Aider v0.68.0 release notes

What the release notes say

Aider works with LLM web chat UIs.
- New --copy-paste mode.
- New /copy-context command.
Set API keys and other environment variables for all providers from command line or yaml conf file.
- New --api-key provider=key setting.
- New --set-env VAR=value setting.
Added bash and zsh support to --watch-files.
Better error messages when missing dependencies for Gemini and Bedrock models.
Control-D now properly exits the program.
Don't count token costs when API provider returns a hard error.
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.