--- title: "Release history" description: "Aider writes most of its own code, usually about 70-80% of the new code in each release. These [statistics are based on the git commit history](/docs/faq.html#how-are-the-aider-wrote-xx-of-code-stats-computed) of the aider repo." type: skill canonical_url: https://claudary.paisolsolutions.com/skills/history-1 source: "Claudary" difficulty: intermediate author: "Claude Code Knowledge Pack" date: 2026-07-10T11:24:01.021Z license: CC-BY-4.0 attribution: "Release history — Claudary (https://claudary.paisolsolutions.com/skills/history-1)" --- # Release history Aider writes most of its own code, usually about 70-80% of the new code in each release. These [statistics are based on the git commit history](/docs/faq.html#how-are-the-aider-wrote-xx-of-code-stats-computed) of the aider repo. ## Overview --- title: Release history nav_order: 925 highlight_image: /assets/blame.jpg description: Release notes and stats on aider writing its own code. --- # Release history Aider writes most of its own code, usually about 70-80% of the new code in each release. These [statistics are based on the git commit history](/docs/faq.html#how-are-the-aider-wrote-xx-of-code-stats-computed) of the aider repo. {% include blame.md %} ## Release notes ### main branch - Added support for Claude 4.5/4.6 models and updated model aliases (sonnet/haiku/opus). - Expanded Gemini model support with 2.5 Flash and Flash‑Lite, added Gemini 3 preview models, and updated the flash alias to gemini/gemini-flash-latest. - Added DeepSeek Reasoner model and updated DeepSeek model metadata with costs and prompt caching. - Added BadGatewayError and ImageFetchError to handled exceptions. - Fixed exception mapping to only include real exception classes, avoiding runtime errors, by Claudia Pellegrino. - Repo map now tags Fortran, Haskell, Julia, and Zig and is compatible with newer tree-sitter Python APIs, by Varchas Gopalaswamy, Tim Put, and Mubashir Osmani. - Removed deprecated google-generativeai dependency to eliminate import warnings, by Mark McDonald. - Added settings for new OpenAI GPT‑5.1/5.2 and GPT‑5‑pro models across OpenAI, Azure, and OpenRouter, including chat and codex variants. - Changed the gemini alias to point to gemini/gemini-3-pro-preview. - Added support for OpenAI o1-pro model. - Added support for GPT‑5.3/5.4 model variants across OpenAI, Azure, and OpenRouter, plus GPT‑4.1‑nano. - Added `/ok` as a shortcut for asking aider to go ahead with the proposed changes, with optional extra instructions. - When auto-commits are disabled, aider can add files outside the git repo and promote read-only files to editable, by Chris McCormick. - Fixed crashes caused by circular symlink loops when resolving paths, by coder_3. - Aider wrote 62% of the code in this release. ### Aider v0.86.1 - Added a reasoning_effort setting for GPT-5 models and disabled temperature by default for the GPT-5 family. ### Aider v0.86.0 - Expanded GPT-5 model support across family variants and providers (OpenAI, Azure, OpenRouter), including dated and chat/mini/nano variants. - Aider wrote 88% of the code in this release. ### Aider v0.85.5 - Enforced diff edit format for GPT-5 models. - Added support for the reasoning_effort setting for GPT-5 models. - Fixed model detection to correctly apply GPT-5 settings to versioned names (gpt-5 and gpt-5-2025-08-07). ### Aider v0.85.4 - Added support for openai/gpt-5 - Fixed analytics to support the latest PostHog SDK event-capture API. - Disabled temperature when using GPT-5 models for more deterministic outputs. ### Aider v0.85.3 - Bumped dependencies to pick up latest litellm==1.75.0. ### Aider v0.85.2 - Added support for Grok-4 via `xai/grok-4` and `openrouter/x-ai/grok-4` model names. - Added support for `gemini/gemini-2.5-flash-lite-preview-06-17` model, by Tamir Zahavi-Brunner. - `/clear` now prints “All chat history cleared.” so you know it worked, by Zexin Yuan. - `/undo` output now shows only the first line of each commit message, making it easier to read. - Fixed an issue where new settings for an existing model didn't replace the old ones, by Andrew Grigorev. - Added support for `openrouter/moonshotai/kimi-k2` model, by Jack Harrington. ### Aider v0.85.1 - Display model announcements with no-arg `/model` command. ### Aider v0.85.0 - Support for Responses API models like o1-pro, o3-pro. - Updated pricing for o3. - 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`. - Added `--add-gitignore-files` flag to enable adding files listed in .gitignore to Aider's editing scope, by omarcinkonis. - Added `--commit-language` option to specify the language for commit messages, by Kyosuke Takayama. - Enhanced thinking tokens support: can now be disabled by setting to 0, and improved help text with examples. - Added MATLAB language support for repository maps, by Matthew Tofano. - Added support for OpenAI o3-pro model across multiple providers. - Improved GitHub Copilot token handling with better validation and error messages, by Vincent Taverna and Sebastian Estrella. - Fixed encoding issues in git diff output and LLM history logging. - Enhanced commit message generation to use system prompt prefixes, by Luke Reeves. - 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. - Skip expensive file tracking operations when `--skip-sanity-check-repo` is enabled for better performance, by Makar Ivashko. - Ensure pip is available before package installation. - Auto-create parent directories for chat history files to prevent startup errors, by contributor. - Fixed search block regex to accept optional closing tags when working with HTML content, by Mathis Beer. - Co-authored-by attribution is now enabled by default for commit messages. - Added Clojure language support for repository maps, by Garrett Hopper. - Added custom PostHog analytics configuration options