Agent Breaking Changes_

← Aider

Aider Aider v0.85.0

2025-06-27 · official notes

Summary

• Added support for new Gemini models including gemini-2.5-pro, gemini-2.5-flash, and gemini-2.5-pro-preview-06-05 with thinking tokens support.
• Updated model aliases: flash now points to gemini-2.5-flash and gemini now points to gemini-2.5-pro.
• Support for Responses API models like o1-pro, o3-pro.

Full notes

#### New Models
- Added support for new Gemini models including `gemini-2.5-pro`, `gemini-2.5-flash`, and `gemini-2.5-pro-preview-06-05` with thinking tokens support.
- Updated model aliases: `flash` now points to `gemini-2.5-flash` and `gemini` now points to `gemini-2.5-pro`.
- Support for Responses API models like o1-pro, o3-pro.
- Added support for OpenAI o3-pro model across multiple providers.
- Enhanced thinking tokens support: can now be disabled by setting to 0, and improved help text with examples.
- Increased max tokens for Deepseek models to 65536 for better performance.
- Updated pricing for o3.

#### 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.