaptive delay based on render time.
• Fixed typo in model metadata variable name.
• Aider wrote 60% of the code in this release.

aider.chat/HISTORY.html

• New `--multiline` flag and `/multiline-mode` command makes ENTER a soft newline and META-ENTER send the message, by @miradnanali.
• /copy-context <instructions> now takes optional "instructions" when copying code context to the clipboard.
• Improved clipboard error handling with helpful requirements install info.
• Ask 5% of users if they want to opt-in to analytics.
• /voice now lets you edit the transcribed text before sending.
• Disabled auto-complete in Y/N prompts.
• Aider wrote 68% of the code in this release.

github.com/user-attachments/assets/528b6868-f6be-426c-a736-dbe1a208435d

• Bugfix so watch files works with files that don't have tree-sitter support.
• Bugfix so o1 models can be used as weak model.
• Updated shell command prompt.
• Added docstrings for all Coders.
• Reorganized command line arguments with improved help messages and grouping.
• Use the exact sys.python for self-upgrades.
• Added experimental Gemini models.
• Aider wrote 71% of the code in this release.

github.com/user-attachments/assets/a8dca5f6-a1f8-4282-9cbd-e8219f4a23b6

• Spinner now falls back to ASCII art if fancy symbols throw unicode errors.
• --read now expands ~ home dirs.
• Enabled exception capture in analytics.
• Aider wrote 61% of the code in this release.

github.com/user-attachments/assets/bea76d8b-5c31-4913-9536-97b7e6c632b5

• Bugfix when scraping URLs found in chat messages.
• Better handling of __version__ import errors.
• Improved /drop command to support substring matching for non-glob patterns.
• Bugfix to --alias.
• Aider wrote 82% of the code in this release.

github.com/user-attachments/assets/4d9b5187-45e5-47c2-a8ff-1e00542c8b06

• /editor returns and prefill the file content into the prompt, so you can use /editor to compose messages that start with /commands, etc.
• Enhanced error handling for analytics.
• Improved handling of UnknownEditFormat exceptions with helpful documentation links.
• Bumped dependencies to pick up grep-ast 0.4.0 for Dart language support.
• Aider wrote 81% of the code in this release.

• Improved model settings configuration with support for global extra_params for litellm.completion().
• Architect mode now asks to add files suggested by the LLM.
• Fixed bug in fuzzy model name matching.
• Added Timeout exception to handle API provider timeouts.
• Added --show-release-notes to control release notes display on first run of new version.
• Save empty dict to cache file on model metadata download failure, to delay retry.
• Improved error handling and code formatting.
• Fixed bug in fuzzy model name matching when litellm provider info is missing.
• Modified model metadata file loading to allow override of resource file.
• Allow recursive loading of dirs using --read.
• Updated dependency versions to pick up litellm fix for ollama models.
• Added exponential backoff retry when writing files to handle editor file locks.
• Updated Qwen 2.5 Coder 32B model configuration.
• Fixed bug in git ignored file handling.
• Improved error handling for git operations.
• Aider wrote 74% of the code in this release.

• New /copy command to copy the last LLM response to the clipboard.
• Renamed /clipboard to /paste.
• Will now follow HTTP redirects when scraping urls.
• New --voice-format switch to send voice audio as wav/mp3/webm, by @mbailey.
• ModelSettings takes extra_params dict to specify any extras to pass to litellm.completion().
• Support for cursor shapes when in vim mode.
• Numerous bug fixes.
• Aider wrote 53% of the code in this release.