Aider v0.80.0: OpenRouter OAuth & Gemini Defaults

TL;DR

• OpenRouter OAuth integration — no API keys needed to get started
• Auto-select Gemini 2.5 Pro or OpenRouter defaults based on your credentials
• New Scala repomap support and external editor keybinding (Ctrl-X Ctrl-E)
• Several bug fixes for git operations and file handling

New

• OpenRouter OAuth — Offer OAuth login if no model and API keys are provided, with automatic tier-based model selection
• Gemini 2.5 Pro prioritization — Auto-select gemini/gemini-2.5-pro-exp-03-25 or vertex_ai/gemini-2.5-pro-exp-03-25 when available and no model is specified
• External editor keybinding — Press Ctrl-X Ctrl-E to edit input buffer in your preferred editor
• Scala repomap support — Improved code context for Scala projects
• DeepSeek Chat v3 model — Added openrouter/deepseek-chat-v3-0324:free
• Repomap ranking boost — Files matching identifiers mentioned in chat now rank higher in context
• Color validation — Startup warnings for invalid terminal color settings
• Markdown heading alignment — Left-align headings in terminal output
• Model-aware edit format — Auto-update edit format when switching models with /model

Fixed

• Auto-testing in /run — Bug preventing test execution now resolved
• Git tree traversal — Fixed UnboundLocalError during git operations
• Git not installed — Handle GitCommandNotFound error gracefully
• Deleted working directory — Handle FileNotFoundError if cwd is removed while running
• Shell metacharacters in paths — Fixed linting errors for special characters in filepaths
• Completion menu styling — Fixed current item color in completion menu
• Web scraping timeout — Changed from error to warning, allowing partial content to continue
• Stream + cache warning — Warn at startup if --stream and --cache-prompts are used together

Update: pip install --upgrade aider-ai

Source: Aider