with `--analytics-posthog-host` and `--analytics-posthog-project-api-key` flags, by Vasil Markoukin. - Optimized chat history summarization performance, by jayeshthk. - Improved kebab-case identifier recognition in repository maps for better code analysis. - Increased max tokens for Deepseek models to 65536 for better performance. - Aider wrote 21% of the code in this release. ### Aider v0.84.0 - Added support for new Claude models including the Sonnet 4 and Opus 4 series (e.g., `claude-sonnet-4-20250514`, `claude-opus-4-20250514`) across various providers. The default `sonnet` and `opus` aliases were updated to these newer versions. - Added support for the `vertex_ai/gemini-2.5-flash-preview-05-20` model. - Fixed OpenRouter token cost calculation for improved accuracy. - Updated default OpenRouter models during onboarding to `deepseek/deepseek-r1:free` for the free tier and `anthropic/claude-sonnet-4` for paid tiers. - Automatically refresh GitHub Copilot tokens when used as OpenAI API keys, by Lih Chen. - Aider wrote 79% of the code in this release. ### Aider v0.83.2 - Bumped configargparse to 1.7.1 as 1.7 was pulled. - Added shell tab completion for file path arguments (by saviour) and for `--edit-format`/`--editor-edit-format` options. - Improved OpenRouter model metadata handling by introducing a local cache, increasing reliability and performance. - The `/settings` command now displays detailed metadata for active main, editor, and weak models. - 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. ### Aider v0.83.1 - 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. ### Aider v0.83.0 - Added support for `gemini-2.5-pro-preview-05-06` models. - Added support for `qwen3-235b` models. - Added repo-map support for OCaml and OCaml interface files, by Andrey Popp. - Added a spinner animation while waiting for the LLM to start streaming its response. - Updated the spinner animation to a Knight Rider style. - Introduced `--attribute-co-authored-by` option to add co-author trailer to commit messages, by Andrew Grigorev. - Updated Gemini model aliases (e.g., `gemini`, `gemini-2.5-pro`) to point to the `05-06` preview versions. - Marked Gemini 2.5 Pro preview models as `overeager` by default. - 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. ### Aider v0.82.3 - Add support for `gemini-2.5-flash-preview-04-17` models. - Improved robustness of edit block parsing when filenames start with backticks or fences. - Add new `udiff-simple` edit format, for Gemini 2.5 Pro. - Update default weak/editor models for Gemini 2.5 Pro models to use `gemini-2.5-flash-preview-04-17`. - Instruct models to reply in the user's detected system language. - Fix parsing of diffs for newly created files (`--- /dev/null`). - Add markdown syntax highlighting support when editing multi-line commit messages via `/commit`, by Kay Gosho. - Set Gemini 2.5 Pro models to use the `overeager` prompt setting by default. - Add common file types (`.svg`, `.pdf`) to the default list of ignored files for AI comment scanning (`--watch`). - Skip scanning files larger than 1MB for AI comments (`--watch`). ### Aider v0.82.2 - Fix editing shell files with diff-fenced, by zjy1412. - Improve robustness of patch application by allowing multiple update/delete actions for the same file within a single response. - Update prompts to instruct LLMs to consolidate all edits for a given file into a single block within the patch. ### Aider v0.82.1 - Added support for `o3` and `o4-mini` including provider-specific versions for OpenAI, OpenRouter, and Azure. - Added support for Azure specific `gpt-4.1` and `gpt-4.1-mini` models. - Disabled streaming for `o3` models since you need identity verification to stream. - Fixed handling of file paths in unified diffs, especially those generated by git. ### Aider v0.82.0 - Support for GPT 4.1, mini and nano. - Added new `patch` edit format for OpenAI's GPT-4.1 model. - Improved support for using architect mode with Gemini 2.5 Pro. - Added new `editor-diff`, `editor-whole`, and `editor-diff-fenced` edit formats. - Bugfix for automatically selecting the best edit format to use in architect mode. - Added support for `grok-3-fast-beta` and `grok-3-mini-fast-beta` models. - Aider wrote 92% of the code in this release. ### Aider v0.81.3 - Commit messages generated by aider are no longer forced to be entirely lowercase, by Peter Hadlaw. - Updated default settings for Grok models. ### Aider v0.81.2 - Add support for `xai/grok-3-beta`, `xai/grok-3-mini-beta`, `openrouter/x-ai/grok-3-beta`, `openrouter/x-ai/grok-3-mini-beta`, and `openrouter/openrouter/optimus-alpha` models. - 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. - Commit messages generated by aider are now lowercase, by Anton Ödman. ### Aider v0.81.1 - Added support for the `gemini/gemini-2.5-pro-preview-03-25` model. - Updated the `gemini` alias to point to `gemini/gemini-2.5-pro-preview-03-25`. - Added the `gemini-exp` alias for `gemini/gemini-2.5-pro-exp-03-25`. ### Aider v0.81.0 - Added support for the `openrouter/openrouter/quasar-alpha` model. - Run with `aider --model quasar` - Offer OpenRouter OAuth authentication if an OpenRouter model is specified but the API key is missing. - Prevent retrying API calls when the provider reports insufficient credits. - Improve URL detection to exclude trailing double quotes. - Aider wrote 86% of the code in this release. ### Aider v0.80.4 - Bumped deps to pickup litellm change to properly display the root cause of OpenRouter "choices" errors. ### Aider v0.80.3 - 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`. ### Aider v0.80.2 - Bumped deps. ### Aider v0.80.1 - Updated deps for yanked fsspec and aiohttp packages #3699 - Removed redundant dependency check --- Source: [Claudary](https://claudary.paisolsolutions.com/skills/history-1) · https://claudary.paisolsolutions.com