• OpenRouter OAuth integration:

  • Offer to OAuth against OpenRouter if no model and keys are provided.
  • Select OpenRouter default model based on free/paid tier status if OPENROUTER_API_KEY is set and no model is specified.

• Prioritize gemini/gemini-2.5-pro-exp-03-25 if GEMINI_API_KEY is set, and vertex_ai/gemini-2.5-pro-exp-03-25 if VERTEXAI_PROJECT is set, when no model is specified.

• Validate user-configured color settings on startup and warn/disable invalid ones.

• Warn at startup if --stream and --cache-prompts are used together, as cost estimates may be inaccurate.

• 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: https://aider.chat/HISTORY.html